SIST EN 10025-6:2005
(Main)Hot rolled products of structural steels - Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Hot rolled products of structural steels - Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Part 6 of this document, in addition to part 1, specifies requirements for flat products of high yield strength alloy special steels. The grades and qualities are given in Tables 2 to 4 (chemical composition) and Tables 5 to 7 (mechanical properties) and are supplied in the quenched and tempered condition as given in 6.3.
The steels specified in this document are applicable to hot-rolled flat products with a minimum nominal thickness of 3 mm and a maximum nominal thickness L 150 mm for grades S460, S500, S550, S620 and S690, a maximum nominal thickness L 100 mm for grade S890 and a maximum nominal thickness L 50 mm for grade S960, in steels which, after quenching and tempering, have a specified minimum yield strength of 460 MPa ) to 960 MPa1).
Warmgewalzte Erzeugnisse aus Baustählen - Teil 6: Technische Lieferbedingungen für Flacherzeugnisse aus Stählen mit höherer Streckgrenze im vergüteten Zustand
Teil 6 dieses Dokumentes legt ? zusätzlich zu Teil 1 ? die Anforderungen fest für Flacherzeugnisse aus legierten
Edelstählen mit höherer Streckgrenze. Die Sorten und Gütegruppen sind in den Tabellen 2 bis 4 (chemische
Zusammensetzung) sowie 5 bis 7 (mechanische Eigenschaften) aufgeführt und sie werden im vergüteten Zustand
nach 6.3 geliefert.
Die Stähle nach diesem Dokument werden für warmgewalzte Flacherzeugnisse mit Nenndicken von 3 mm bis
150 mm bei den Sorten S460, S500, S550, S620 und S690, maximal 100 mm bei der Sorte S890 und maximal
50 mm bei der Sorte S960 verwendet und weisen im vergüteten Zustand Mindestwerte der Streckgrenze im
Bereich von 460 MPa 1) bis 960 MPa 1) auf.
Produits laminés a chaud en aciers de construction - Partie 6: Conditions techniques de livraison pour produits plats des aciers a haute limite d'élasticité a l'état trempé et revenu
La présente partie 6 de ce présent document spécifie, avec la partie 1, les exigences pour les produits plats en aciers alliés spéciaux a haute limite d'élasticité. Les nuances et qualités sont données dans les Tableaux 2 a 4 (composition chimique) et 5 a 7 (caractéristiques mécaniques) et sont livrés a l'état trempé et revenu spécifié en 6.3.
Les aciers spécifiés dans le présent document sont applicables aux produits plats laminés a chaud d'épaisseur nominale minimale de 3 mm et d'épaisseur nominale maximale L 150 mm pour les nuances S460, S500, S550, S620 et S690, d'épaisseur nominale maximale L 100 mm pour la nuance S890, et d'épaisseur nominale maximale L 50 mm pour la nuance S960, en acier ayant, apres trempe et revenu, une limite d'élasticité minimale spécifiée de 460 Mpa ) a 960 Mpa 1).
Vroče valjani izdelki iz konstrukcijskih jekel – 6. del: Tehnični dobavni pogoji za ploščate izdelke iz konstrukcijskih jekel z veliko plastično trdnostjo v kaljenem in popuščenem stanju
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Hot rolled products of structural steels - Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered conditionProduits laminés a chaud en aciers de construction - Partie 6: Conditions techniques de livraison pour produits plats des aciers a haute limite d'élasticité a l'état trempé et revenuWarmgewalzte Erzeugnisse aus Baustählen - Teil 6: Technische Lieferbedingungen für Flacherzeugnisse aus Stählen mit höherer Streckgrenze im vergüteten Zustand77.140.50SROL]GHONLFlat steel products and semi-products77.140.10Jekla za toplotno obdelavoHeat-treatable steelsICS:SIST EN 10025-6:2005enTa slovenski standard je istoveten z:EN 10025-6:200401-januar-2005SIST EN 10025-6:2005SLOVENSKI
STANDARDSIST EN 10137-2:19971DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 10025-6
November 2004 ICS 77.140.10; 77.140.50
Supersedes EN 10137-2:1995
English version
Hot rolled products of structural steels - Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Produits laminés à chaud en aciers de construction -Partie 6: Conditions techniques de livraison pour produits plats des aciers à haute limite d'élasticité à l'état trempé et revenu
Warmgewalzte Erzeugnisse aus Baustählen - Teil 6: Technische Lieferbedingungen für Flacherzeugnisse aus Stählen mit höherer Streckgrenze im vergüteten Zustand This European Standard was approved by CEN on 1 April 2004.
