SIST EN 13148:2011
(Main)Copper and copper alloys - Hot-dip tinned strip
Copper and copper alloys - Hot-dip tinned strip
This European Standard specifies:
the composition and tolerances on dimensions of strip produced by rolling in the thickness range from 0,10 mm up to and including 1,50 mm of copper and copper alloys to be tinned, with tin, a tin-lead alloy or other tin alloys;
the composition of material normally used for the melt;
the properties of strip before tinning;
the properties of hot-dip tinned strip;
the preferred thicknesses (mean values) and thickness ranges of coatings;
the edgewise curvature of hot-dip tinned strip;
the sampling procedure;
the methods of test to be used for verification of conformity to the requirements of this European
Standard;
the delivery conditions.
Kupfer und Kupferlegierungen - Feuerverzinnte Bänder
Diese Europäische Norm legt fest:
- die Zusammensetzung und Grenzabmaße von mit Zinn, einer Zinn Blei Legierung oder einer anderen Zinnlegierung zu verzinnenden Bänder, die durch walzen produziert wurden, mit einer Dicke von 0,10 mm bis 1,50 mm aus Kupfer und Kupferlegierungen;
- die Zusammensetzung der für die Schmelze üblicherweise zu verwendenden Werkstoffe;
- die Eigenschaften von Bändern vor dem Verzinnen;
- die Eigenschaften von feuerverzinnten Bändern;
- die bevorzugten Dicken (Mittelwerte) und Dickenbereiche von Überzügen;
- die Säbelförmigkeit von feuerverzinnten Bändern;
- den Ablauf der Probenentnahme;
- die Prüfverfahren zur Feststellung der Übereinstimmung mit den Anforderungen dieser Europäischen Norm;
- die Lieferbedingungen.
Cuivres et alliages de cuivre - Bandes étamées à chaud
La présente Norme européenne prescrit :
⎯ la composition et les tolérances des dimensions de la bande, dans une plage d’épaisseur de 0,10 mm
jusqu’à et y compris 1,50 mm, de cuivre et d'alliages de cuivre à étamer avec de l'étain, un alliage
étain-plomb ou d'autres alliages d'étain ;
⎯ la composition du matériau normalement utilisé pour la fusion ;
⎯ les propriétés de la bande avant étamage ;
⎯ les propriétés de la bande étamée à chaud ;
⎯ les épaisseurs recommandées (valeurs moyennes) et les plages d'épaisseurs pour les revêtements ;
⎯ la flèche latérale de la bande étamée à chaud ;
⎯ le mode opératoire d'échantillonnage ;
⎯ les méthodes d'essai à utiliser pour la vérification de la conformité aux exigences de la présente Norme
européenne ;
⎯ les conditions de livraison.
Baker in bakrove zlitine - Vroče pokositreni trakovi
Ta evropski standard določa:
sestavo in tolerance dimenzij trakov, proizvedenih z valjanjem v razponu debeline od 0,10 mm do vključno 1,50 mm bakra in bakrovih zlitin, ki se bodo pokositrile s kositrom, kositrovo-svinčeno zlitino ali drugimi kositrovimi zlitinami;
sestavo materiala, ki se po navadi uporablja za taljenje;
lastnosti trakov pred kositrenjem;
lastnosti vroče pokositrenih trakov;
prednostne debeline (povprečne vrednosti) in razpon debelin prevlek;
robno ukrivljenost vroče pokositrenih trakov;
postopek vzorčenja;
metode preskušanja, ki se uporabljajo za preverjanje skladnosti z zahtevami tega evropskega
standarda;
dobavne pogoje.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kupfer und Kupferlegierungen - Feuerverzinnte BänderCuivres et alliages de cuivre - Bandes étamées à chaudCopper and copper alloys - Hot-dip tinned strip77.150.30Bakreni izdelkiCopper productsICS:Ta slovenski standard je istoveten z:EN 13148:2010SIST EN 13148:2011en,fr,de01-maj-2011SIST EN 13148:2011SLOVENSKI
STANDARDSIST EN 13148:20041DGRPHãþD
SIST EN 13148:2011
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13148
September 2010 ICS 77.150.30 Supersedes EN 13148:2001English Version
Copper and copper alloys - Hot-dip tinned strip
Cuivres et alliages de cuivre - Bandes étamées à chaud
Kupfer und Kupferlegierungen - Feuerverzinnte Bänder This European Standard was approved by CEN on 21 August 2010.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13148:2010: ESIST EN 13148:2011
EN 13148:2010 (E) 2 Contents Page Foreword .4Introduction .51Scope .52Normative references .53Terms and definitions .74Designations .74.1Material of the strip to be tinned .74.2Material for the coating .74.3Material condition of the hot-dip tinned strip .84.4Product .85Ordering information . 106Requirements . 116.1Composition . 116.2Mechanical properties and grain size of the base material . 126.3Dimensions and tolerances . 126.4Edgewise curvature c . 126.5Properties of the coating . 137Sampling . 137.1General . 137.2Analysis of the base material . 137.3Tensile, hardness, grain size and technological tests . 148Test methods . 148.1Analysis of the base material . 148.2Tensile test of the base material . 148.3Hardness test of the base material . 148.4Estimation of average grain size of the base material . 148.5Edgewise curvature c . 148.6Solderability . 148.7Adhesion . 148.8Measurement of coating thickness . 158.9Retests . 158.10Rounding of results . 159Declaration of conformity and inspection documentation . 159.1Declaration of conformity . 159.2Inspection documentation . 1510Marking, packaging, labelling . 15Annex A (normative)
Testing of solderability of hot-dip tinned strip by means of vertical dipping test . 38Annex B (normative)
Measuring of coating thickness with X-ray spectrometric method according to EN ISO 3497 . 41Bibliography . 43SIST EN 13148:2011
EN 13148:2010 (E) 3 Tables Table 1 — Composition of copper . 16 Table 2 — Composition of copper alloys . 17 Table 3 — Composition of Sn and Sn60Pb . 19 Table 4 — Mechanical properties and grain size of strip before tinning or base material . 20 Table 5 — Preferred thickness (mean values) and thickness ranges of coatings . 36 Table 6 — Tolerance on thickness for strip before tinning . 36 Table 7 — Tolerances on width for hot-dip tinned strip . 37 Table 8 — Edgewise curvature c for hot-dip tinned strip . 37 Figures Figure 1 — Edgewise curvature c . 12 Figure A.1 — Acceptable . 40 Figure A.2 — Borderline sample, acceptable . 40 Figure A.3 — Borderline sample, unacceptable . 40 Figure A.4 — Unacceptable . 40 Figure A.5 — Unacceptable, no adequate coating . 40
