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    BS EN 10027-1-2016 Designation systems for steels Steel names《钢的命名体系 钢牌号》.pdf

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    BS EN 10027-1-2016 Designation systems for steels Steel names《钢的命名体系 钢牌号》.pdf

    1、BS EN 10027-1:2016Designation systems for steelsPart 1: Steel namesBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 10027-1:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 10027-1:2016. It supersedes BS EN 10027-1:2005

    2、which is withdrawn.BSI, as a member of CEN, is obliged to publish EN 10027-1:2016 as a British Standard. However, attention is drawn to the fact that during the development of this European Standard, the UK committee voted against its approval as a European Standard.The UK committee suggested that a

    3、mendments be made to Table 1 of EN 10027-1:2016 to address the differences in mechanical and physical properties between hot-finished and cold-formed structural hollow sections. Currently, despite there being different design rules for these products within Eurocode 3 Design of Steel Structures and

    4、Eurocode 4 Design of Composite and Steel Structures, both hot-finished and cold-formed hollow sections have exactly the same steel names. The UK proposal was for this to be changed to enable a clear differentiation between the two products and hence eliminate any danger that an incorrect product mig

    5、ht be supplied or used in a structure. However, as the changes requested by the UK committee were not adopted, the committee advises users of structural hollow sections to apply suitable checks to ensure that they have been supplied with the correct products, which are properly CE marked and certifi

    6、ed in accordance with the European Commission Construction Products Regulation.The UK participation in its preparation was entrusted to Technical Committee ISE/100, Steel, General Issues.A list of organizations represented on this committee can be obtained on request to its secretary.This publicatio

    7、n does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 88369 9ICS 77.080.20Compliance with a British Standard cannot confer immunity from

    8、 legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 10027-1:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10027-1 Octob

    9、er 2016 ICS 77.080.20 Supersedes EN 10027-1:2005English Version Designation systems for steels - Part 1: Steel names Systmes de dsignation des aciers - Partie 1: Dsignation symbolique Bezeichnungssysteme fr Sthle - Teil 1: Kurznamen This European Standard was approved by CEN on 15 July 2016. CEN mem

    10、bers 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 applicat

    11、ion 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 notified to the CEN-CENELEC Manage

    12、ment 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, Iceland, Ireland, Italy, Latvia,

    13、 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 Management Centre: Avenue Marnix

    14、17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10027-1:2016 EBS EN 10027-1:2016Contents Page European foreword . 4 1 Scope 5 2 Normative references 5 3 Terms and definitions . 5 4 Principles . 5 4.1 A uniq

    15、ue steel name . 5 4.2 Formulation of steel names . 5 4.3 Allocation of steel names 6 4.4 Consultation 6 5 Reference to product standards 6 6 Classification of steel names . 6 7 Structure of steel names . 6 7.1 Principal symbols 6 7.2 Additional symbols . 7 7.3 Steels designated according to their ap

    16、plication and mechanical or physical properties 7 7.4 Steels designated according to chemical composition . 23 Tables Table 1 Structural steels 8 Table 2 Steels for pressure purposes . 10 Table 3 Steels for line pipe . 12 Table 4 Steels for engineering 13 Table 5 Steels for reinforcing concrete 14 T

    17、able 6 Steels for prestressing concrete. 15 Table 7 Steels for or in the form of rails 16 Table 8 Flat products for cold forming (except those in Table 9) . 18 Table 9 High strength steel flat products for cold forming 19 Table 10 Tin mill products (steel products for packaging) . 21 Table 11 Electr

    18、ical steels 22 Table 12 Non-alloy steels (except free cutting steels) with an average manganese content 1 % . 23 Table 13 Non-alloy steels with an average manganese content 1 %, non-alloy free-cutting steels and alloy steels (except high speed steels) where the content, by weight, of every average a

