DIN EN 10111-2008 Continuously hot rolled low carbon steel sheet and strip for cold forming - Technical delivery conditions English version of DIN EN 10111 2008-06《冷加工成型的连续热轧低碳钢带和薄.pdf

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DIN EN 10111-2008 Continuously hot rolled low carbon steel sheet and strip for cold forming - Technical delivery conditions English version of DIN EN 10111 2008-06《冷加工成型的连续热轧低碳钢带和薄.pdf_第1页
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1、June 2008DEUTSCHE NORM English price group 9No part of this standard 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).ICS 77.140.50!$PAC“1453032www.

2、din.deDDIN EN 10111Continuously hot rolled low carbon steel sheet and strip for coldforming Technical delivery conditionsEnglish version of DIN EN 10111:2008-06Kontinuierlich warmgewalztes Band und Blech aus weichen Sthlen zum Kaltumformen Technische LieferbedingungenEnglische Fassung DIN EN 10111:2

3、008-06SupersedesDIN EN 10111:1998-03www.beuth.deDocument comprises 14 pagesDIN EN 10111:2008-06 2 National foreword This standard has been prepared by Technical Committee ECISS/TC 13 “Flat products for cold working Qualities, dimensions, tolerances and specific tests” (Secretariat: NBN, Belgium). Th

4、e responsible German bodies involved in its preparation was the Normenausschuss Eisen und Stahl (Steel and Iron Standards Committee), Technical Subcommittee NA 021-00-01-01 UA Flacherzeugnisse aus Stahl zum Kaltumformen. Amendments This standard differs from DIN EN 10111:1998-03 as follows: a) Claus

5、e 3 “Terms and definitions”, Clause 6.6 “Retests” and Clause 9 “Storage and transportation” have been added. b) Table 2 “ Permissible deviations of the product analysis from the specified limits of the ladle analysis” has been deleted. c) Table 1 “Characteristics” has been revised (Bend test radius

6、deleted and e 1,5 mm added for 1,0 mm e under minimum elongation after fracture (%) at Lo= 80 mm). d) In Clause 6 “Tests”, reference to EN ISO 14284 has been added for the determination of the chemical composition (6.5.2). e) Clause 6.6 “Interpretation of results” has been deleted. f) Requirements f

7、or storage and transportation have been specified. g) Mandatory information (11.1) and Options (11.2) have been added with Clause 11 “Information to be provided by the purchaser at the time of enquiry and order”. h) Annex A “Corresponding former steel designations” has been deleted. i) The standard

8、has been editorially revised. Previous editions DIN 1614-1: 1974-09 DIN 1614-2: 1986-03 DIN EN 10111: 1998-03 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10111 April 2008 ICS 77.140.50 Supersedes EN 10111:1998 English Version Continuously hot rolled low carbon steel sheet and strip for cold

9、 forming - Technical delivery conditions Tles et bandes en acier doux lamines chaud en continu pour formage froid - Conditions techniques de livraison Kontinuierlich warmgewalztes Band und Blech aus weichen Sthlen zum Kaltumformen - Technische Liefer-bedingungen This European Standard was approved b

10、y CEN on 29 February 2008. 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 sta

11、ndards 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

12、 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,

13、 Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of explo

14、itation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10111:2008: EEN 10111:2008 (E) 2 Contents Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Classification and designation.5 4.1 Classification5 4.2 Designation 5 5 Requirements.5 5.

15、1 Steelmaking and manufacturing processes .5 5.2 Deoxidation 5 5.3 Chemical composition 5 5.4 Delivery conditions5 5.5 Mechanical properties.6 5.6 Surface characteristics .6 5.7 Suitability for surface coating 6 5.8 Weldability7 5.9 Tolerances on dimensions and shape 7 6 Tests9 6.1 General9 6.2 Insp

16、ection units .9 6.3 Number of tests9 6.4 Sampling.9 6.5 Test methods10 6.6 Retests 10 6.7 Inspection document.10 7 Marking .10 8 Packing .11 9 Storage and transportation.11 10 Disputes11 11 Information to be provided by the purchaser at the time of enquiry and order11 11.1 Mandatory information11 11