SIST EN 13148:2011
EN 13148:2010 (E) 4 Foreword This document (EN 13148:2010) has been prepared by Technical Committee CEN/TC 133 “Copper and copper alloys”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2011, and conflicting national standards shall be withdrawn at the latest by March 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 13148:2001. Within its programme of work, Technical Committee CEN/TC 133 requested CEN/TC 133/WG 2 "Rolled flat products" to revise the following standard: EN 13148, Copper and copper alloys — Hot-dip tinned strip This is one of a series of European Standards for copper and copper alloy rolled flat products. Other products are, or will be, specified as follows: − EN 1172, Copper and copper alloys — Sheet and strip for building purposes; − EN 1652, Copper and copper alloys — Plate, sheet, strip and circles for general purposes; − EN 1653, Copper and copper alloys — Plate, sheet and circles for boilers, pressure vessels and hot water storage units; − EN 1654, Copper and copper alloys — Strip for springs and connectors; − EN 1758, Copper and copper alloys — Strip for lead frames; − EN 13599, Copper and copper alloys — Copper plate, sheet and strip for electrical purposes; − EN 14436, Copper and copper alloys — Electrolytically tinned strip. In comparison with EN 13148:2001, the following significant technical changes were made: a) Table 3: 1) composition of Sn, increasing of the upper limits: Cu from 0,030 % to 2,0 %, Pb from 0,03 % to 0,1 % and Zn from 0,0010 % to 0,7 %; 2) column “Material designation” and reference to “EN 610 and EN 29453” are deleted; b) Table 4: column 0,2 % proof strength, at the 1st line (R220), the value “(min. 140)” where corrected in “(max. 140)”. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 13148:2011
EN 13148:2010 (E) 5 Introduction Hot-dip tinned strip is manufactured by passing strip through a molten bath of tin, tin-lead alloy or other tin alloys. By this process a solid bond is created between the metallic coating and the strip by formation of a layer of an intermetallic phase and a diffusion zone. The base metal is hot-dip tinned to protect it against corrosion, to facilitate soldering operations, to improve insertion and withdrawal forces of connectors, to reduce contact resistance at electrical junctions and to avoid whisker growth on components. The properties of coatings can be modified by mechanical and/or thermal treatments. When the strip is emerging from the bath the thickness of the coating is adjusted by partially wiping off the molten film, either by stationary wiping devices or by a flat air jet. The thickness of the coating can be continously measured and regulated on both sides of the strip during or after the tinning process. Usually strips are tinned in larger widths and slit to narrower width specified by the customer. In this case, the final slit product has untinned edges. 1 Scope This European Standard specifies: the composition and tolerances on dimensions of strip produced by rolling in the thickness range from 0,10 mm up to and including 1,50 mm of copper and copper alloys to be tinned, with tin, a tin-lead alloy or other tin alloys; the composition of material normally used for the melt; the properties of strip before tinning; the properties of hot-dip tinned strip; the preferred thicknesses (mean values) and thickness ranges of coatings; the edgewise curvature of hot-dip tinned strip; the sampling procedure; the methods of test to be used for verification of conformity to the requirements of this European
Standard; the delivery conditions. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1655, Copper and copper alloys — Declarations of conformity EN 1976, Copper and copper alloys — Cast unwrought copper products SIST EN 13148:2011
EN 13148:2010 (E) 6 EN 10204, Metallic products — Types of inspection documents EN ISO 2624, Copper and copper alloys — Estimation of average grain size (ISO 2624:1990) EN ISO 3497, Metallic coatings — Measurement of coating thickness — X-ray spectrometric methods
(ISO 3497:2000) EN ISO 6507-1, Metallic materials — Vickers hardness test — Part 1: Test method (ISO 6507-1:2005) EN ISO 6892-1, Metallic materials — Tensile testing — Part 1: Method of test at room temperature
(ISO 6892-1:2009) EN ISO 7438:2005, Metallic materials — Bend test (ISO 7438:2005) ISO 1811-2, Copper and copper alloys — Selection and preparation of samples for chemical analysis — Part 2: Sampling of wrought products and castings ISO 80000-1, Quantities and units — Part 1: General SIST EN 13148:2011
EN 13148:2010 (E) 7 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 strip flat rolled product of rectangular cross-section with uniform thickness manufactured in coils and supplied in as sheared coils or traverse wound coils, usually with slit edges NOTE The thickness does not exceed one tenth of the width. 3.2 hot-dip tinned strip strip which is tinned with coatings on each face of equal thickness by drawing in an appropriate manner through a bath of any molten tin or tin-lead alloy or other tin alloy 3.3 differentially hot-dip tinned strip hot-dip tinned strip with coatings on each face of different thicknesses 3.4 partially hot-dip tinned strip hot-dip tinned strip with coatings on each face of equal thickness, but covering only part of the strip in the
