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    DIN EN 10149-3-2013 Hot rolled flat products made of high yield strength steels for cold forming - Part 3 Technical delivery conditions for normalized or normalized rolled steels G.pdf

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    DIN EN 10149-3-2013 Hot rolled flat products made of high yield strength steels for cold forming - Part 3 Technical delivery conditions for normalized or normalized rolled steels G.pdf

    1、December 2013 Translation by DIN-Sprachendienst.English price group 9No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC

    2、S 77.140.50!%*zX“2078753www.din.deDDIN EN 10149-3Hot rolled flat products made of high yield strength steels for coldforming Part 3: Technical delivery conditions for normalized or normalized rolledsteels;English version EN 10149-3:2013,English translation of DIN EN 10149-3:2013-12Warmgewalzte Flach

    3、erzeugnisse aus Sthlen mit hoher Streckgrenze zumKaltumformen Teil 3: Technische Lieferbedingungen fr normalgeglhte oder normalisierend gewalzteSthle;Englische Fassung EN 10149-3:2013,Englische bersetzung von DIN EN 10149-3:2013-12Produits plats lamins chaud en aciers haute limite dlasticit pour for

    4、mage froid Partie 3: Conditions techniques de livraison des aciers ltat normalis ou laminagenormalisant;Version anglaise EN 10149-3:2013,Traduction anglaise de DIN EN 10149-3:2013-12SupersedesDIN EN 10149-3:1995-11www.beuth.deDocument comprises 14 pagesIn case of doubt, the German-language original

    5、shall be considered authoritative.11.13DIN EN 10149-3:2013-12 2 A comma is used as the decimal marker. National foreword This document (EN 10149-3:2013) has been prepared by Technical Committee ECISS/TC 103 “Structural steel other than reinforcements”, (Secretariat: DIN, Germany). The responsible Ge

    6、rman body involved in its preparation was the Normenausschuss Eisen und Stahl (Iron and Steel Standards Committee), Working Committee NA 021-00-04-01 UA Sthle fr den Stahlbau. Amendments This standard differs from DIN EN 10149-3:1995-11 as follows: a) normative references have been updated; b) Claus

    7、e 6 “Classification and designation” has been modified; c) Subclause 7.5.3 “Hot-dip zinc-coating” has been completely revised; d) a Bibliography has been added; e) the standard has been editorially revised. Previous editions DIN EN 10149-3: 1995-11 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM E

    8、N 10149-3 September 2013 ICS 77.140.50 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 dlastici

    9、t pour formage froid - Partie 3: Conditions techniques 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 Europe

    10、an Standard was approved by CEN 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 conc

    11、erning such national standards 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 in

    12、to its own language and notified 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,

    13、Germany, Greece, Hungary, Iceland, 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 KOMITE

    14、E FR NORMUNG CEN-CENELEC Management 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: EEN 10149-3:2013 (E) 2 Contents Page Foreword . 3 1 Scope 4 2 Normative references . 4

    15、 3 Terms and 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 requir

    16、ements . 5 7.1 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 Verific

    17、ation of chemical 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 b

    18、end radii for cold forming . 11 Bibliography 12 DIN EN 10149-3:2013-12 EN 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 sh

    19、all be given the status 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 docume

    20、nt 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 10149-3:1995. In comparison with EN 10149-3:1995, the following significant technical change was made: subclause 7.5.3 was completely re

    21、vised. The titles 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 co

    22、untries are bound 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,

    23、Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 10149-3:2013-12 EN 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

    24、 steels for cold forming. 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 i

    25、n the thickness range of 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 t

    26、he referenced document (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 10149-1:20

    27、13, Hot rolled flat products 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 147

    28、13-2:2009) 3 Terms and 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 gi

    29、ven in EN 10149-1 and Clause 11 shall apply. 5 Dimensions, mass and tolerances 5.1 Dimensions and tolerances The dimensions and tolerances shall be in accordance EN 10149-1. DIN EN 10149-3:2013-12 EN 10149-3:2013 (E) 5 For hot rolled plate tolerances, the basic requirements shall be in accordance wi

    30、th EN 10029, including thickness 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

    31、 with EN 10149-1. 6 Classification 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 requ

    32、irements 7.1 Steel manufacturing 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 desca

    33、led surfaces shall be in accordance 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

    34、, option 3). 7.4 Mechanical 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. DIN EN 10149-3:2013-12 EN 10149-3:2013 (E) 6 7.4.2 Imp

    35、act energy If agreed at the time 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 Formabili

    36、ty 7.5.2.1 General NOTE Recommendations 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.

    37、 7.5.2.2.3 Roll forming The suitability 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 in

    38、fluence of various factors, including 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

    39、with a steel composition (ladle analysis) 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. DIN EN 10149-3:2013-12 EN 10149-3:2013 (E) 11 Annex B (in

    40、formative) Minimum inside bend radii for 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

    41、 0,25t 0,25t 0,5t 0,5t 0,5t 0,5t 1,0t 1,0t 1,0t 1,0t 1,5t aThe values are applicable for bend angles 90. DIN EN 10149-3:2013-12 EN 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 fabricated iron and steel articles Specifications and test methods (ISO 1461) DIN EN 10149-3:2013-12


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