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1、BRITISH STANDARD BS EN 10088-3:1995 Stainless steels Part 3: Technical delivery conditions for semi-finished products, bars, rods and sections for general purposes The European Standard EN 10088-3:1995 has the status of a British Standard ICS 77.140.20; 77.140.50 BS EN 10088-3:1995 This British Stan
2、dard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 November 1995 BSI 11-1998 The following BSI references relate to the work on this standard: Committee reference ISE/31 Draft for commen
3、t 93/305487 DC ISBN 0 580 24699 X Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ISE/31, Wrought steels, upon which the following bodies were represented: Associated Offices Technical Committee British Chain Manufacturer
4、s Association British Coal Corporation British Forging Industry Association British Industrial Fasteners Federation British Railways Board British Steel Industry Cold Rolled Sections Association Department of Trade and Industry (National Physical Laboratory) Engineering Industries Association Federa
5、tion of British Engineers Tool Manufacturers Lloyds Register of Shipping Ministry of Defence National Association of Steel Stockholders Road Vehicle Spring Society Society of Motor Manufacturers and Traders Limited Stainless Steel Fabricators Association of Great Britain Amendments issued since publ
6、ication Amd. NoDateComments BS EN 10088-3:1995 BSI 11-1998i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 10088-3 5 List of references Inside back cover BS EN 10088-3:1995 ii BSI 11-1998 National foreword This Part of BS EN 10088 has been prepared
7、 by Technical Committee ISE/31 and is the English language version of EN 10088-3 Stainless steels Part 3: Technical delivery conditions for semi-finished products, bars, rods and sections for general purposes published by the European Committee for Standardization (CEN). Together with BS EN 10088-1
8、and BS EN 10088-2, this Part of BS EN 10088 partially supersedes BS 970-1:1991, which has been amended. This Part of BS EN 10088 should be used in preference to BS 970-1 whenever applicable. Work is continuing in Europe to prepare standards covering boron steels and surface quality. A British Standa
9、rd does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toCorresponding Bri
10、tish Standard EN 10002-1:1990 EN 10002-5:1991 EN 10021:1993 BS EN 10002 Tensile testing of metallic materials Part 1:1990 Method of test at ambient temperature Part 5:1992 Method of test at elevated temperatures BS EN 10021:1993 General technical delivery requirements for steel and iron products EN
11、10027-1:1992 EN 10027-2:1992 BS EN 10027 Designation systems for steels Part 1:1992 Steel names, principal symbols Part 2:1992 Steel numbers EN 10045-1:1990 EN 10052:1993 BS EN 10045 Charpy impact test on metallic materials Part 1:1990 Test method (V- and U-notches) BS EN 10052:1994 Vocabulary of he
12、at treatment terms for ferrous products EN 10079:1992 EN 10088-1:1995 BS EN 10079:1993 Definition of steel products BS EN 10088 Stainless steels Part 1:1995 List of stainless steels EURONORM 114BS 5903:1980 Method for determination of resistance to intergranular corrosion of austenitic stainless ste
13、els: copper sulphate sulphuric acid method (Moneypenny Strauss test) EN 10204:1991BS EN 10204:1991 Metallic products. Types of inspection documents Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 42, an inside back cover an
14、d a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10088-3 April 1995 ICS 77.140.20; 77.140.50 Descriptors: Iron an
15、d steel products, hot-rolled products, drawing: forming process, semi-finished products, metal bars, wire rod, metal sections, stainless steels, delivery, designation, dimensions, dimensional tolerances, chemical composition, grades: quality, classifications, mechanical properties, tests marking Eng
16、lish version Stainless steels Part 3: Technical delivery conditions for semi-finished products, bars, rods and sections for general purposes Aciers inoxydables Partie 3: Conditions techniques de livraison pour les demi-produits, barres, fils machine et profils pour usage gnral Nichtrostende Sthle Te
17、il 3: Technische Lieferbedingungen fr Halbzeug, Stbe, Walzdraht und Profile fr allgemeine Verwendung This European Standard was approved by CEN on 1995-02-28. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard th