longitudinal direction 3.5 base material (of a tinned strip) part of the strip which, after the tinning process, belongs neither to the metallic coating nor to an intermetallic phase and diffusion zone 4 Designations 4.1 Material of the strip to be tinned 4.1.1 General The material is designated either by symbol or number (see Tables 1 and 2). 4.1.2 Symbol The material symbol designation is based on the designation system given in ISO 1190-1. NOTE Although material symbol designations used in this European Standard might be the same as those in other standards using the designation system given in ISO 1190-1, the detailed composition requirements are not necessarily the same. 4.1.3 Number The material number designation is in accordance with the system given in EN 1412. 4.2 Material for the coating The coating is designated by the coating type (see Table 3) or for non-standardized coatings, by the supplier's designation. NOTE Due to solution and/or diffusion processes the composition of the coating can differ from that of the melt. SIST EN 13148:2011
EN 13148:2010 (E) 8 4.3 Material condition of the hot-dip tinned strip For the purposes of this European Standard, the following designations, which are in accordance with the system given in EN 1173, apply to the hot-dip tinned strip but are actually the material condition designations of the strip before tinning. − R. Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements; − H. Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements; − G. Material condition designated by the mid-range value of grain size requirement for the product with mandatory grain size and hardness requirements. Exact conversion between material conditions designated R., H. and G. is not possible. Material condition is designated by only one of the above designations. 4.4 Product The product designation provides a standardized pattern of designation from which a rapid and unequivocal description of a product is communicated. It provides mutual comprehension at the international level with regard to products which meet the requirements of the relevant European Standard. The product designation is no substitute for the full content of the standard. The product designation for products to this European Standard shall consist of: denomination (hot-dip tinned strip or differentially hot-dip tinned strip or partially hot-dip tinned strip); number of this European Standard (EN 13148); material designation of the strip to be tinned, either symbol or number (see Tables 1 and 2); material condition designation of the hot-dip tinned strip (see Table 4); nominal dimensions of the strip before tinning (thickness × width); tolerance class for the thickness of the strip before tinning (see Table 6); coating type, Sn or Sn60Pb (see Table 3) or for non-standardized coatings the supplier's designation; for hot-dip tinned strip, the preferred thickness or thickness range of the coating (see Table 5); for differentially hot-dip tinned strip, the preferred thicknesses or the thickness ranges of the coatings on each face (see Table 5), which shall be identified by marking one face A and the other B; for partially hot-dip tinned strip, the number of a dimensioned drawing including the preferred thicknesses or the thickness ranges of the coating (see Table 5). The derivation of a product designation is shown in the following examples: EXAMPLE 1 Hot-dip tinned strip conforming to this European Standard, in material of the strip to be tinned designated either CuSn6 or CW452K, in material condition H180, nominal thickness 0,50 mm, tolerance Class A, nominal width 200,00 mm, coating type Sn60Pb, thickness range 2 µm to 5 µm, is designated as follows: SIST EN 13148:2011
EN 13148:2010 (E) 9
Hot-dip tinned strip EN 13148 — CuSn6 — H180 — 0,50A × 200,00 — Sn60Pb — 2-5
or
Hot-dip tinned strip EN 13148 — CW452K — H180 — 0,50A × 200,00 — Sn60Pb — 2-5 Denomination Number of this European Standard Material designation of the strip to be tinned
Material condition designation
Nominal dimensions in millimetres and tolerance class for thickness
Material designation of the coating
Thickness range of the coating in micrometres
EXAMPLE 2 Differentially hot-dip tinned strip conforming to this European Standard, in material of the strip to be tinned designated either CuZn30 or CW505L, in material condition R350, nominal thickness 1,20 mm, tolerance Class B, nominal width 125,00 mm, coating type Sn, thickness (mean value) surface A 1,45 µm, thickness (mean value) surface B 3,5 µm, is designated as follows:
Differentially
hot dip
tinned strip EN 13148 — CuZn30 — R350 — 1,20B × 125,00 — Sn — A1,45 — B3,5
or
Differentially
hot-dip
tinned strip EN 13148 — CW505L — R350 — 1,20B × 125,00 — Sn — A1,45 — B3,5 Denomination
Number of this European Standard
Material designation of the strip to be tinned
Material condition designation
Nominal dimensions in millimetres and tolerance class for thickness
Material designation of the coating
Thickness of the coating surface A in micrometres
Thickness of the coating surface B in micrometres
SIST EN 13148:2011
EN 13148:2010 (E) 10 EXAMPLE 3 Partially hot-dip tinned strip, conforming to this European Standard, in material of the strip to be tinned designated either CuSn4 or CW450K, in material condition R610, nominal thickness 0,60 mm, tolerance Class A, nominal width 54,00 mm, coating type Sn60Pb, drawing number W38501, is designated as follows:
Partially
hot dip
tinned strip EN 13148 — CuSn4— R610 — 0,60A × 54,00 — Sn60Pb — W38501
or
Partially
hot dip
