【BS标准word原稿】BS EN 102771 Bright steel products — Technical delivery conditions — Part 1.doc

豆丁网：Licensed copy:PONTYPRIDD COLLEGE, 31/05/2008, Uncontrolled Copy, © BSIBRITISH STANDARDBS EN10277-1:2008Bright steel products Technical delivery conditions Part 1: GeneralICS 77.140.60 BS EN 10277-1:2008National forewordThis British Standard is the UK implementation of EN 10277-1:2008. It supersedes BS EN 10277-1:1999 which is withdrawn.The UK participation in its preparation was entrusted to Technical CommitteeISE/31, Wrought steels.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Licensed copy:PONTYPRIDD COLLEGE, 31/05/2008, Uncontrolled Copy, © BSIThis British Standard was published under the authorityStrategy Committee on 30 April 2008© BSI 2008ISBN 978 0 580 52920 7Amendments/corrigenda issued since publicationDateCommentsEUROPEAN STANDARD NORME EUROPÉENNEEUROPÄISCHE NORMEN 10277-1March 2008ICS 77.140.60Supersedes EN 10277-1:1999English VersionBright steel products - Technical delivery conditions - Part 1: GeneralProduits en acier transformés à froid - Conditions techniques de livraison - Partie 1: GénéralitésBlankstahlerzeugnisse - Technische Lieferbedingungen - Teil 1: AllgemeinesThis European Standard was approved by CEN on 4 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 standards 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 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, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I TÉ EUR O P ÉEN DE NOR M A L I S A TI ON EUR O P Ä I S C H ES KOM I TEE F Ü R NOR M UNG Management Centre: rue de Stassart, 36 B-1050 BrusselsLicensed copy:PONTYPRIDD COLLEGE, 31/05/2008, Uncontrolled Copy, © BSI© 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 10277-1:2008: EBS EN 10277-1:2008EN 10277-1:2008 (E)Licensed copy:PONTYPRIDD COLLEGE, 31/05/2008, Uncontrolled Copy, © BSIContentsPageForeword.31Scope .42Normative references .43Terms and definitions .54Classification and designation .64.1Classification.64.2Designation .65Information to be supplied by the purchaser .65.1Mandatory information .65.2Options .76Manufacturing process .76.1Steel making process .76.2Manufacture of the product .86.3Delivery conditions.87Requirements .87.1Chemical composition .87.2Mechanical properties .87.3Hardenability .87.4Grain size .97.5Non-metallic inclusions .97.6Decarburization .97.7Surface condition.97.8Internal soundness .107.9Dimensions, shape and tolerances.108Inspection and testing.108.1Types and contents of inspection documents .108.2Specific inspection .119Marking .11Annex A (normative) Ruling section for mechanical properties .13Annex B (normative) Options .16Bibliography .1817Licensed copy:PONTYPRIDD COLLEGE, 31/05/2008, Uncontrolled Copy, © BSIForewordThis document (EN 10277-1:2008) has been prepared by Technical Committee ECISS/TC 23 “Steels for heat treatment, alloy steels and free-cutting steels - Qualities and dimensions”, 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 September 2008, and conflicting national standards shall be withdrawn at the latest by September 2008.Attention 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.This document supersedes EN 10277-1:1999.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following 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, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.This European Standard EN 10277 'Bright steel products - Technical delivery conditions' is subdivided as follows:Part 1: General;Part 2: Steels for general engineering purposes; Part 3: Free-cutting steels;Part 4: Case hardening steels;Part 5: Steels for quenching and tempering.During the preparation of the first edition of this European Standard there were not enough statistical data available concerning mechanical properties of bright bar products. Since then it has been recognized that the proof strength values in the cold drawn condition were too high. In addition, cyclic stresses that occur during straightening can reduce the proof strength (Bauschinger's effect), which was not taken into account when drafting the first edition of this standard. In this second edition the proof strength values of non-alloy and alloy grades in condition +QT+C in parts 3 and 5 have been adjusted downwards compared to the first edition.Licensed copy:PONTYPRIDD COLLEGE, 31/05/2008, Uncontrolled Copy, © BSI1ScopeThis part of EN 10277 specifies the general technical delivery conditions for bright steel bars in the drawn, turned or ground condition, in straight lengths and of the following steel types:a)steels for general engineering purposes as specified in EN 10277-2;b)free-cutting steels as specified in EN 10277-3;c)case hardening steels as specified in EN 10277-4;d)steels for quenching and tempering as specified in EN 10277-5.It does not cover cold rolled products and cut lengths produced from strip or sheet by cutting.In special cases variations in these technical delivery requirements or additions to them may form the subject of an agreement at the time of enquiry and order (see Annex B).In addition to the specifications of this European Standard, the general technical delivery requirements ofEN 10021 are applicable, unless otherwise specified.2Normative referencesThe 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.EN 606, Bar coding - Transport and handling labels for steel productsEN 10002-1, Metallic materials - Tensile testing - Part 1: Method of test at ambient temperatureEN 10020:2000, Definition and classification of grades of steelEN 10021, General technical delivery conditions for steel productsEN 10027-1, Designation systems for steels - Part 1: Steel namesEN 10027-2, Designation systems for steels - Part 2: Numerical systemEN 10052, Vocabulary of heat treatment terms for ferrous productsEN 10079:2007, Definition of steel productsEN 10083-2, Steels for quenching and tempering Part 2: Technical delivery conditions for non alloy steelsEN 10083-3, Steels for quenching and tempering Part 3: Technical delivery conditions for alloy steelsEN 10084, Case hardening steels Technical delivery conditionsEN 10204, Metallic products - Types of inspection documentsprCEN/TR 10261, Iron and steel - Review of available methods of chemical analysisEN 10277-2, Bright steel products - Technical delivery conditions - Part 2: Steels for general engineering purposesLicensed copy:PONTYPRIDD COLLEGE, 31/05/2008, Uncontrolled Copy, © BSIEN 10277-3, Bright steel products - Technical delivery conditions - Part 3: Free-cutting steelsEN 10277-4, Bright steel products - Technical delivery conditions - Part 4: Case-hardening steelsEN 10277-5, Bright steel products - Technical delivery conditions - Part 5: Steels for quenching and temperingEN 10278, Dimensions and tolerances of bright steel productsEN ISO 377, Steel and steel products - Location and preparation of samples and test pieces for mechanical testing (ISO 377:1997)EN ISO 643, Steels - Micrographic determination of the apparent grain size (ISO 643:2003)EN ISO 3887, Steels - Determination of depth of decarburization (ISO 3887:2003)EN ISO 6506-1, Metallic materials - Brinell hardness test - Part 1: Test method (ISO 6506-1:2005)EN ISO 14284, Steel and iron - Sampling and preparation of samples for the determination of chemical composition (ISO 14284:1996)3Terms and definitionsFor the purposes of this European Standard, the terms and definitions given in EN 10021:2006, EN ISO377:1997, EN ISO 14284:2002 and the following apply.3.1non-alloy and alloy steel; quality and special steelsee the terms and definitions in EN 10020:20003.2steel productssteel products are defined according to their shape and dimensions in EN 10079. In particular the following definitions are reproduced3.2.1drawn products (3.4.5.1, EN 10079:2007)products of various cross section shapes obtained, after descaling, by drawing of hot rolled bars or rod on a draw bench (cold deformation without removing material)NOTEThis operation gives the product special features with respect to shape, dimensional accuracy and surface finish. In addition, the process causes cold working of the product, which can be eliminated by subsequent heat treatment. Products in lengths are delivered straightened regardless of size.3.2.2turned products (3.4.5.2, EN 10079:2007)round bars produced by turning