18、e 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German
19、). A version in any other language made by translation under the responsibility 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, Denmark, Finland, France, Ger
20、many, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1995 All
21、rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members. Ref. No. EN 10088-3:1995 E EN 10088-3:1995 BSI 11-1998 2 Foreword This European Standard has been prepared by SC 1, Stainless steels, of Technical Committee ECISS/TC 23, Steels for
22、 treatment, alloy steels and free-cutting steels Qualities, of which the secretariat is held by DIN. This European Standard replaces: EU 88-1:1986, Stainless steels Part 1: Technical delivery conditions for bars, wire rod and forgings. This European Standard shall be given the status of a national s
23、tandard, either by publication of an identical text or by endorsement, at the latest by October 1995. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Irelan
24、d, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. Contents Page Foreword2 1 Scope 5 2 Normative references 5 3 Definitions 5 3.1 Stainless steels 5 3.2 Product forms 5 3.3 Types of heat treatment 5 4 Dimensions and tolerances on dimensions 5 5 Calculati
25、on of mass and tolerances on mass 5 6 Designation and ordering 6 6.1 Designation of steel grades 6 6.2 Designation to be used on ordering 6 7 Classification of grades 6 8 Requirements 6 8.1 Production process 6 8.2 Delivery condition 6 8.3 Chemical composition 6 8.4 Chemical corrosion properties 6 8
26、.5 Mechanical properties 6 8.6 Surface quality 7 8.7 Internal soundness 7 9 Testing 7 9.1 General 7 9.2 Agreement on tests and inspection documents 7 9.3 Specific inspection and testing 7 9.4 Test methods 8 9.5 Retests 8 10 Marking 8 Annex A (informative) Guidelines for further treatment (including
27、heat treatment) in fabrication 37 Annex B (informative) Applicable dimensional standards 42 Annex C (informative) Bibliography 42 Figure 1 Position of test pieces for steel bars and rods 160 mm diameter or thickness (longitudinal test pieces)34 Figure 2 Position of test pieces for steel bars 160 mm
28、diameter or thickness (transverse test pieces)35 Figure 3 Position of test pieces for beams, channels, angles, T sections and Z sections36 EN 10088-3:1995 BSI 11-19983 Page Table 1 Chemical composition (cast analysis) of ferritic stainless steels9 Table 2 Chemical composition (cast analysis) of mart
29、ensitic and precipitation-hardening stainless steels10 Table 3 Chemical composition (cast analysis) of austenitic stainless steels12 Table 4 Chemical composition (cast analysis) of austenitic-ferritic stainless steels15 Table 5 Permissible product analysis tolerances on the limiting values given in
30、table 1 to Table 4 for the cast analysis16 Table 6 Type of process route and surface finish17 Table 7 Mechanical properties at room temperature for ferritic steels in the annealed condition (see table A.1) and resistance to intergranular corrosion19 Table 8 Mechanical properties at room temperature
31、for martensitic steels in the heat-treated condition (see table A.2 )20 Table 9 Mechanical properties at room temperature for precipitation-hardening steels in the heat-treated condition (see table A.3)22 Table 10 Mechanical properties at room temperature of austenitic steels in the solution-anneale
32、d condition (see table A.4) and resistance to intergranular corrosion23 Table 11 Mechanical properties at room temperature of austenitic-ferritic steels in the solution-annealed condition (see table A.5) and resistance to intergranular corrosion26 Table 12 Minimum values for the 0,2 % proof strength
33、 of ferritic steels at elevated temperatures27 Table 13 Minimum values for the 0,2 % proof strength of martensitic steels at elevated temperatures27 Table 14 Minimum values for the 0,2 % proof strength of precipitation-hardening steels at elevated temperatures28 Table 15 Minimum values for the 0,2 %
34、 and 1 % proof strength of austenitic steels at elevated temperatures29 Table 16 Minimum values for the 0,2 % proof strength of austenitic-ferritic steels at elevated temperatures31 Page Table 17 Mechanical properties at room temperature of steels in the cold-worked condition32 Table 18 Tests to be
