EN 10154:2002
(Main)Continuously hot-dip Aluminium-Silicon (AS) coated steel strip and sheet - Technical delivery conditions
Continuously hot-dip Aluminium-Silicon (AS) coated steel strip and sheet - Technical delivery conditions
This European Standard specifies requirements for continuously hot-dip aluminium-silicon alloy coated flat products made of low carbon steels for cold forming (see Table 1) or of structural steels (see Table 2) in thicknesses /- 600 mm width) and cut lengths (< 600 mm width).
Kontinuierlich schmelztauchveredeltes Band und Blech aus Stahl mit Aluminium-Silicium-Überzügen (AS) - Technische Lieferbedingungen
Diese Europäische Norm enthält die Anforderungen an kontinuierlich schmelztauchveredelte Flacherzeugnisse mit Aluminium-Silicium-Überzügen aus weichen Stählen zum Kaltumformen (siehe Tabelle 1) sowie aus Baustählen (siehe Tabelle 2) in Dicken £ 3,0 mm. Als Dicke gilt die Enddicke des gelieferten Erzeugnisses nach dem Schmelz-tauchen.
Diese Europäische Norm gilt für Band aller Breiten sowie für daraus abgelängte Bleche (³ 600 mm Breite) und Stäbe (< 600 mm Breite).
Der aus einer Aluminium-Silicium-Legierung bestehende Überzug wird durch Eintauchen der Erzeugnisse in ein Schmelzbad mit einem Siliciumgehalt von 8 % bis 11 % aufgebracht (auch als Typ 1 bezeichnet).
Die lieferbaren Überzüge, Auflagegewichte und Oberflächenarten sind in 7.2 bis 7.3 und in Tabelle 3 angegeben.
Die Erzeugnisse nach dieser Europäischen Norm eignen sich für Verwendungszwecke, bei denen Hitzebeständig-keit und Korrosionsbeständigkeit der Erzeugnisse im Vordergrund stehen.
Diese Europäische Norm gilt nicht für schmelztauchveredelte Flacherzeugnisse mit Überzügen aus reinem Aluminium (üblicherweise als Typ 2 bezeichnet).
Bandes et tôles en acier revêtues en continu par immersion à chaud d'une couche d'Aluminium-Silicium (AS) - Conditions techniques de livraison
La présente norme européenne spécifie les prescriptions relatives aux produits plats revêtus en continu par immersion à chaud d'alliage d'aluminium et de silicium, en acier à bas carbone pour formage à froid (voir tableau 1) ou en acier de construction (voir tableau 2), d'épaisseurs * 3,0 mm. L'épaisseur considérée est l'épaisseur finale du produit livré après revêtement.
La présente norme européenne s'applique aux bandes (bobines) de toutes largeurs ainsi qu'aux tôles (largeur
* 600 mm) et aux bandes refendues coupées à longueur (largeur < 600 mm) qui y sont découpées.
Le revêtement d'alliage aluminium-silicium est obtenu par immersion des produits dans un bain contenant 8 % à 11 % de silicium (aussi dénommés de type 1).
Les masses de revêtement, aspects de revêtement et qualités de finition disponibles sont indiqués de 7.2 à 7.3 et dans le tableau 3.
Les produits couverts par la présente norme européenne sont essentiellement destinés aux applications pour lesquelles la tenue à chaud et la résistance à la corrosion sont des facteurs très importants.
La présente norme n'est pas applicable aux produits plats en acier revêtus par immersion à chaud d'aluminium pur (habituellement dénommés de type 2).
