1、BRITISH STANDARDBS EN 10027-1:2005Designation systems for steels Part 1: Steel namesThe European Standard EN 10027-1:2005 has the status of a British StandardICS 77.080.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g
2、40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 10027-1:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2006 BSI 2006ISBN 0 580 46796 1National forewordThis British Standard is the official English la
3、nguage version of EN 10027-1:2005. It supersedes BS EN 10027-1:1992 and PD 6622:1998 which are withdrawn.The UK participation in its preparation was entrusted to Technical Committee ISE/5, Technical delivery conditions, classification and designation of steels, which has the responsibility to:A list
4、 of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogueunder the section entitled “International Standards C
5、orrespondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.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 does no
6、t of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments
7、and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 25 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Da
8、te CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORMEN 10027-1 August 2005 ICS 77.080.20 Supersedes CR 10260:1998, EN 10027-1:1992 English version Designation systems for steels - Part 1: Steel names Systmes de dsignation des aciers - Partie 1: Dsignation symbolique Bezeichnungssysteme fr St
9、hle - Teil 1: Kurznamen This European Standard was approved by CEN on 27 June 2005. 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 an
10、d 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 responsibi
11、lity 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, I
12、taly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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 Bru
13、ssels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10027-1:2005: EEN 10027-1:2005 (E) 2ContentsPage Foreword 41 Scope .52 Normative references .53 Terms and definitions.54 Principles.54.1 A unique steel name .54.2 Formulati
14、on of steel names54.3 Allocation of steel names.54.4 Consultation 65 Reference to product standards 66 Classification of steel names.67 Structure of steel names 67.1 Principal symbols .67.2 Additional symbols.77.3 Steels designated according to their application and mechanical or physical properties
15、 .77.4 Steels designated according to chemical composition.20Table 1 Structural steels. 8Table 1 (continued). 9Table 2 Steels for pressure purposes. 10Table 3 Steels for line pipe. 11Table 4 Steels for engineering 12Table 5 Steels for reinforcing concrete 13Table 6 Steels for prestressing concrete 1
16、4Table 7 Steels for or in the form of rails 15Table 8 Flat products for cold forming (except those in Table 9) 16Table 9 High strength steel flat products for cold forming. 17Table 10 Tin mill products (steel products for packaging). 18Table 11 Electrical steels 19Table 12 - Non-alloy steels (except
17、 free cutting steels) with an average manganese content 50 % Al) coating +CE electrolytic chromium/chromium oxide coating (ECCS) +CU copper coating +IC inorganic coating+OC organic coating +S hot dip tin coating +SE electrolytic tin coating+T hot dip lead tin alloy (terne) coating +TE electrolytic l
18、ead tin alloy (terne) coating +Z hot dip zinc (galvanised) coating +ZA hot dip zinc aluminium ( 50 % Zn) coating +ZE electrolytic zinc coating +ZF hot dip zinc iron (galvannealed) coating +ZN electrolytic zinc nickel alloy coating aSymbols are separated from preceding symbols by the plus sign (+). S
19、ee 7.2. EN10027-1:2005 (E) 25Table 18 Symbols for steel products indicating treatment condition SYMBOL aMEANING +A soft annealed +AC annealed to achieve spheriodised carbides +AR as rolled (without any special rolling and/or heat treatment conditions) +AT solution annealed +C cold work hardened +Cnn
20、n cold work hardened with a minimum tensile strength of nnn MPa b+CPnnn cold work hardened with a minimum 0.2% proof strength of nnn MPa b+CR cold rolled +DC delivery condition at manufacturers discretion +FP treated to ferritic-pearlite structure and hardness range +HC hot rolled followed by cold h
21、ardening +I isothermically treated +LC skin passed (temper rolled or cold drawn) +M thermomechanically formed +N normalised or normalised formed +NT normalised and tempered +P precipitation hardened+Q quenched +QA air quenched +QO oil quenched +QT quenched and tempered +QW water quenched +RA recryst
22、allisation annealed +S treated for cold shearing +SR stress relieved +T tempered+TH treatment to hardness range +U untreated+WW warm worked aSymbols are separated from preceded symbols by the plus sign (+). See 7.2. b1 MPa = 1 N/mm2.BS EN 10027-1:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British
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