35、carried out, test units and extent of testing in specific testing33 Table 19 Marking of the products33 Table A.1 Guidelines on the temperatures for hot forming and heat treatment of ferritic stainless steels37 Table A.2 Guidelines on the temperatures for hot forming and heat treatment of martensitic
36、 stainless steels38 Table A.3 Guidelines on the temperatures for hot forming and heat treatment of precipitation-hardening stainless steels40 Table A.4 Guidelines on the temperatures for hot forming and heat treatment of austenitic stainless steels41 Table A.5 Guidelines on the temperatures for hot
37、forming and heat treatment of austenitic-ferritic stainless steels42 4 blank EN 10088-3:1995 BSI 11-19985 1 Scope 1.1 This part of EN 10088 specifies the technical delivery conditions for semi-finished products, hot or cold-formed bars, rods and sections of standard grades and special grades of stai
38、nless steels for general purposes. NOTEHere and in the following are understood under the term “general purposes”, purposes other than the special purposes mentioned in annex C; under the term “standard grades”, grades with a relatively good availability and a wider range of application; under the t
39、erm “special grades”, grades for special use and/or with limited availability. 1.2 The general technical delivery conditions specified in EN 10021 apply in addition to the specifications of this European Standard, unless otherwise specified in this European Standard. 1.3 This European Standard does
40、not apply to components manufactured by further processing the product forms listed in 1.1 with quality characteristics altered as a result of such further processing. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These
41、normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated
42、references the latest edition of the publication referred to applies. EN 10002-1, Metallic materials Tensile testing Part 1: Method of test (at ambient temperature). EN 10002-5, Metallic materials Tensile testing Part 5: Method of test at elevated temperature. EN 10003-11), Metallic materials Hardne
43、ss test Brinell Part 1: Test method. EURONORM 182), Selection and preparation of samples and test pieces for steel and iron and steel products. EN 10021, General technical delivery requirements for steel and steel products. EN 10027-1, Designation systems for steels Part 1: Steel names, principal sy
44、mbols. EN 10027-2, Designation systems for steels Part 2: Numerical system. EN 10045-1, Metallic materials Charpy impact test Part 1: Method of test. EN 10052, Vocabulary of heat treatment terms for ferrous products. EN 10079, Definition of steel products. EN 10088-1, Stainless steels Part 1: List o
45、f stainless steels. EURONORM 1142), Determination of the resistance to intergranular corrosion of austenitic stainless steels: corrosion test in a sulphuric acid-copper sulphate medium (Moneypenny Strauss test). EURONORM 1682), Iron and steel products Inspection documents Contents. EN 10204, Metalli
46、c products Types of inspection documents. EN 10221, Surface quality classes for hot-rolled bars and rods Technical delivery conditions. See also annex B. 3 Definitions 3.1 stainless steels the definition in EN 10088-1 applies 3.2 product forms the definitions in EN 10079 apply 3.3 types of heat trea
47、tment the definitions in EN 10052 apply 4 Dimensions and tolerances on dimensions The dimensions and the tolerances on dimensions are to be agreed at the time of enquiry and order, as far as possible with reference to the dimensional standards listed in annex B (see also Table 6) 5 Calculation of ma
48、ss and tolerances on mass 5.1 When calculating the nominal mass from the nominal dimensions, the values given in EN 10088-1 shall be used as a basis for the density of the steel concerned. 5.2 If the tolerances on mass are not specified in the dimensional standard listed in annex B, they may be agre
49、ed at the time of enquiry and order. . 1) At present, at the stage of draft 2) It may be agreed at the time of ordering, until this EURONORM has been adopted as a European Standard, that either this EURONORM or a corresponding national standard should be applied. EN 10088-3:1995 6 BSI 11-1998 6 Designation and ordering 6.1 Designation of steel grades The steel names and steel numbers (see Table 1 to Table 4) were formed in accordance with EN 10027-1 and EN