BS EN 10149-3-2013 Hot rolled flat products made of high yield strength steels for cold forming Technical delivery conditions for normalized or normalized rolled steels《冷成型高屈服强度钢热轧.pdf

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1、BSI Standards PublicationBS EN 10149-3:2013Hot rolled flat products madeof high yield strength steels forcold formingPart 3: Technical delivery conditions fornormalized or normalized rolled steelsBS EN 10149-3:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN

2、 10149-3:2013.It supersedes BS EN 10149-3:1996 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ISE/103, Structural Steels Other Than Reinforcements.A list of organizations represented on this committee can beobtained on request to its secretary.This pub

3、lication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 73973 6ICS 77.140.50Compliance with a British Standard cannot confer immunity

4、 fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2013.Amendments issued since publicationDate Text affectedBS EN 10149-3:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10149-3 September 2013 ICS 77.

5、140.50 Supersedes EN 10149-3:1995English Version Hot rolled flat products made of high yield strength steels for cold forming - Part 3: Technical delivery conditions for normalized or normalized rolled steels Produits plats lamins chaud en aciers haute limite dlasticit pour formage froid - Partie 3:

6、 Conditions technicques de livraison des aciers ltat normalis ou laminage normalisant Warmgewalzte Flacherzeugnisse aus Sthlen mit hoher Streckgrenze zum Kaltumformen - Teil 3: Technische Lieferbedingungen fr normalgeglhte oder normalisierend gewalzte Sthle This European Standard was approved by CEN

7、 on 17 August 2013. 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

8、may be obtained on application to the CEN-CENELEC 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 notifie

9、d to the CEN-CENELEC 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Icela

10、nd, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Manage

11、ment Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10149-3:2013: EBS EN 10149-3:2013EN 10149-3:2013 (E) 2 Contents Page Foreword . 3 1 Scope 4 2 Normative references . 4 3 Terms and

12、definitions 4 4 Information to be supplied by the purchaser 4 4.1 General . 4 4.2 Options . 4 5 Dimensions, mass and tolerances 4 5.1 Dimensions and tolerances . 4 5.2 Mass of steel 5 6 Classification and designation 5 6.1 Classification and grades 5 6.2 Designation 5 7 Technical requirements . 5 7.

13、1 Steel manufacturing process . 5 7.2 Delivery condition 5 7.3 Chemical composition . 5 7.4 Mechanical properties 5 7.5 Technological properties . 6 7.6 Surface finish . 6 7.7 Internal soundness 7 8 Inspection and testing . 7 8.1 General . 7 8.2 Sampling . 7 8.3 Test units 7 8.4 Verification of chem

14、ical composition 7 8.5 Preparation of samples and test pieces 7 8.6 Test methods 7 8.7 Retests and resubmission for testing . 8 8.8 Inspection documents . 8 9 Marking . 8 10 Disputes 8 11 Options . 8 Annex A (normative) Location of test pieces . 10 Annex B (informative) Minimum inside bend radii for

15、 cold forming . 11 Bibliography 12 BS EN 10149-3:2013EN 10149-3:2013 (E) 3 Foreword This document (EN 10149-3:2013) has been prepared by Technical Committee ECISS/TC 103 “Structural steel other than reinforcements”, the secretariat of which is held by DIN. This European Standard shall be given the s

16、tatus of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2014, and conflicting national standards shall be withdrawn at the latest by March 2014. Attention is drawn to the possibility that some of the elements of this document may be the subj

17、ect of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 10149-3:1995. In comparison with EN 10149-3:1995, the following significant technical change was made: subclause 7.5.3 was completely revised. The titles

18、of the other Parts of this European Standard are: Part 1: General technical delivery conditions; Part 2: Technical delivery conditions for the thermomechanical rolled steels. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound

19、to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,

20、Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 10149-3:2013EN 10149-3:2013 (E) 4 1 Scope This European Standard, in addition to EN 10149-1, specifies requirements for flat products made of weldable, hot-rolled, high yield strength steels for cold formin

21、g. The grades are given in Table 1 (chemical composition) and Table 2 (mechanical properties) and are supplied in the normalised or normalised rolled delivery condition as given in 7.2. The steels specified in this European Standard are applicable to hot-rolled flat products in the thickness range o

22、f 1,5 mm and 20 mm. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document

23、(including any amendments) applies. EN 10029, Hot-rolled plates 3 mm thick or above - Tolerances on dimensions and shape EN 10051, Continuously hot-rolled strip and plate/sheet cut from wide strip of non-alloy and alloy steels - Tolerances on dimensions and shape EN 10149-1:2013, Hot rolled flat pro