    19、lloying element is 5 % . 25 Table 14 Stainless steels and other alloy steels (except high speed steels) where the average content by weight of at least one alloying element is 5 % . 27 Table 15 High speed steels 29 Table 16 Symbols for steel products indicating special requirements . 30 EN 10027-1:2

    20、016 (E)BS EN 10027-1:2016Table 17 Symbols for steel products indicating type of coating 30 Table 18 Symbols for steel products indicating treatment condition . 31 EN 10027-1:2016 (E)BS EN 10027-1:2016European foreword This document (EN 10027-1:2016) has been prepared by Technical Committee ECISS/TC

    21、100 “Iron and steel - General issues”, the secretariat of which is held by BSI. 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 April 2017, and conflicting national standards shall be withdrawn at

    22、 the latest by April 2017. This document supersedes EN 10027-1:2005. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Int

    23、ernal Regulations, the national standards organisations of the following countries 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,

    24、Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 10027-1:2016 (E)BS EN 10027-1:20161 Scope 1.1 This European Standard specifies rules for designating steels by means

    25、 of symbolic letters and numbers to express application and principal characteristics, e.g. mechanical, physical, chemical, so as to provide an abbreviated identification of steels. NOTE In the English language the designations covered by this European Standard are known as “steel names”; in the Fre

    26、nch language as “designation symbolique”; in the German language as “Kurznamen”. 1.2 This European Standard applies to steels specified in European Standards (EN), Technical Specifications (TS), Technical Reports (TR) and CEN members national standards. 1.3 These rules may be applied to non-standard

    27、ized steels. 1.4 A system of numerical designation of steels known as steel numbers is specified in EN 10027-2. 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 e

    28、dition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 10020:2000, Definition and classification of grades of steel EN 10027-2, Designation systems for steels - Part 2: Numerical system EN 10079:2007, Definition of steel pro

    29、ducts 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 10020:2000 and EN 10079:2007 apply. 4 Principles 4.1 A unique steel name There shall be one unique steel name for each steel. 4.2 Formulation of steel names Steel names allocated in accordance with

    30、 this European Standard shall comprise principal symbols as specified in 7.1. In order to avoid ambiguity, it may be necessary to supplement these principal symbols by additional symbols identifying additional characteristics of the steel or steel product, e.g. suitability for use at high or low tem

    31、peratures, surface condition, treatment condition, de-oxidation. These additional symbols are given in 7.2. EN 10027-1:2016 (E)BS EN 10027-1:2016Unless otherwise specified in this European Standard the symbols used in the steel name shall be written without spaces. 4.3 Allocation of steel names 4.3.

    32、1 For steels specified in European Standards (EN), Technical Specifications (TS) and Technical Reports (TR), steel names shall be allocated by the ECISS Technical Committee concerned. 4.3.2 For steels specified in CEN members national standards and for other steels, steel names shall be allocated by

    33、 or under the responsibility of the national standards body concerned. So as to avoid a variety of steel names being assigned to essentially the same steel, the European Registration Office as provided for in EN 10027-2 shall, when a steel number is applied for, cooperate with the national standards

    34、 body concerned to ensure uniform steel names. 4.4 Consultation Where there are difficulties or disputes in establishing steel names ECISS/TC100 shall be consulted and shall advise accordingly. 5 Reference to product standards The complete designation of a steel product where quoted in orders or sim

    35、ilar contractual documents shall include, in addition to the steel name, an indication of the technical delivery requirement in which the steel is specified. For steels specified in standards this shall be the reference number of the relevant product standard. Details of the structures of the steel

    36、name for the steel or steel product shall be provided in the relevant product or dimensional standard. 6 Classification of steel names For the purposes of designation, steel names are classified into two main categories: Category 1: steels designated according to their application and mechanical or

    37、physical properties (see 7.3). Category 2: steels designated according to their chemical composition (see 7.4). 7 Structure of steel names 7.1 Principal symbols Principal symbols for steels designated according to steel application and its mechanical and physical properties shall be assigned in acco