tinned strip EN 13148 — CW450K — R610 — 0,60A × 54,00 — Sn60Pb — W38501 5 Ordering information In order to facilitate the enquiry, order and confirmation of order procedures between the purchaser and the supplier, the purchaser shall state on his enquiry and order the following information: a) quantity of product required (mass); b) denomination (hot-dip tinned strip or differentially hot-dip tinned strip or partially hot-dip tinned strip); c) number of this European Standard (EN 13148); d) material designation of the strip to be tinned (see Tables 1 and 2); e) material condition designation of the hot-dip tinned strip (see 4.3 and Table 4); f) nominal thickness of the strip before tinning. If nominal thickness of the tinned strip is required, it shall be subject to agreement between the purchaser and the supplier; g) tolerance class for the thickness of the strip before tinning (see Table 6); h) nominal width of the hot-dip tinned strip; i) coating type, Sn or Sn60Pb (see Table 3) or for non-standardized coatings the supplier's designation; j) thickness of the coating: 1) hot-dip tinned strip (see 3.2): mean value of coating thickness or thickness range (see Table 5); 2) differentially hot-dip tinned strip (see 3.3): mean value of coating thickness or thickness range (see Table 5) of each face, identified A and B, and the positions of those faces relative to the coil or spool; 3) partially hot-dip tinned strip (see 3.4): the number of a fully dimensioned and toleranced drawing which shall accompany the order. NOTE 1 It is recommended that the product designation, as described in 4.4, is used for items b) to j). In addition, the purchaser shall also state on the enquiry and order any of the following, if required: k) whether tinned edges are required (see 6.3.2) and if so, tolerances on width shall be agreed between the purchaser and the supplier; l) whether the strip shall meet edgewise curvature requirements (see 6.4 and Table 8); SIST EN 13148:2011
EN 13148:2010 (E) 11 m) whether special requirements for appearance of the surface shall be met (bright, dull) (see 6.5.2); n) whether requirements for solderability shall be met (see 6.5.3) and if so, the acceptance criteria shall be agreed between the purchaser and the supplier; o) whether special requirements for adhesion of the coating shall be met (see 6.5.4) and if so, the
acceptance criteria shall be agreed between the purchaser and the supplier; p) coil size requirements: nominal inside diameter in millimetres and maximum outside diameter in
millimetres and either maximum mass in kilograms or approximate specific coil mass (mass per width) in kilogram per millimetre; q) spool size: type or dimensions; r) whether a declaration of conformity is required (see 9.1); s) whether an inspection document is required, and if so, which type (see 9.2); t) whether there are any special requirements for marking, packaging or labelling (see Clause 10). NOTE 2 To facilitate recycling it is recommended to use coating type Sn for the coating. EXAMPLE Ordering details for 1 200 kg hot-dip tinned strip conforming to EN 13148, in material of the strip to be tinned designated either CuZn37 or CW508L, in material condition R480, nominal thickness 0,40 mm, tolerance Class C, nominal width 160,00 mm, coating type Sn, mean value of thickness of the coating 1,45 µm, untinned edges, nominal inside diameter of coil 400 mm, maximum outside diameter of coil 950 mm, approximate specific coil mass (mass per width) 4,5 kg/mm:
1 200 kg Hot-dip tinned strip EN 13148 — CuZn37 — R480 — 0,40C ×××× 160,00 — Sn — 1,45
— nominal inside diameter of coil 400 mm
— maximum outside diameter of coil 950 mm
— approximate specific coil mass 4,5 kg/mm
or
1 200 kg Hot-dip tinned strip EN 13148 — CW508L — R480 — 0,40C ×××× 160,00 — Sn — 1,45
— nominal inside diameter of coil 400 mm
— maximum outside diameter of coil 950 mm
— approximate specific coil mass 4,5 kg/mm 6 Requirements 6.1 Composition 6.1.1 Strip to be tinned The composition of the strip shall conform to the requirements for the appropriate material given in Tables 1 and 2. Percentage content of the elements shown as "remainder" (Rem.) is usually calculated by difference from 100 %. 6.1.2 Material for the coating Unless otherwise specified, the composition of the material for the coating shall conform to the requirements for the appropriate material given in Table 3. Other material for the coating shall conform to the requirements agreed between the purchaser and the supplier [see 5 i)]. SIST EN 13148:2011
EN 13148:2010 (E) 12 6.2 Mechanical properties and grain size of the base material The mechanical properties and the grain size, if required, shall conform to the appropriate requirements given in Table 4. The tests shall be carried out in accordance with 8.2 to 8.4. 6.3 Dimensions and tolerances 6.3.1 Tolerances on thickness The thickness of strip before tinning shall conform to the appropriate tolerances given in Table 6. The
thickness of tinned strip shall conform to the appropriate combination of tolerances for the thickness of the strip given in Table 6 and the thickness range of the coatings ordered, for both faces, given in Table 5. NOTE The minimum thickness of the tinned strip is equal to the minimum thickness of the strip before tinning plus the minimum thickness of the coating on each face. The maximum thickness of the tinned strip is equal to the maximum
thickness of the strip before tinning plus the maximum thickness of the coating on each face. For partially hot-dip tinned strip it can be the case that in the non-coated parts max. 0,03 mm of the base
material is removed. 6.3.2 Tolerances on widths Generally the edges of a supplied strip are not tinned, because a strip is normally tinned in a larger width and slit to the ordered width after hot-dip tinning. In this case the same tolerances as for strip before tinning shall apply as given in Table 7. When strip with coated edges is ordered, the tolerance on width shall be agreed between the purchaser and the supplier. 6.4 Edgewise curvature c For the straightness of the longitudinal edge, which unless otherwise agreed between the purchaser and the supplier shall be based on a measuring length of 1 000 mm, the edgewise curvature c (see Figure 1) shall not exceed the values given in Table 8. If the purchaser and the supplier agree on a measuring length of 2 000 mm, the edgewise curvature c shall not exceed the values given in Table 8 multiplied by 4.