24、ducts made of high yield strength steels for cold forming - Part 1: General technical delivery conditions EN ISO 14713-2:2009, Zinc coatings Guidelines and recommendations for the protection against corrosion of iron and steel in structures Part 2: Hot dip galvanizing (ISO 14713-2:2009) 3 Terms and

25、definitions For the purposes of this document, the terms and definitions given in EN 10149-1:2013 apply. 4 Information to be supplied by the purchaser 4.1 General The information to be supplied by the purchaser shall be in accordance with EN 10149-1. 4.2 Options The options given in EN 10149-1 and C

26、lause 11 shall apply. 5 Dimensions, mass and tolerances 5.1 Dimensions and tolerances The dimensions and tolerances shall be in accordance EN 10149-1. BS EN 10149-3:2013EN 10149-3:2013 (E) 5 For hot rolled plate tolerances, the basic requirements shall be in accordance with EN 10029, including thick

27、ness tolerances to class A, unless otherwise agreed at the time of the order. For plates cut from continuously hot rolled strip, the thickness tolerances shall be in accordance with EN 10051. 5.2 Mass of steel The calculated mass of steel shall be determined in accordance with EN 10149-1. 6 Classifi

28、cation and designation 6.1 Classification and grades All steel grades of EN 10149-3 are alloy quality steels according to EN 10020. The subdivision of steel grades shall comply with EN 10149-1. 6.2 Designation The designation shall comply with EN 10149-1. 7 Technical requirements 7.1 Steel manufactu

29、ring process The steel manufacturing process shall be in accordance with EN 10149-1. See EN 10149-1:2013, Clause 11, option 1). 7.2 Delivery condition The products shall be supplied in the normalised or normalised rolled delivery condition. The delivery condition of descaled surfaces shall be in acc

30、ordance with EN 10149-1. See EN 10149-1:2013, Clause 11, option 2). 7.3 Chemical composition The requirements of EN 10149-1 shall apply. The chemical composition determined by ladle analysis shall comply with the specified values of Table 1. See EN 10149-1:2013, Clause 11, option 3). 7.4 Mechanical

31、properties 7.4.1 General Under the inspection and testing conditions as specified in Clause 8 and in the delivery condition as specified in 7.2, the mechanical properties shall comply with the values given in Table 2. BS EN 10149-3:2013EN 10149-3:2013 (E) 6 7.4.2 Impact energy If agreed at the time

32、of the order, the verification of the impact energy value shall be carried out in accordance with EN 10149-1. See EN 10149-1:2013, Clause 11, option 5). 7.5 Technological properties 7.5.1 Weldability Weldability shall be in accordance with EN 10149-1. 7.5.2 Formability 7.5.2.1 General NOTE Recommend

33、ations regarding hot and cold forming are laid down in CEN/TR 10347. 7.5.2.2 Cold forming 7.5.2.2.1 General Annex B contains indicative values for the inside bend radii for cold forming. 7.5.2.2.2 Flangeability The products are suitable for flanging without cracking. 7.5.2.2.3 Roll forming The suita

34、bility for roll forming shall be in accordance with EN 10149-1. See EN 10149-1:2013, Clause 11, option 6). 7.5.3 Hot-dip zinc-coating EN ISO 1461 should be used to specify coating requirements. EN ISO 14713-2 provides further guidance, including information on the influence of various factors, inclu

35、ding steel chemical composition, on the coating formation. Option 7) (see EN 10149-1:2013, Clause 11) can be used to order steels with a chemical composition required for hot-dip zinc coating. When option 7) is implemented, the purchaser and manufacturer shall agree with a steel composition (ladle a

36、nalysis) of silicon and phosphorous according to either Category A (or steels satisfying the formula Si 0,03 % and Si+2.5P 0,09 %) or Category B (limited to 0,14 % 12 longitudinal longitudinal aRolled surface. BS EN 10149-3:2013EN 10149-3:2013 (E) 11 Annex B (informative) Minimum inside bend radii f

37、or cold forming Table B.1 Minimum inside bend radii for cold forming Designation of steel grade Minimum recommended inside bend radii for nominal thicknesses (t) in mm aSteel name Steel number t 3 3 6 S260NC S315NC S355NC S420NC 1.0971 1.0973 1.0977 1.0981 0,25t 0,25t 0,25t 0,5t 0,5t 0,5t 0,5t 1,0t

38、1,0t 1,0t 1,0t 1,5t aThe values are applicable for bend angles 90. BS EN 10149-3:2013EN 10149-3:2013 (E) 12 Bibliography 1 CEN/TR 10347, Guidance for forming of structural steels in processing 2 EN 10020, Definition and classification of grades of steel 3 EN ISO 1461, Hot dip galvanized coatings on

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