    38、rdance with 7.3. Principal symbols for steels designated according to the chemical composition of the steel shall be assigned in accordance with 7.4. Where a steel is specified in the form of a steel casting, its name as specified in Tables 1 to 15 shall be preceded by the letter G. Where a steel is

    39、 produced by powder metallurgy, its name as specified in Tables 14 and 15 shall be preceded by the letters PM. EN 10027-1:2016 (E)BS EN 10027-1:20167.2 Additional symbols Additional symbols may be added to the principal symbols and assigned in accordance with 7.3 and 7.4. Additional symbols are divi

    40、ded into two groups, i.e. group 1 and group 2 (see 7.3 and 7.4). If the symbols for group 1 are inadequate to describe the steel fully, then additional symbols from group 2 may be added. Symbols of group 2 shall only be used in conjunction with and follow symbols of group 1. Further additional symbo

    41、ls for steel products may follow the additional symbols of group 1 and group 2 and shall be selected in accordance with 7.3 and 7.4 from Tables 16, 17 and 18. These symbols shall be separated from preceding symbols by the plus sign (+). Additional symbols selected from Tables 16, 17 and 18 may be ad

    42、ded to steel numbers allocated in accordance with EN 100272 and, when used, separated from the steel number by the plus sign (+). 7.3 Steels designated according to their application and mechanical or physical properties The designation of steel according to their application and mechanical or physi

    43、cal properties shall be made in accordance with Table 1 to Table 11. EN 10027-1:2016 (E)BS EN 10027-1:2016Table 1 Structural steels Principal symbols Additional symbols Letter Mechanical property For steel For steel product Group 1 bGroup 2 c dG = steel casting (where necessary) S = structural steel

    44、 nnn = specified minimum yield strength ein MPa ffor the smallest thickness range Impact property Energy Joules (J) Test tempe-rature C = Special cold forming D = Hot dip coating E = Enamelling F = Forgings H = Hollow section L = Low temperature M = Thermomechanically rolled N = Normalized or normal

    45、ized rolled P = Sheet piling Q = Quenched and tempered S = Ship building T = Tubes W = Weather resistant an = Chemical symbol of specified additional elements, e.g. Cu, together, wherenecessary, with a single digit representing 10 the average (rounded to 0,1 %) of that specified range of the content

    46、 of that element Tables 16, 17 and 18 27J 40J 60J C JR KR LR 20 J0 K0 L0 0 J2 K2 L2 20 J3 K3 L3 30 J4 K4 L4 40 J5 K5 L5 50 J6 K6 L6 60 A = Precipitation hardening M = Thermomechanically rolled N = Normalized or normalized rolled Q = Quenched and tempered G = Other characteristics followed, where nec

    47、essary by 1 or 2 digits Key 1 = Principal symbols 2 = Additional symbols for steel 3 = Additional symbols for steel products an = numerical characters, a = alpha characters, an = alphanumeric characters. bSymbols A, M, N and Q in Group 1 apply to fine grain steels. cSymbols of Group 2, other than ch

    48、emical symbols, may be suffixed by one or two digits in order to distinguish EN 10027-1:2016 (E)BS EN 10027-1:2016between qualities in accordance with the relevant product standard. dIf two of the symbols of this Group are needed the chemical symbol shall be the last one. eThe term “yield strength”

    49、refers to upper or lower yield strength (ReH) or (ReL) or proof strength (Rp), or proof strength total extension (Rt) depending on the requirement specified in the relevant product standard. f1 MPa = 1 N/mm2.Table 1 (continued) Examples of steel names for structural steels Standard Steel name according to EN 100271 EN 100252 S235JR S355JR S355J0 S355J2 S355K2 S450J0 EN 100253 S355N S355NL EN 100254 S355M S355ML EN 100255 S235J0W S235J2W S355J0WP S355J2WP S355J0W S355J2W S355K2W EN 100256 S460Q S460QL S460QL1 EN 1


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