17、.2 Options .11 Bibliography 12 DIN EN 10111:2008-06 Page EN 10111:2008 (E) 3 Foreword This document (EN 10111:2008) has been prepared by Technical Committee ECISS/TC 13 “Flat products for cold working - Qualities, dimensions, tolerances and specific tests”, the secretariat of which is held by NBN. T

18、his 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 October 2008, and conflicting national standards shall be withdrawn at the latest by October 2008. This document supersedes EN 10111:1998. Attention

19、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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the f

20、ollowing countries are bound to implement this European Standard: 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,

21、Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 10111:2008-06 EN 10111:2008 (E) 4 1 Scope This European Standard specifies the grades of continuously hot rolled low carbon steel sheet and strip (in coils) for cold forming. Depending on its actual width, strip is classified as: ho

22、t rolled wide strip if its width is greater than or equal to 600 mm; hot rolled slit wide strip if its width is less than 600 mm. For each grade, it specifies the chemical composition and the mechanical properties. This European Standard is applicable to products of thickness not less than 1,0 mm an

23、d not exceeding 11 mm. This European Standard is not applicable to products covered by other standards, such as: hot rolled products of non-alloy structural steels for general use (see EN 10025 all parts); steel sheet for pressure purposes (see EN 10028 all parts); steel sheet for welded gas cylinde

24、rs (see EN 10120); quenched and tempered steels (see EN 10083-1 and EN 10083-2). 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 re

25、ferenced document (including any amendments) applies. EN 10002-1, Metallic materials Tensile testing Part 1: Method of test at ambient temperature EN 10021, General technical delivery requirements for steel products EN 10027-1, Designation systems for steels - Part 1: Steel names EN 10027-2, Designa

26、tion systems for steels Part 2: Numerical system EN 10051, Continuously hot-rolled uncoated plate, sheet and strip of non-alloy and alloy steels - Tolerances on dimensions and shape EN 10079, Definition of steel products EN 10204, Metallic products Types of inspection documents EN ISO 14284, Steel a

27、nd iron - Sampling and preparation of samples for the determination of chemical composition (ISO 14284:1996) 3 Terms and definitions For the purposes of this European Standard, the terms and definitions of hot rolled flat products are those given in EN 10079. DIN EN 10111:2008-06 EN 10111:2008 (E) 5

28、 4 Classification and designation 4.1 Classification The choice of steel grade and product type is left to the purchaser. For this choice, the purchaser may be advised by the manufacturer, but without any liability on the part of the latter, unless agreed at the time of enquiry and order. Hot rolled

29、 products are classified into four grades DD11, DD12, DD13 and DD14 defined by chemical composition, mechanical and forming characteristics (see Table 1). 4.2 Designation 4.2.1 The steel names are in compliance with EN 10027-1; the steel numbers, with EN 10027-2. 4.2.2 Products conforming to this Eu

30、ropean Standard shall be designated, in order, in the following way: a) product designation (e.g. “strip”, “sheet” or “slit strip cut longitudinally”) in line with EN 10079; b) number of this European Standard (EN 10111); c) symbolic or numerical designation of the steel (see Table 1). EXAMPLE Strip

31、 EN 10111 DD13 or Strip EN 10111 1.0335 5 Requirements 5.1 Steelmaking and manufacturing processes Unless otherwise agreed at the time of enquiry and order, the steelmaking and manufacturing processes are left to the discretion of the manufacturer. The purchaser shall be informed of these processes

32、if he specifies it. 5.2 Deoxidation For grade DD11 the method of deoxidation shall be at the manufacturers discretion. Grades DD12, DD13 and DD14 shall be fully killed. 5.3 Chemical composition Table 1 gives the permissible chemical composition limits in the cast. 5.4 Delivery conditions 5.4.1 The p

33、roducts shall usually be delivered with their surface as rolled. By agreement at the time of enquiry and order, the products may be delivered with descaled surface. When they are delivered as rolled, they are covered with a thin layer of scale of variable coloration. The products may be supplied wit

34、h a light skin-pass, either at the manufacturers discretion or by agreement at the time of enquiry and order. DIN EN 10111:2008-06 EN 10111:2008 (E) 6 5.4.2 The descaled products are usually delivered oiled. In this case, both surfaces are preserved by a layer of neutral non-drying oil, free of impu