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 Central Secretariat 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 Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, 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 © 2004 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10025-6:2004: E
EN 10025-6:2004 (E) 2 Contents Page Foreword.4 1 Scope.5 2 Normative references.5 2.1 General standards.5 2.2 Standards on dimensions and tolerances (see 7.7.1).6 2.3 Standards on testing.6 3 Terms and definitions.6 4 Classification and designation.6 4.1 Classification.6 4.1.1 Main quality classes.6 4.1.2 Grades and qualities.6 4.2 Designation.7 5 Information to be supplied by the purchaser.7 5.1 Mandatory information.7 5.2 Options.7 6 Manufacturing process.8 6.1 Steel making process.8 6.2 Deoxidation or grain size.8 6.3 Delivery conditions.8 7 Requirements.8 7.1 General.8 7.2 Chemical composition.8 7.3 Mechanical properties.9 7.3.1 General.9 7.3.2 Impact properties.9 7.3.3 Improved deformation properties perpendicular to the surface.9 7.4 Technological properties.9 7.4.1 Weldability.9 7.4.2 Formability.10 7.4.3 Suitability for hot-dip zinc-coating.10 7.5 Surface properties.11 7.6 Internal soundness.11 7.7 Tolerances on dimensions and shape, mass.11 8 Inspection.11 8.1 General.11 8.2 Type of inspection and inspection document.11 8.3 Frequency of testing.11 8.3.1 Sampling.11 8.3.2 Test units.12 8.3.3 Verification of chemical composition.12 8.4 Tests to be carried out for specific inspection.12 9 Preparation of samples and test pieces.12 9.1 Selection and preparation of samples for chemical analysis.12 9.2 Location and orientation of samples and test pieces for mechanical tests.13 9.2.1 General.13 9.2.2 Preparation of samples.13 9.2.3 Preparation of test pieces.13
EN 10025-6:2004 (E) 3 9.2.4 Impact test pieces.13 9.3 Identification of samples and test pieces.13 10 Test methods.13 10.1 Chemical analysis.13 10.2 Mechanical tests.13 10.3 Ultrasonic testing.13 10.4 Retests.14 11 Marking, labelling, packaging.14 12 Complaints.14 13 Options (see 5.2).14 Annex A (informative)
List of corresponding former designations.21 Annex B (informative)
List of national standards which correspond with ECSC IC 2 referenced.22 Annex C (informative)
Minimum recommended inside bend radii for flanging.23 Bibliography.24
EN 10025-6:2004 (E) 4 Foreword This document (EN 10025-6:2004) has been prepared by Technical Committee ECISS/TC 10 “Structural steels - Grades and qualities”, the secretariat of which is held by NEN. 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 May 2005, and conflicting national standards shall be withdrawn at the latest by May 2005. This document supersedes, together with EN 10025-1:2004, EN 10137-1:1995, Plates and wide flats made of high yield strength structural steels in the quenched and tempered or precipitation hardened conditions – Part 1: General delivery conditions and EN 10137-2:1995, Plates and wide flats made of high yield strength structural steels in the quenched and tempered or precipitation hardened conditions - Part 2: Delivery conditions for quenched and tempered steels. According to resolution ECISS/TC 10 Nr 2/1999 EN 10137-3:1995, Plates and wide flats made of high yield strength structural steels in the quenched and tempered or precipitation hardened conditions - Part 3: Delivery conditions for precipitation hardened steels is withdrawn because the steels from this document are hardly produced at this moment. The titles of the other parts of this document are: Part 1: General technical delivery conditions; Part 2: Technical delivery conditions for non-alloy structural steels; Part 3: Technical delivery conditions for normalized/normalized rolled weldable fine grain structural steels Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels; Part 5: Technical delivery conditions for structural steels with improved atmospheric corrosion resistance. This document has been prepared under Mandate M/120 given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of the EU Construction Products Directive (89/106/EEC). For relationship with the EU Construction Products Directive, see informative Annex ZA of EN 10025-1:2004. 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, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
EN 10025-6:2004 (E) 5 1 Scope Part 6 of this document, in addition to part 1, specifies requirements for flat products of high yield strength alloy special steels. The grades and qualities are given in Tables 2 to 4 (chemical composition) and Tables 5 to 7 (mechanical properties) and are supplied in the quenched and tempered condition as given in 6.3. The steels specified in this document are applicable to hot-rolled flat products with a minimum nominal thickness of 3 mm and a maximum nominal thickness ≤ 150 mm for grades S460, S500, S550, S620 and S690, a maximum nominal thickness ≤ 100 mm for grade S890 and a maximum nominal thickness ≤ 50 mm for grade S960, in steels which, after quenching and tempering, have a specified minimum yield strength of 460 MPa1) to 960 MPa1). 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. 2.1 General standards EN 1011-2, Welding – Recommendations for welding of metallic materials - Part 2: Arc welding of ferritic steels. EN 10020, Definition and classification of grades of steel. EN 10025-1:2004, Hot rolled products of structural steels - Part 1: General technical delivery conditions. 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 10163-1, Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections – Part 1: General requirements. EN 10163-2, Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections – Part 2: Plates and wide flats. EN 10164, Steel products with improved deformation properties perpendicular to the surface of the product - Technical delivery conditions. CR 10260, Designation systems for steels - Additional symbols.
