BS 1490-1988_1998

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BRITISH STANDARD BS 1490:1988

Incorporating

Amendment

Nos.1&2

Specification for

Aluminium and

aluminium alloy ingots

and castings for general

engineering purposes

UDC 669.71– 412–14:621

Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue May 29 10:27:48 GMT+00:00 2007, Uncontrolled Copy, (c) BSI

BS1490:1988

This British Standard, having

been prepared under the direction

of the Non-ferrous Metals

Standards Committee, was

published under the authority of

the Board of BSI and comes

intoeffect on

30 June 1988

First published, August 1949

First revision October 1955

Second revision May 1963

Third revision December 1970

Fourth revision June 1988

The following BSI references

relate to the work on this

standard:

Committee reference NFM/35

Draft for comment 86/39422 DC

ISBN 0 580 16575 2

Committees responsible for this

British Standard

The preparation of this British Standard was entrusted by the Non-ferrous

Metals Standards Committee (NFM/-) to Technical Committee NFM/35, upon

which the following bodies were represented:

Aluminium Federation

Aluminium Stockholders’ Association

Association of Light Alloy Refiners Limited

Department of Trade and Industry (Minerals and Metals Division)

Light Metal Founders’ Association

Magnesium Industry Council

Royal Institute of British Architects

Society of Motor Manufacturers and Traders Limited

The following bodies were also represented in the drafting of the standard,

through subcommittees and panels:

BNF Metals Technology Centre

British Foundry Association

British investment Casting Trade Association

Institute of British Foundrymen

Amendments issued since publication

Amd. No. Date of issue Comments

6309 March 1990

6605 December 1990 Indicated by a sideline in the margin

Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue May 29 10:27:48 GMT+00:00 2007, Uncontrolled Copy, (c) BSI

BS1490:1988

Contents

Page

Committees responsible Inside front cover

Foreword ii

1 Scope 1

2 Definitions 1

3 General requirements 2

4 Specific requirements for ingots 2

5 Specific requirements for castings 6

6 Inspection procedures 6

7 Test samples 8

8 Test methods 9

Appendix A Information to be supplied by the purchaser 15

Appendix B Recommendations for optional supplementary

inspection and tests for castings 15

Appendix C Colour code for ingots 18

Appendix D Guide to the selection of alloys 18

Figure 1 — Sand or chill cast test samples: forms A and B 9

Figure 2 — Chill cast test samples: forms C and D 10

Figure 3 — Sand cast test sample: form E 11

Figure 4 — Sand cast test sample: form F 12

Figure 5 — Investment cast test sample: form G (“cast to size”) 13

Figure 6 — Investment cast test sample: form H 14

Table 1 — Chemical compositions of group A ingots and castings:

general purpose alloys 3

Table 2 — Chemical compositions of group B ingots and castings:

special purpose alloys 4

Table 3 — Chemical compositions of group C ingots and castings:

special purpose alloys of limited application 5

Table 4 — Mechanical properties for castings (obtained on

separately cast test samples) 7

Table 5 — Hardness of castings 8

Table 6 — Colour code for ingots 18

Table 7 — Machinability ratings of aluminium casting alloys 21

Table 8 — Comparison of casting characteristics and other properties 24

Publications referred to Inside back cover

Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue May 29 10:27:48 GMT+00:00 2007, Uncontrolled Copy, (c) BSI

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摘要：

BS 1490-1988_1998 是英国标准学会发布的关于铝及铝合金铸件与铸锭的标准规范，该标准涵盖了通用工程用铝合金铸件与铸锭的化学成分、力学性能、取样方法及验收条件。该标准在1988年首次发布，并于1998年进行了修订与重新确认，因此常被引用为 BS 1490-1988 (1998)。它适用于砂型铸造、金属型铸造及压力铸造等多种铸造工艺，为铝合金铸件的质量控制和采购验收提供了权威依据。该标准的技术内容部分被后续的 BS EN 1706 等欧洲标准取代，但在许多老式设计文件、出口合同及对照历

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BS 1490-1988_1998

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