1、BRITISH STANDARD AEROSPACE SERIES BS2HC 211:1989 Specification for Nickel-chromium- cobalt-molybdenum- aluminium-titanium alloy castings (Nickel base Cr15.5, Co10.0, Mo8.3, Al4.2, Ti3.6) UDC 629.7:669.24526252871295 14BS2HC211:1989 This BritishStandard, having been prepared under the directionof the
2、 Aerospace Standards Policy Committee ACE/-, was published under theauthority of the Board ofBSIand comes into effect on 31October1989 BSI02-2000 First published October1979 First revision October1989 The following BSI references relate to the work on this standard: Committee reference ACE/48 Draft
3、for comment88/70337DC ISBN 0 580 17577 4 Committees responsible for this BritishStandard The preparation of this BritishStandard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/48, upon which the following bodies were represented: British Industrial Faste
4、ners Federation British Steel Industry Ministry of Defence Seamless Steel Tube Association Society of British Aerospace Companies Limited Amendments issued since publication Amd. No. Date of issue CommentsBS2HC211:1989 BSI 02-2000 i Contents Page Committees responsible Inside front cover Foreword ii
5、 1 Scope 1 2 References 1 3 Material requirements 1 Table 1 Material requirements 2BS2HC211:1989 ii BSI 02-2000 Foreword This revision supersedes BS HC211:1979, which is withdrawn, and includes trace elements in the chemical composition and is presented in a tabular format. The basic specification f
6、or the material remains unchanged. A British Standard 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. Summar
7、y of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 and2 and 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.BS2HC211:1989 BSI
8、 02-2000 1 1 Scope This BritishStandard specifies the chemical composition, mechanical properties and inspection and test requirements for a heat resisting nickel alloy (Nickel base, Cr15.5, Co10.0, Mo8.3, Al4.2, Ti3.6) in the form of castings and remelting stock. 2 References This standard makes re
9、ference to the following BritishStandards: BS HC100, Inspection and testing procedure for iron, nickel, copper, cobalt and refractory metal base alloy castings. BS EN2500*, Aerospace series Guidelines for the preparation and use of standards for metallic materials. 3 Material requirements The requir
10、ements for the material in the delivery and use of conditions are given in Table 1, the format and nomenclature of which complies with the requirements defined in BS EN2500. BS 2HC 211:1989 2 BSI 02-2000 Table 1 Material requirements 1 Chemical composition% or (parts per million) Element C Si Mn S A
11、g Al As B Bi Cd Co Cr Fe Ga In Mg Min 0.12 3.9 0.004 9.0 14.5 Max. 0.18 0.20 0.20 0.010 (5) 4.4 (30) 0.008 (0.5) (0.2) 10.5 16.5 0.50 (30) (0.2) (50) Element Mo Nb Pb Sb Se Sn Te Ti TI V W Zn Al+Co+Cr+Mo +Ti Ni Min. 7.6 3.4 Base Max. 9.0 0.25 (10) (3) (5) (30) (2) 3.8 (0.2) 0.25 0.2 (5) 42 2 1 2 3 3
12、 Method of melting Vacuum melted and cast 4 Form Remelt stock Castings 5 Acceptance standard BS HC100, sections1 and2 BS HC100, sections1 and3 6 Delivery condition and heat treatment As cast 7 Use condition and heat treatment As cast 8 Test piece heat treatment sampling Cast None BS HC100, sections1
13、 and2 Separate or integral None See note1 21 Stress rupture Temperature C 980 22 Time t h W 30 25 Rupture stress R MPa 130 27 NOTES 1. If required, the properties to be obtained on test pieces machined from designated areas of castings shall be agreed between themanufacturer and the purchaser.blankB
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