Kontinuirno prevlečeni jekleni trakovi in plošče z vročim omakanjem v aluminij-siliciju (AS) - Tehnični dobavni pogoji
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 10154:2003
01-april-2003
Nadomešča:
SIST EN 10154:1998
Kontinuirno prevlečeni jekleni trakovi in plošče z vročim omakanjem v aluminij-
siliciju (AS) - Tehnični dobavni pogoji
Continuously hot-dip Aluminium-Silicon (AS) coated steel strip and sheet - Technical
delivery conditions
Kontinuierlich schmelztauchveredeltes Band und Blech aus Stahl mit Aluminium-
Silicium-Überzügen (AS) - Technische Lieferbedingungen
Bandes et tôles en acier revetues en continu par immersion a chaud d'une couche
d'Aluminium-Silicium (AS) - Conditions techniques de livraison
Ta slovenski standard je istoveten z: EN 10154:2002
ICS:
77.140.50 Ploščati jekleni izdelki in Flat steel products and semi-
polizdelki products
SIST EN 10154:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 10154:2003
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SIST EN 10154:2003
EUROPEAN STANDARD
EN 10154
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2002
ICS 77.140.50 Supersedes EN 10154:1996
English version
Continuously hot-dip aluminium-silicon (AS) coated steel strip
and sheet - Technical delivery conditions
Bandes et tôles en acier revêtues en continu par Kontinuierlich schmelztauchveredeltes Band und Blech aus
immersion à chaud d'une couche d'aluminium-silicium (AS) Stahl mit Aluminium-Silicium-Überzügen (AS) - Technische
- Conditions techniques de livraison Lieferbedingungen
This European Standard was approved by CEN on 17 February 2002.
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 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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2002 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 10154:2002 E
worldwide for CEN national Members.
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SIST EN 10154:2003
EN 10154:2002 (E)
Contents
page
Foreword.3
1 Scope .4
2 Normative references .4
3 Terms and definitions.5
4 Classification and designation.5
4.1 Classification.5
4.2 Designation.6
5 Information to be supplied by the purchaser.6
5.1 Mandatory information .6
5.2 Options.7
6 Manufacturing process .7
7 Requirements .7
7.1 Mechanical properties .7
7.2 Coatings.9
7.3 Surface quality .9
7.4 Surface treatment (surface protection) .10
7.5 Freedom from coil breaks.10
7.6 Stretcher strains (low carbon steels for cold forming).10
7.7 Coating mass.11
7.8 Adhesion of coating .11
7.9 Surface condition.11
7.10 Tolerances on dimensions and shape.11
7.11 Suitability for further processing .11
8 Testing .12
8.1 General.12
8.2 Test units .12
8.3 Number of tests.12
8.4 Sampling.12
8.5 Test methods.13
8.6 Retests .14
9 Marking .14
10 Packing .15
11 Storage and transportation.15
12 Disputes.15
Annex A (normative) Reference method for determination of the total coating mass .16
A.1 Purpose.16
A.2 Reagents.16
A.3 Procedure .16
A.4 Evaluation.16
Annex B (normative) Method for determination of the mass of the Al-Fe-Si alloy layer .17
B.1 Purpose.17
B.2 Reagents.17
B.3 Procedure .17
B.4 Evaluation.17
2
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SIST EN 10154:2003
EN 10154:2002 (E)
Foreword
This document EN 10154:2002 has been prepared by ECISS/TC 27 "Surface coated flat products - Qualities,
dimensions, tolerances and specific tests", 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 November 2002, and conflicting national standards shall be withdrawn at the latest
by November 2002.
This European Standard supersedes EN 10154:1996.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,
France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,
Sweden, Switzerland and the United Kingdom.
3
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SIST EN 10154:2003
EN 10154:2002 (E)
1 Scope
This European Standard specifies requirements for continuously hot-dip aluminium-silicon alloy coated flat products
made of low carbon steels for cold forming (see Table 1) or of structural steels (see Table 2) in thicknesses
£ 3,0 mm. The thickness is the final thickness of the delivered product after coating.
This European Standard applies to strip of all widths and to sheets cut from it (‡ 600 mm width) and cut lengths
(< 600 mm width).
The aluminium-silicon alloy coating is obtained by immersing the products in a bath containing 8 % to 11 % Si (also
referred to as type 1).
The available coatings, coating masses and surface qualities are given in 7.2 to 7.3 and Table 3.
The products covered by this European Standard are mainly used where heat resistance and corrosion resistance
are the most important factors.
This European Standard is not applicable to steel flat products with hot-dip coating of pure aluminium (normally
referred to as type 2 coating).
2 Normative references
This European Standard incorporates by dated or undated reference provisions from other publications. These
normative references are cited at the appropriate points in the text, and the publications are listed hereafter.
Subsequent amendments to, or revisions of, any of these publications apply to this draft European Standard only
when incorporated in it by amendment or revision. In the case of undated references, the most recent edition of the
publications referred to applies (including amendments).
EN 10002-1, Metallic materials - Tensile testing - Part 1: Method of testing at ambient temperature.
EN 10020, Definition and classification of grades of steel.
