1、BRITISH STANDARD AEROSPACE SERIES BSS160:1990 Specification for Chromium-nickel corrosion-resisting steel bright bars and parts(540MPa, limiting ruling section160 mm) (Cr18,Ni10.5, controlled nitrogen content)BSS160:1990 This British Standard, having been prepared under the directionof the Aerospace
2、 Standards Policy Committee, waspublished under the authorityof the Board of BSI andcomes into effect on 28 September 1990 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/15 Draft for comment 88/70355 DC ISBN 0580180484 Committees responsible for
3、 this BritishStandard The preparation of this British Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/15, upon which the following bodies were represented: British Forging Industry Association British Independent Steel Producers Association Briti
4、sh Industrial Fasteners Federation British Investment Casting Trade Association British Steel Industry British Steel Industry (Wire Section) Civil Aviation Authority (Airworthiness Division) Institute of British Foundrymen Ministry of Defence National Association of Steel Stockholders Rolls-Royce Lt
5、d. Seamless Steel Tube Association Society of British Aerospace Companies Ltd. Steel Casting Research and Trade Association Amendments issued since publication Amd. No. Date of issue CommentsBSS160:1990 BSI 01-2000 i Contents Page Committees responsible Inside front cover Foreword ii 1 Scope 1 2 Ref
6、erences 1 3 Technical requirements 1BSS160:1990 ii BSI 01-2000 Foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee. It is presented in tabular format. A British Standard does not purport to include all the necessary provisions of a contrac
7、t. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 and 2 and a back cover. Thi
8、s 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.BSS160:1990 BSI 01-2000 1 1 Scope This British Standard specifies the characteristics of a low-carbon chromium-nickel austenitic corrosio
9、n-resisting steel with controlled nitrogen content (iron base, Cr18, Ni10.5, N) supplied as bright bars or parts for general aerospace use. 2 References This standard makes reference to the following publications BSS 100, Procedure for inspection and testing of wrought steels (other than sheet, stri
10、p and tubes). BS EN 2500, Guidelines for the preparation and use of standards for metallic materials 1) . 3 Technical requirements The technical requirements for material to this standard shall comply with those specified in the table. Allmaterial supplied shall comply with the requirements appropri
11、ate to its dimensions and condition as specified in the standard given in line 5 of the table. Symbols and units in the tables shall be interpreted in accordance with BSEN2500. Parts shall be supplied in the softened condition. 1) In preparation.BS S 160:1990 2 BSI 01-2000 1 Chemical composition Ele
12、ment C Si Mn P S Cr Mo Ni N Fe minimum 17.0 9.0 Base maximum 0.030 1.00 2.00 0.040 0.030 19.0 0.75 12.0 0.10 2 1 2 3 Method of melting Melted by an electric process 4 Form Method of production Limit dimensions Bars, bright forged or rolled, cold drawn, cold rolled, machined or ground D eu 160 mm 5 A
13、cceptance standards BS S 100, Sections 1 and 3 6 Condition of supply and Heat treatment prior to delivery Softened 1000 Cu u 1100 C/OQ or WQ or AC 7 Condition of use and Heat treatment required for use As condition of supply 8 Test piece Heat treatment Sampling As condition of supply 9 Dimensions co
14、ncerned D e mm u 160 11 Direction of sample Longitudinal 12 Tensile Temperature C Ambient temperature 13 Proof stress Rp 0,2 MPa W 210 14 Strength Rm MPa W 540 15 Elongation A % W 35 17 Hardness HB u 183 or HV u 190blankBS S160:1990 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitu
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