BS 1663:1950

Withdrawn

Specification for higher tensile steel chain Grade 40 (short link and pitched or calibrated) for lifting purposes

Available format(s)

Hardcopy , PDF

Withdrawn date

15-08-2001

Language(s)

English

Published date

15-12-1950

Publisher

British Standards Institution

Cooperating organizations
Foreword
Section one: Definitions
Clause
1. Size
2. Proof load
3. Processing
4. Inspector
Section two: Specification
5. Types of chain
6. Quality of material
7. Heat treatment
8. Quality marking
9. Dimensions of links
10. Tolerances on pitched or calibrated chain
11. Workmanship
Section three: Testing
12. Testing machine
13. Proof testing
14. Inserted links
15. Correctness of the pitch of pitched chain
16. Selection of samples for mechanical tests
17. Breaking test
18. Ultimate breaking load
19. Energy absorption factor
20. Up-ending test
21. Inspection marking
22. Identification marking
23. Additional tests before rejection
24. Condition
25. Certificate of test and examination
26. Testing facilities
27. Inspection
Table 1
Notes to Table 1
Proof loads, breaking loads, energy absorption factor
and recommended safe working loads
Appendices
A. Certificate of test and examination
B. Requirements for chain testing machines
C. Safety recommendations for the use, care and
     maintenance of chain
D. Energy absorption factor
     (1) Test load
     (2) Extension
E. Grading and quality marking
F. Instruments for measuring the true mean diameter
     of chain links

Electrically welded chain with higher minimum tensile strength and greater minimum energy absorption factor than that covered by BS 590. Sizes of chain (from ¼ in to 2 in bar). Material, heat treatment, dimensions and tolerances of bar and links, workmanship. Testing machine, breaking strength, elongation, safe working loads. Form of test certificate, energy absorption factor used in connection with elongation.

Committee	MHE/1
DocumentType	Standard
Pages	16
PublisherName	British Standards Institution
Status	Withdrawn

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