EN 10021, General technical delivery requirements for steel and iron products
EN 10027-1, Designation systems for steels - Part 1: Steel names - principal symbols.
EN 10027-2, Designation systems for steels - Part 2: Numerical system.
EN 10079, Definition of steel products.
EN 10143, Continuously hot-dip metal coated steel sheet and strip - tolerances on dimensions and shape.
EN 10204, Metallic products - types of inspection documents.
ENV 606, Bar coded transport and handling labels for steel products.
CR 10260, Designation systems for steel - additional symbols.
1
)
EURONORM 12 , Bend test for steel sheet and strip less than 3 mm thick.
1)
Until it is transformed into an European Standard, either EURONORM 12 or the corresponding national standard may
be applied.
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SIST EN 10154:2003
EN 10154:2002 (E)
ISO 10113, Metallic materials - Sheet and strip - Determination of plastic strain ratio.
ISO 10275, Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent.
3 Terms and definitions
For the purposes of this European Standard the following terms and definitions apply in addition to the terms and
definitions in EN 10020, EN 10021, EN 10079 and EN 10204.
3.1
hot-dip aluminium-silicon alloy coating (AS)
application of an aluminium-silicon coating by immersing the prepared products in a molten bath of aluminium-
silicon alloy
NOTE In the present case, wide strip is continuously hot-dip coated in a bath the composition (type 1) of which is given in
clause 1.
3.2
coating mass
total mass of coating including the Al-Fe-Si alloy layer on both surfaces on the product (expressed in grams per
square metre)
4 Classification and designation
4.1 Classification
4.1.1 The steel grades according to Table 1 of this European Standard are classified according to their
increasing suitability for cold forming as follows:
DX51D+AS: bending and profiling quality,
DX52D+AS: drawing quality,
DX53D+AS: deep drawing quality,
DX54D+AS: special deep drawing quality,
DX55D+AS: deep drawing quality, heat resistance up to 800 °C,
DX56D+AS: extra deep drawing quality.
The steel grades according to Table 2 of this European Standard are classified according to their decreasing
specified minimum yield strength values with the exception of DX56D.
4.1.2 Heat resistance may be assumed for temperatures up to 700 °C except for steel grade DX55D+AS for
which heat resistance may be assumed for temperatures up to 800 °C.
5
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SIST EN 10154:2003
EN 10154:2002 (E)
4.2 Designation
4.2.1 Steel names
For the steel grades covered by this European Standard, the steel names as given in Tables 1 and 2 are allocated
in accordance with EN 10027-1 and CR 10260.
4.2.2 Steel numbers
For the steel grades covered by this European Standard, the steel numbers as given in Tables 1 and 2 are
allocated in accordance with EN 10027-2 and CR 10260.
5 Information to be supplied by the purchaser
5.1 Mandatory information
The following information shall be supplied by the purchaser at the time of enquiry and order:
a) the quantity to be delivered;
b) the type of product (strip, sheet, cut length);
c) the number of the dimensional standard (EN 10143);
d) the nominal dimensions and the tolerances on dimensions and shape and, if applicable, letters denoting
relevant special tolerances;
e) the term “steel”;
f) number of this standard (EN 10154);
g) steel name or steel number and symbol for the type of hot dip coating as given in Tables 1 and 2;
h) number designating the nominal mass of coating (e.g. 080 = 80 g/m² including both surfaces, see Table 3);
i) letter denoting the surface quality (A, B or C, see 7.3);
j) letter denoting the surface treatment (C, O, CO or U, see 7.4).
EXAMPLE 1 sheet, delivered with dimensional tolerances according to EN 10143 with a nominal thickness of 0,70 mm,
ordered with special thickness tolerances (S), nominal width 1 200 mm, ordered with special width tolerances (S), nominal
length 2 500 mm, ordered with special flatness tolerances (FS), made of steel S250GD+AS120-C-CO(1.0242+AS120-C-CO)
according to EN 10154:
1 sheet EN 10143-0,70Sx1200Sx2500FS
steel EN 10154-S250GD+AS120-C-CO
or
1 sheet EN 10143-0,70Sx1200Sx2500FS
steel EN 10154-1.0242+AS120-C-CO
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SIST EN 10154:2003
EN 10154:2002 (E)
5.2 Options
A number of options are specified in this European Standard and listed below. If the purchaser does not indicate
his wish to implement one of these options, the supplier shall supply in accordance with the basis specification of
this European Standard (see 5.1).