Key 1 measuring length 2 strip width c edgewise curvature Figure 1 — Edgewise curvature c SIST EN 13148:2011
EN 13148:2010 (E) 13 6.5 Properties of the coating 6.5.1 Condition The products shall be clean and free from injurious defects which shall be specified by agreement between the purchaser and the supplier at the time of enquiry and order. A thin film of lubricant or interleaved paper may be present to avoid surface damage. 6.5.2 Appearance The appearance depends on the cooling condition of the liquid film, the coating type and the technique used to remove the excess molten metal. The appearance of the surface may be either bright or dull or a
combination of both. The appearance of the coating does not affect the suitability of the coating. If there are special requirements for appearance of the coating, they shall be agreed between the purchaser and the
supplier. 6.5.3 Solderability If solderability is required, the acceptance criteria shall be agreed between the purchaser and the supplier. The test shall be carried out in accordance with Annex A. 6.5.4 Adhesion If verification of the coating
...
SLOVENSKI STANDARD
oSIST prEN 13148:2009
01-maj-2009
%DNHULQEDNURYH]OLWLQH9URþHSRNRVLWUHQLWUDNRYL
Copper and copper alloys - Hot-dip tinned strip
Kupfer und Kupferlegierungen - Feuerverzinnte Bänder
Cuivres et alliages de cuivre - Bandes étamées à chaud
Ta slovenski standard je istoveten z: prEN 13148
ICS:
77.150.30 Bakreni izdelki Copper products
oSIST prEN 13148:2009 en,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 13148:2009
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oSIST prEN 13148:2009
EUROPEAN STANDARD
DRAFT
prEN 13148
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2009
ICS 77.150.30 Will supersede EN 13148:2001
English Version
Copper and copper alloys - Hot-dip tinned strip
Cuivres et alliages de cuivre - Bandes étamées à chaud Kupfer und Kupferlegierungen - Feuerverzinnte Bänder
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 133.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13148:2009: E
worldwide for CEN national Members.
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oSIST prEN 13148:2009
prEN 13148:2009 (E)
Contents Page
Foreword .4
Introduction .5
1 Scope .6
2 Normative references .6
3 Terms and definitions .7
4 Designations .7
4.1 Material of the strip to be tinned .7
4.2 Material for the coating .7
4.3 Material condition of the hot-dip tinned strip .8
4.4 Product .8
5 Ordering information . 10
6 Requirements . 11
6.1 Composition . 11
6.2 Mechanical properties and grain size of the base material . 12
6.3 Dimensions and tolerances . 12
6.4 Edgewise curvature c . 12
6.5 Properties of the coating . 13
7 Sampling . 13
7.1 General . 13
7.2 Analysis of the base material . 13
7.3 Tensile, hardness, grain size and technological tests . 14
8 Test methods . 14
8.1 Analysis of the base material . 14
8.2 Tensile test of the base material . 14
8.3 Hardness test of the base material . 14
8.4 Estimation of average grain size of the base material . 14
8.5 Edgewise curvature c . 14
8.6 Solderability . 14
8.7 Adhesion . 14
8.8 Measurement of coating thickness . 15
8.9 Retests . 15
8.10 Rounding of results . 15
9 Declaration of conformity and inspection documentation . 15
9.1 Declaration of conformity . 15
9.2 Inspection documentation . 15
10 Marking, packaging, labelling . 15
Annex A (normative) Testing of solderability of hot-dip tinned strip by means of vertical dipping
test . 38
Annex B (normative) Measuring of coating thickness with X-ray spectrometric method according
to ISO 3497 . 41
Bibliography . 43
Tables
Table 1 — Composition of copper . 16
Table 2 — Composition of copper alloys . 17
Table 3 — Composition of Sn and Sn60Pb . 19
Table 4 — Mechanical properties and grain size of strip before tinning or base material . 20
Table 5 — Preferred thickness (mean values) and thickness ranges of coatings . 36
Table 6 — Tolerance on thickness for strip before tinning . 36
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Table 7 — Tolerances on width for hot-dip tinned strip . 37
Table 8 — Edgewise curvature c for hot-dip tinned strip . 37
Figures
Figure 1 — Edgewise curvature c . 12
Figure A.1 — Acceptable . 40
Figure A.2 — Borderline sample, acceptable . 40
Figure A.3 — Borderline sample, unacceptable . 40
Figure A.4 — Unacceptable . 40
Figure A.5 — Unacceptable, no adequate coating . 40
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Foreword
This document (prEN 13148:2009) has been prepared by Technical Committee CEN/TC 133 “Copper and
copper alloys”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 13148:2001.