1) 1 MPa = 1 N/mm2.
EN 10025-6:2004 (E) 6 2.2 Standards on dimensions and tolerances (see 7.7.1) EN 10029, Hot rolled steel plates 3 mm thick or above - Tolerances on dimensions, shape and mass. EN 10048, Hot rolled narrow steel strip - Tolerances on dimensions and shape. EN 10051, Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels - Tolerances on dimensions and shape. EN 10162, Cold rolled steel sections - Technical delivery conditions - Dimensional and cross-sectional tolerances. 2.3 Standards on testing EN 10160, Ultrasonic testing of steel flat product of thickness equal to or greater than 6 mm (reflection method). 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 10025-1:2004 and the following apply. 3.1 quenching operation which consists of cooling a ferrous product more rapidly than in still air 3.2 tempering heat treatment applied to a ferrous product generally after quench hardening or other heat treatment to bring the properties to the required level It consists of heating to specific temperatures (< Ac1) and soaking one or more times followed by cooling at an appropriate rate. 4 Classification and designation 4.1 Classification 4.1.1 Main quality classes The steel grades specified in this document shall be classified as alloy special steels according to EN 10020. 4.1.2 Grades and qualities This document specifies seven steel grades. They differ in their minimum yield strength at ambient temperature. All the grades can be delivered in the following qualities as specified at the time of the enquiry and order: − (no symbol) with specified minimum values of impact energy at temperatures not lower than -20 °C; − L with specified minimum values of impact energy at temperatures not lower than -40 °C;
EN 10025-6:2004 (E) 7 − L1 with specified minimum values of impact energy at temperatures not lower than -60 °C (with the exclusion of S960). 4.2 Designation 4.2.1 The designation shall be in accordance with EN 10025-1. NOTE For a list of corresponding former designations and the former designations from EN 10137-2:1995 see Annex A, Table A.1. 4.2.2 The designation shall consist of: − the number of this document (EN 10025-6); − the steel name or the steel number; the steel name consisting of: − the symbol S (for structural steel); − the indication of the minimum specified yield strength for thickness ≤ 50 mm expressed in MPa1); − the delivery condition Q; − the capital letter L or L1 for the quality with specified minimum values of impact energy at temperatures not lower than -40 °C or -60 °C. EXAMPLE Structural steel (S) with a specified minimum yield strength at ambient temperature of 460 MPa1), in the quenched and tempered delivery condition (Q) and of quality L:
Steel EN 10025-6 – S460QL
or
Steel EN 10025-6 - 1.8906 5 Information to be supplied by the purchaser 5.1 Mandatory information The information that shall be supplied by the purchaser at the time of the order is specified in EN 10025-1. In addition to EN 10025-1 the following information shall be supplied by the purchaser at the time of the order: g) the type of inspection document (see 8.2). 5.2 Options A number of options are specified in Clause 13. In the event that the purchaser does not indicate his wish to implement any of these options, the supplier shall supply in accordance with the basic specification.
1 ) 1 MPa = 1 N/mm2.
EN 10025-6:2004 (E) 8 6 Manufacturing process 6.1 Steel making process The steel making process shall be in accordance with EN 10025-1. If specified at the time of the order the steel making process shall be reported to the purchaser. See option 1. 6.2 Deoxidation or grain size The steels specified in this document shall be fully killed. The steels shall have a fine grain structure containing nitrogen binding elements in amounts sufficient to bind the nitrogen. 6.3 Delivery conditions The products shall be supplied in the quenched and tempered condition (Q) as defined in Clause 3. NOTE Direct quenching after hot-rolling followed by tempering is considered equivalent to conventional quenching and tempering. 7 Requirements 7.1 General The following requirements apply when sampling, preparation of test pieces and testing specified in Clauses 8, 9 and 10 are carried out. 7.2 Chemical composition 7.2.1 The chemical composition determined by ladle analysis shall comply with the specified values of Table 2. On special request of the purchaser the manufacturer shall inform the purchaser at the time of the enquiry
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