a) any low carbon steel products suitable for the manufacture of a specific part (see 7.1.2);
b) any special requirements for a maximum Al-Fe-Si alloy layer mass occurring during hot-dip aluminium-silicon
coating (see 7.2.2);
c) any requirement for special applications on bright appearance (type B surface, see NOTE to 7.3.3) and
protection by a strippable film on one surface (see NOTE to 7.4.2);
d) any products supplied free from coil breaks (see 7.5);
e) any products supplied free from stretcher strains when cold forming (see 7.6.2);
f) any maximum or minimum value for the coating mass per product surface (see 7.7.2);
g) notification of which surface has been inspected (see 7.9.1);
h) any testing for compliance with the requirements of this standard (see 8.1.1 and 8.1.2);
i) any supply of an inspection document and type of document (see 8.1.2);
j) any requirement for packing (see 10).
6 Manufacturing process
The processes used in steelmaking and manufacture of the products are left to the discretion of the manufacturer.
7 Requirements
7.1 Mechanical properties
7.1.1 The products shall be supplied on the basis of the mechanical property requirements in Table 1 and
Table 2.
7.1.2 If specially agreed at the time of enquiry and order, products made of steel grades DX52D+AS, DX
53D+AS, DX54D+AS, DX55D+AS and DX56D+AS with suitability for manufacturing a specific part may be
supplied. In this case the values in Table 1 do not apply. The reject tolerances arising when the material is
processed shall not exceed a specific proportion to be agreed upon at the time of enquiry and order.
7.1.3 If ordered in accordance with 7.1.1 the mechanical property values in Table 1 for the low carbon steels
apply for the following periods commencing from the date on which the products are made available by the works:
8 days for steel grades DX51D+AS and DX52D+AS;
6 months for steel grades DX53D+AS, DX54D+AS, DX55D+AS and DX56D+AS.
7.1.4 For the structural steel flat products the mechanical properties in Table 2 apply. A reduction in the
formability may occur with time. It is therefore in the interest of the purchaser to use the products as soon as
possible.
7
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SIST EN 10154:2003
EN 10154:2002 (E)
7.1.5 The tensile test values apply to
transverse test pieces for the low carbon steel grades according to Table 1;
longitudinal test pieces for the structural steel grades according to Table
...
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kontinuierlich schmelztauchveredeltes Band und Blech aus Stahl mit Aluminium-Silicium-Überzügen (AS) - Technische LieferbedingungenBandes et tôles en acier revetues en continu par immersion a chaud d'une couche d'Aluminium-Silicium (AS) - Conditions techniques de livraisonContinuously hot-dip Aluminium-Silicon (AS) coated steel strip and sheet - Technical delivery conditions77.140.50SROL]GHONLFlat steel products and semi-productsICS:Ta slovenski standard je istoveten z:EN 10154:2002SIST EN 10154:2003en01-april-2003SIST EN 10154:2003SLOVENSKI
STANDARDSIST EN 10154:19981DGRPHãþD
SIST EN 10154:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10154May 2002ICS 77.140.50Supersedes EN 10154:1996English versionContinuously hot-dip aluminium-silicon (AS) coated steel stripand sheet - Technical delivery conditionsBandes et tôles en acier revêtues en continu parimmersion à chaud d'une couche d'aluminium-silicium (AS)- Conditions techniques de livraisonKontinuierlich schmelztauchveredeltes Band und Blech ausStahl mit Aluminium-Silicium-Überzügen (AS) - TechnischeLieferbedingungenThis European Standard was approved by CEN on 17 February 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10154:2002 ESIST EN 10154:2003
EN 10154:2002 (E)2ContentspageForeword.31Scope.42Normative references.43Terms and definitions.54Classification and designation.54.1Classification.54.2Designation.65Information to be supplied by the purchaser.65.1Mandatory information.65.2Options.76Manufacturing process.77Requirements.77.1Mechanical properties.77.2Coatings.97.3Surface quality.97.4Surface treatment (surface protection).107.5Freedom from coil breaks.107.6Stretcher strains (low carbon steels for cold forming).107.7Coating mass.117.8Adhesion of coating.117.9Surface condition.117.10Tolerances on dimensions and shape.117.11Suitability for further processing.118Testing.128.1General.128.2Test units.128.3Number of tests.128.4Sampling.128.5Test methods.138.6Retests.149Marking.1410Packing.1511Storage and transportation.1512Disputes.15Annex A (normative)