Within its programme of work, Technical Committee CEN/TC 133 requested CEN/TC 133/WG 2 "Rolled flat
products" to revise the following standard:
EN 13148, Copper and copper alloys — Hot-dip tinned strip
This is one of a series of European Standards for copper and copper alloy rolled flat products. Other products
are, or will be, specified as follows:
EN 1172, Copper and copper alloys — Sheet and strip for building purposes
EN 1652, Copper and copper alloys — Plate, sheet, strip and circles for general purposes
EN 1653, Copper and copper alloys — Plate, sheet and circles for boilers, pressure vessels and hot water
storage units
EN 1654, Copper and copper alloys — Strip for springs and connectors
EN 1758, Copper and copper alloys — Strip for lead frames
EN 13599, Copper and copper alloys — Copper plate, sheet and strip for electrical purposes
EN 14436, Copper and copper alloys — Electrolytically tinned strip
In comparison with the first edition of EN 13148:2001, the following significant technical changes were made:
a) Table 3:
composition of Sn, increasing of the upper limits: Cu from 0,030 % to 2,0 %, Pb from 0,03 % to 0,1 %
and Zn from 0,0010 % to 0,7 %;
column “Material designation” and reference to “EN 610 and EN 29453” are deleted;
st
b) Table 4: column 0,2 % proof strength, at the 1 line (R220), the value “(min. 140)” where corrected in
“(max. 140)”.
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Introduction
Hot-dip tinned strip is manufactured by passing strip through a molten bath of tin, tin-lead alloy or other tin
alloys. By this process a solid bond is created between the metallic coating and the strip by formation of a
layer of an intermetallic phase and a diffusion zone.
The base metal is hot-dip tinned to protect it against corrosion, to facilitate soldering operations, to improve
insertion and withdrawal forces of connectors, to reduce contact resistance at electrical junctions and to avoid
whisker growth on components. The properties of coatings can be modified by mechanical and/or thermal
treatments.
When the strip is emerging from the bath the thickness of the coating is adjusted by partially wiping off the
molten film, either by stationary wiping devices or by a flat air jet. The thickness of the coating can be continu-
ously measured and regulated on both sides of the strip during or after the tinning process. Usually strips are
tinned in larger widths and slit to narrower width specified by the customer. In this case, the final slit product
has untinned edges.
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1 Scope
This European Standard specifies:
the composition and tolerances on dimensions of strip produced by rolling in the thickness range from
0,10 mm up to and including 1,50 mm of copper and copper alloys to be tinned, with tin, a tin-lead alloy or
other tin alloys;
the composition of material normally used for the melt;
the properties of strip before tinning;
the properties of hot-dip tinned strip;
the preferred thicknesses (mean values) and thickness ranges of coatings;
the edgewise curvature of hot-dip tinned strip;
the sampling procedure;
the methods of test to be used for verification of conformity to the requirements of this standard;
the delivery conditions.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated refer-
ences, only the edition cited applies. For undated references, the latest edition of the referenced document
(including any amendments) applies.
EN 1655, Copper and copper alloys — Declarations of conformity
EN 1976, Copper and copper alloys — Cast unwrought copper products
EN 10002-1, Metallic materials — Tensile testing — Part 1: Method of test at ambient temperature
EN 10204, Metallic products — Types of inspection documents
EN ISO 2624, Copper and copper alloys — Estimation of average grain size
EN ISO 6507-1, Metallic materials — Vickers hardness test — Part 1: Test method
EN ISO 7438:2005, Metallic materials — Bend test
ISO 1811-2, Copper and copper alloys — Selection and preparation of samples for chemical analysis —
Part 2: Sampling of wrought products and castings
ISO 3497, Metallic coatings — Measurement of coating thickness — X-ray spectrometric methods
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3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply:
3.1
strip
flat rolled product of rectangular cross-section with uniform thickness manufactured in coils and supplied in as
sheared coils or traverse wound coils, usually with slit edges. The thickness does not exceed one tenth of the
width
3.2
hot-dip tinned strip
strip which is tinned with coatings on each face of equal thickness by drawing in an appropriate manner
through a bath of any molten tin or tin-lead alloy or other tin alloy
3.3
differentially hot-dip tinned strip
hot-dip tinned strip with coatings on each face of different thicknesses
3.4
partially hot-dip tinned strip
hot-dip tinned strip with coatings on each face of equal thickness, but covering only part of the strip in the lon-
gitudinal direction
3.5
base material (of a tinned strip)
that part of the strip which, after the tinning process, belongs neither to the metallic coating nor to an inter-
metallic phase and diffusion zone
4 Designations
4.1 Material of the strip to be tinned
4.1.1 General
The material is designated either by symbol or number (see Tables 1 and 2).
4.1.2 Symbol
The material symbol designation is based on the designation system given in ISO 1190-1.
NOTE Although material symbol designations used in this standard might be the same as those in other standards
using the designation system given in ISO 1190-1, the detailed composition requirements are not necessarily the same.
4.1.3 Number
The material number designation is in accordance with the system given in EN 1412.
4.2 Material for the coating
The coating is designated by the coating type (see Table 3) or for non-standardized coatings, by the supplier's
designation.