35、rities, and uniformly spread in such a way that under normal conditions of packaging, transportation, handling and storage the products will show no corrosion for up to three months from the date on which the products are made available. The date of availability shall be notified to the purchaser wi

36、th reasonable prior notice compatible with the validity of corrosion resistance. The layer of oil shall be capable of being removed by alkaline solutions or usual solvents. The choice of protective oils may be subject to special agreement at the time of enquiry and order. If the conditions of transp

37、ortation or storage are such that special protection against corrosion is required, the purchaser shall inform the manufacturer at the time of enquiry and order. If the purchaser does not require the surfaces to be oiled, this shall be clearly indicated at the time of enquiry and order. NOTE If the

38、order is for unoiled products, the manufacturer is not responsible for the risk of corrosion. The purchaser is also advised that there is a greater risk of the appearance of light scratches during handling, transportation and putting into application. 5.4.3 Descaled products may be supplied with tri

39、mmed edges upon agreement at the time of enquiry and order (designation GK following EN 10051). 5.5 Mechanical properties Table 1 gives the basic mechanical properties valid for the four grades. They correspond to the increasing formability in the order DD11 to DD14. The characteristics indicated in

40、 Table 1 are valid for the period specified in the same Table 1, from the date on which the products are made available. The date of availability shall be notified to the purchaser with reasonable prior notice compatible with the validity of the mechanical properties. Subject to special agreement, t

41、he products may be supplied with special suitability for the production of a specific part. In this case, a maximum rejection percentage may be set by mutual agreement and acceptance on the basis of mechanical properties does not apply. 5.6 Surface characteristics The sheets shall be free of slivers

42、, blow holes, seams, cracks or scratches which would adversely affect their use. Pores, small pits, small marks, small scratches, kinks from pay-off reels and a slight coloration are permitted. The defects shall not be of such an extent that they might run the risk of causing failure or damage to to

43、oling or welding difficulties when in use. The surface quality of the unwound coil is assessed as for sheets. However, the percentage of surface defects is generally greater than when supplied in sheets. The maximum percentage of permissible rejections shall be fixed by special agreement at the time

44、 of enquiry and order. 5.7 Suitability for surface coating The products may be intended for metallic coating by the hot dipping or electrodeposition and/or organic or other coatings. When such a coating is required, it shall be specified at the time of enquiry and order. DIN EN 10111:2008-06 EN 1011

45、1:2008 (E) 7 5.8 Weldability The products are suitable for standard welding processes. However, the welding process and possible specific requirements of the resulting welded component should be specified at the time of enquiry and order, e.g. gas welding, structural safety requirements. For non-des

46、caled products, the welding process shall take into account the presence of a layer of scale. 5.9 Tolerances on dimensions and shape The tolerances on dimensions and shape are given in EN 10051 DIN EN 10111:2008-06 EN 10111:2008 (E) 8 Table 1 Characteristics aMechanical properties cLadle analysis ch

47、emical composition b ReLdMinimum elongation after fracture Validity Rm L0= 80 mm L0 = 5,650SSteel name Steel number Method of deoxidation C max.% Mn max.% P max.% S max.% 1,0 mm e e 2 mmMPa 2 mm e e 11 mm MPa max.MPa 1,0 mm e e 1,5 mm % 1,5 mm ee 2 mm% 2 mm ee 3 mm% 3 mm e e 11 mm % months DD11 DD12

48、 DD13 DD14 1.0332 1.0398 1.0335 1.0389 At the discretion of the manufacturer Fully killed Fully killed Fully killed 0,120,10 0,08 0,08 0,600,45 0,40 0,35 0,0450,0350,0300,0250,0450,0350,0300,025170 to 360170 to 340 170 to 330 170 to 310 170 to 340 170 to 320 170 to 310 170 to 290 440 420 400 380 22

49、24 27 30 23 25 28 31 24 26 29 32 28 30 33 36 6 6 6 NOTE 1 MPa = 1 N/mm2. aThe mechanical characteristics relate only to hot rolled non-descaled or chemically descaled and oiled products, skin-passed or not. bUnless otherwise agreed at the time of enquiry and order, nitrogen-fixing elements such as titanium and boron may be added at the discretion of the manufacturer. cAs long as the width of the product permits, the test pieces for the tensile tests shall be taken transverse to the direction of rolling. dRp0,2shall be

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