Reference method for determination of the total coating mass.16A.1Purpose.16A.2Reagents.16A.3Procedure.16A.4Evaluation.16Annex B (normative)
Method for determination of the mass of the Al-Fe-Si alloy layer.17B.1Purpose.17B.2Reagents.17B.3Procedure.17B.4Evaluation.17SIST EN 10154:2003
EN 10154:2002 (E)3ForewordThis document EN 10154:2002 has been prepared by ECISS/TC 27 "Surface coated flat products - Qualities,dimensions, tolerances and specific tests", 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 orby endorsement, at the latest by November 2002, and conflicting national standards shall be withdrawn at the latestby November 2002.This European Standard supersedes EN 10154:1996.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.SIST EN 10154:2003
EN 10154:2002 (E)41 ScopeThis European Standard specifies requirements for continuously hot-dip aluminium-silicon alloy coated flat productsmade of low carbon steels for cold forming (see Table 1) or of structural steels (see Table 2) in thicknesses£ 3,0 mm. The thickness is the final thickness of the delivered product after coating.This European Standard applies to strip of all widths and to sheets cut from it (³ 600 mm width) and cut lengths(< 600 mm width).The aluminium-silicon alloy coating is obtained by immersing the products in a bath containing 8 % to 11 % Si (alsoreferred to as type 1).The available coatings, coating masses and surface qualities are given in 7.2 to 7.3 and Table 3.The products covered by this European Standard are mainly used where heat resistance and corrosion resistanceare the most important factors.This European Standard is not applicable to steel flat products with hot-dip coating of pure aluminium (normallyreferred to as type 2 coating).2 Normative referencesThis European Standard incorporates by dated or undated reference provisions from other publications. Thesenormative references are cited at the appropriate points in the text, and the publications are listed hereafter.Subsequent amendments to, or revisions of, any of these publications apply to this draft European Standard onlywhen incorporated in it by amendment or revision. In the case of undated references, the most recent edition of thepublications referred to applies (including amendments).EN 10002-1, Metallic materials - Tensile testing - Part 1: Method of testing at ambient temperature.EN 10020, Definition and classification of grades of steel.EN 10021, General technical delivery requirements for steel and iron productsEN 10027-1, Designation systems for steels - Part 1: Steel names - principal symbols.EN 10027-2, Designation systems for steels - Part 2: Numerical system.EN 10079, Definition of steel products.EN 10143, Continuously hot-dip metal coated steel sheet and strip - tolerances on dimensions and shape.EN 10204, Metallic products - types of inspection documents.ENV 606, Bar coded transport and handling labels for steel products.CR 10260, Designation systems for steel - additional symbols.EURONORM 121), Bend test for steel sheet and strip less than 3 mm thick.
1)Until it is transformed into an European Standard, either
EURONORM 12 or the corresponding national standard maybe applied.SIST EN 10154:2003
EN 10154:2002 (E)5ISO 10113, Metallic materials - Sheet and strip - Determination of plastic strain ratio.ISO 10275, Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent.3 Terms and definitionsFor the purposes of this European Standard the following terms and definitions apply in addition to the terms anddefinitions in EN 10020, EN 10021, EN 10079 and EN 10204.3.1hot-dip aluminium-silicon alloy coating (AS)application of an aluminium-silicon coating by immersing the prepared products in a molten bath of aluminium-silicon alloyNOTE
In the present case, wide strip is continuously hot-dip coated in a bath the composition (type 1) of which is given inclause 1.3.2coating masstotal mass of coating including the Al-Fe-Si alloy layer on both surfaces on the product (expressed in grams persquare metre)4 Classification and designation4.1Classification4.1.1The steel grades according to Table 1 of this European Standard are classified according to theirincreasing suitability for cold forming as follows:DX51D+AS: bending and profiling quality,DX52D+AS: drawing quality,DX53D+AS: deep drawing quality,DX54D+AS: special deep drawing quality,DX55D+AS: deep drawing quality, heat resistance up to 800 °C,DX56D+AS: extra deep drawing quality.The steel grades according to Table 2 of this European Standard are classified according to their decreasingspecified minimum yield strength values with the exception of DX56D.4.1.2Heat resistance may be assumed for temperatures up to 700 °C except for steel grade DX55D+AS forwhich heat resistance may be assumed for temperatures up to 800 °C.SIST EN 10154:2003