NOTE Due to solution and/or diffusion processes the composition of the coating can differ from that of the melt.
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4.3 Material condition of the hot-dip tinned strip
For the purposes of this standard, the following designations, which are in accordance with the system given
in EN 1173, apply to the hot-dip tinned strip but are actually the material condition designations of the strip
before tinning.
R. Material condition designated by the minimum value of tensile strength requirement for the product with
mandatory tensile strength and elongation requirements;
H. Material condition designated by the minimum value of hardness requirement for the product with man-
datory hardness requirements;
G. Material condition designated by the mid-range value of grain size requirement for the product with man-
datory grain size and hardness requirements.
Exact conversion between material conditions designated R., H. and G. is not possible.
Material condition is designated by only one of the above designations.
4.4 Product
The product designation provides a standardized pattern of designation from which a rapid and unequivocal
description of a product is communicated. It provides mutual comprehension at the international level with
regard to products which meet the requirements of the relevant European Standard.
The product designation is no substitute for the full content of the standard.
The product designation for products to this standard shall consist of:
denomination (Hot-dip tinned strip or Differentially hot-dip tinned strip or Partially hot-dip tinned strip);
number of this European Standard (EN 13148);
material designation of the strip to be tinned, either symbol or number (see Tables 1 and 2);
material condition designation of the hot-dip tinned strip (see Table 4);
nominal dimensions of the strip before tinning (thickness × width);
tolerance class for the thickness of the strip before tinning (see Table 6);
coating type, Sn or Sn60Pb (see Table 3) or for non-standardized coatings the supplier's designation;
for hot-dip tinned strip, the preferred thickness or thickness range of the coating (see Table 5);
for differentially hot-dip tinned strip, the preferred thicknesses or the thickness ranges of the coatings on
each face (see Table 5), which shall be identified by marking one face A and the other B;
for partially hot-dip tinned strip, the number of a dimensioned drawing including the preferred thicknesses
or the thickness ranges of the coating (see Table 5).
The derivation of a product designation is shown in the following examples:
EXAMPLE 1 Hot-dip tinned strip conforming to this standard, in material of the strip to be tinned designated either
CuSn6 or CW452K, in material condition H180, nominal thickness 0,50 mm, tolerance Class A, nominal width 200,00 mm,
coating type Sn60Pb, thickness range 2 µm to 5 µm, shall be designated as follows:
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Hot-dip tinned strip EN 13148 — CuSn6 — H180 — 0,50A × 200,00 — Sn60Pb — 2-5
or
Hot-dip tinned strip EN 13148 — CW452K — H180 — 0,50A × 200,00 — Sn60Pb — 2-5
Denomination
Number of this European Standard
Material designation of the strip to be tinned
Material condition designation
Nominal dimensions in millimetres and tolerance class for thickness
Material designation of the coating
Thickness range of the coating in micrometres
EXAMPLE 2 Differentially hot-dip tinned strip conforming to this standard, in material of the strip to be tinned desig-
nated either CuZn30 or CW505L, in material condition R350, nominal thickness 1,20 mm, tolerance Class B, nominal
width 125,00 mm, coating type Sn, thickness (mean value) surface A 1,45 µm, thickness (mean value) surface B 3,5 µm,
shall be designated as follows:
Differentially
hot dip
tinned strip EN 13148 — CuZn30 — R350 — 1,20B × 125,00 — Sn — A1,45 — B3,5
or
Differentially
hot-dip
tinned strip EN 13148 — CW505L — R350 — 1,20B × 125,00 — Sn — A1,45 — B3,5
Deno-
mination
Number of this
European Standard
Material designation of
the strip to be tinned
Material condition designation
Nominal dimensions in millimetres and
tolerance class for thickness
Material designation of the coating
Thickness of the coating surface A in micrometres
Thickness of the coating surface B in micrometres
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EXAMPLE 3 Partially hot-dip tinned strip, conforming to this standard, in material of the strip to be tinned designated
either CuSn4 or CW450K, in material condition R610, nominal thickness 0,60 mm, tolerance Class A, nominal width
54,00 mm, coating type Sn60Pb, drawing number W38501, shall be designated as follows:
Partially
hot dip
tinned strip EN 13148 — CuSn4— R610 — 0,60A × 54,00 — Sn60Pb — W38501
or
Partially
hot dip
tinned strip EN 13148 — CW450K — R610 — 0,60A × 54,00 — Sn60Pb — W38501
5 Ordering information
In order to facilitate the enquiry, order and confirmation of order procedures between the purchaser and the
supplier, the purchaser shall state on his enquiry and order the following information:
a) quantity of product required (mass);
b) denomination (Hot-dip tinned strip or Differentially hot-dip tinned strip or Partially hot-dip tinned strip);
c) number of this European Standard (EN 13148);
d) material designation of the strip to be tinned (see Tables 1 and 2);
e) material condition designation of the hot-dip tinned strip (see 4.3 and Table 4);
f) nominal thickness of the strip before tinning. If nominal thickness of the tinned strip is required, it shall be
subject to agreement between the purchaser and the supplier;
g) tolerance class for the thickness of the strip before tinning (see Table 6);
h) nominal width of the hot-dip tinned strip;
i) coating type, Sn or Sn60Pb (see Table 3) or for non-standardized coatings the supplier's designation;
j) thickness of the coating:
hot-dip tinned strip (see 3.2): mean value of coating thickness or thickness range (see Table 5);
differentially hot-dip tinned strip (see 3.3): mean value of coating thickness or thickness range (see
Table 5) of each face, identified A and B, and the positions of those faces relative to the coil or spool;
partially hot-dip tinned strip (see 3.4): the number of a fully dimensioned and toleranced drawing
which shall accompany the order;
NOTE It is recommended that the product designation, as described in 4.4, is used for items b) to j).