EN 10154:2002 (E)64.2Designation4.2.1Steel namesFor the steel grades covered by this European Standard, the steel names as given in Tables 1 and 2 are allocatedin accordance with EN 10027-1 and CR 10260.4.2.2Steel numbersFor the steel grades covered by this European Standard, the steel numbers as given in Tables 1 and 2 areallocated in accordance with EN 10027-2 and CR 10260.5 Information to be supplied by the purchaser5.1Mandatory informationThe following information shall be supplied by the purchaser at the time of enquiry and order:a) the quantity to be delivered;b) the type of product (strip, sheet, cut length);c) the number of the dimensional standard (EN 10143);d) the nominal dimensions and the tolerances on dimensions and shape and, if applicable, letters denotingrelevant special tolerances;e) the term “steel”;f) number of this standard (EN 10154);g) steel name or steel number and symbol for the type of hot dip coating as given in Tables 1 and 2;h) number designating the nominal mass of coating (e.g. 080 = 80 g/m² including both surfaces, see Table 3);i) letter denoting the surface quality (A, B or C, see 7.3);j) letter denoting the surface treatment (C, O, CO or U, see 7.4).EXAMPLE
1 sheet, delivered with dimensional tolerances according to EN 10143 with a nominal thickness of 0,70 mm,ordered with special thickness tolerances (S), nominal width 1 200 mm, ordered with special width tolerances (S), nominallength 2 500 mm, ordered with special flatness tolerances (FS), made of steel S250GD+AS120-C-CO(1.0242+AS120-C-CO)according to EN 10154:1 sheet EN 10143-0,70Sx1200Sx2500FSsteel EN 10154-S250GD+AS120-C-COor1 sheet EN 10143-0,70Sx1200Sx2500FSsteel EN 10154-1.0242+AS120-C-COSIST EN 10154:2003
EN 10154:2002 (E)75.2OptionsA number of options are specified in this European Standard and listed below. If the purchaser does not indicatehis wish to implement one of these options, the supplier shall supply in accordance with the basis specification ofthis European Standard (see 5.1).a) any low carbon steel products suitable for the manufacture of a specific part (see 7.1.2);b) any special requirements for a maximum Al-Fe-Si alloy layer mass occurring during hot-dip aluminium-siliconcoating (see 7.2.2);c) any requirement for special applications on bright appearance (type B surface, see NOTE to 7.3.3) andprotection by a strippable film on one surface (see NOTE to 7.4.2);d) any products supplied free from coil breaks (see 7.5);e) any products supplied free from stretcher strains when cold forming (see 7.6.2);f) any maximum or minimum value for the coating mass per product surface (see 7.7.2);g) notification of which surface has been inspected (see 7.9.1);h) any testing for compliance with the requirements of this standard (see 8.1.1 and 8.1.2);i) any supply of an inspection document and type of document (see 8.1.2);j) any requirement for packing (see 10).6 Manufacturing processThe processes used in steelmaking and manufacture of the products are left to the discretion of the manufacturer.7 Requirements7.1Mechanical properties7.1.1The products shall be supplied on the basis of the mechanical property requirements in Table 1 andTable 2.7.1.2If specially agreed at the time of enquiry and order, products made of steel grades DX52D+AS, DX53D+AS, DX54D+AS, DX55D+AS and DX56D+AS with suitability for manufacturing a specific part may besupplied. In this case the values in Table 1 do not apply. The reject tolerances arising when the material isprocessed shall not exceed a specific proportion to be agreed upon at the time of enquiry and order.7.1.3If ordered in accordance with 7.1.1 the mechanical property values in Table 1 for the low carbon steelsapply for the following periods commencing from the date on which the products are made available by the works:¾ 8 days for steel grades DX51D+AS and DX52D+AS;¾ 6 months for steel grades DX53D+AS, DX54D+AS, DX55D+AS and DX56D+AS.7.1.4For the structural steel flat products the mechanical properties in Table 2 apply. A reduction in theformability may occur with time. It is therefore in the interest of the purchaser to use the products as soon aspossible.SIST EN 10154:2003
EN 10154:2002 (E)87.1.5The tensile test values apply to¾ transverse test pieces for the low carbon steel grades according to Table 1;¾ longitudinal test pieces for the structur
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