In addition, the purchaser shall also state on the enquiry and order any of the following, if required:
k) whether tinned edges are required (see 6.3.2) and if so, tolerances on width shall be agreed between the
purchaser and the supplier;
l) whether the strip shall meet edgewise curvature requirements (see 6.4 and Table 8);
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m) whether special requirements for appearance of the surface shall be met (bright, dull) (see 6.5.2);
n) whether requirements for solderability shall be met (see 6.5.3) and if so, the acceptance criteria shall be
agreed between the purchaser and the supplier;
o) whether special requirements for adhesion of the coating shall be met (see 6.5.4) and if so, the accep-
tance criteria shall be agreed between the purchaser and the supplier;
p) coil size requirements: nominal inside diameter in millimetres and maximum outside diameter in millime-
tres and either maximum mass in kilograms or approximate specific coil mass (mass per width) in kilo-
gram per millimetre;
q) spool size: type or dimensions;
r) whether a declaration of conformity is required (see 9.1);
s) whether an inspection document is required, and if so, which type (see 9.2);
t) whether there are any special requirements for marking, packaging or labelling (see Clause 10).
NOTE To facilitate recycling it is recommended to use coating type Sn for the coating.
EXAMPLE Ordering details for 1 200 kg hot-dip tinned strip conforming to EN 13148, in material of the strip to be
tinned designated either CuZn37 or CW508L, in material condition R480, nominal thickness 0,40 mm, tolerance Class C,
nominal width 160,00 mm, coating type Sn, mean value of thickness of the coating 1,45 µm, untinned edges, nominal in-
side diameter of coil 400 mm, maximum outside diameter of coil 950 mm, approximate specific coil mass (mass per width)
4,5 kg/mm:
1 200 kg Hot-dip tinned strip EN 13148 — CuZn37 — R480 — 0,40C ×××× 160,00 — Sn — 1,45
— nominal inside diameter of coil 400 mm
— maximum outside diameter of coil 950 mm
— approximate specific coil mass 4,5 kg/mm
or
1 200 kg Hot-dip tinned strip EN 13148 — CW508L — R480 — 0,40C ×××× 160,00 — Sn — 1,45
— nominal inside diameter of coil 400 mm
— maximum outside diameter of coil 950 mm
— approximate specific coil mass 4,5 kg/mm
6 Requirements
6.1 Composition
6.1.1 Strip to be tinned
The composition of the strip shall conform to the requirements for the appropriate material given in Tables 1
and 2.
Percentage content of the elements shown as "remainder" (Rem.) is usually calculated by difference from
100 %.
6.1.2 Material for the coating
Unless otherwise specified, the composition of the material for the coating shall conform to the requirements
for the appropriate material given in Table 3. Other material for the coating shall conform to the requirements
agreed between the purchaser and the supplier [see 5 i)].
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6.2 Mechanical properties and grain size of the base material
The mechanical properties and the grain size, if required, shall conform to the appropriate requirements given
in Table 4. The tests shall be carried out in accordance with 8.2 to 8.4.
6.3 Dimensions and tolerances
6.3.1 Tolerances on thickness
The thickness of strip before tinning shall conform to the appropriate tolerances given in Table 6. The thick-
ness of tinned strip shall conform to the appropriate combination of tolerances for the thickness of the strip
given in Table 6 and the thickness range of the coatings ordered, for both faces, given in Table 5.
NOTE The minimum thickness of the tinned strip is equal to the minimum thickness of the strip before tinning plus the
minimum thickness of the coating on each face. The maximum thickness of the tinned strip is equal to the maximum thick-
ness of the strip before tinning plus the maximum thickness of the coating on each face.
For partially hot-dip tinned strip it can be the case that in the non-coated parts max. 0,03 mm of the base ma-
terial is removed.
6.3.2 Tolerances on widths
Generally the edges of a supplied strip are not tinned, because a strip is normally tinned in a larger width and
slit to the ordered width after hot-dip tinning. In this case the same tolerances as for strip before tinning shall
apply as given in Table 7. When strip with coated edges is ordered, the tolerance on width shall be agreed
between the purchaser and the supplier.
6.4 Edgewise curvature c
For the straightness of the longitudinal edge, which unless otherwise agreed between the purchaser and the
supplier shall be based on a measuring length of 1 000 mm, the edgewise curvature c (see Figure 1) shall not
exceed the values given in Table 8.
If the purchaser and the supplier agree on a measuring length of 2 000 mm, the edgewise curvature c shall
not exceed the values given in Table 8 multiplied by 4.
Key
1 measuring length
2 strip width
c edgewise curvature
Figure 1 — Edgewise curvature c
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6.5 Properties of the coating
6.5.1 Condition
The products shall be clean and free from injurious defects which shall be specified by agreement between
the purchaser and the supplier at the time of enquiry and order. A thin film of lubricant or interleaved paper
may be present to avoid surface damage.
6.5.2 Appearance
...
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