BS 1429:1980
Current
The latest, up-to-date edition.
Specification for annealed round steel wire for general engineering springs
Hardcopy , PDF
English
09-30-1980
Foreword
Cooperating organizations
Specification
Section one. General
1. Scope
2. References
3. Products and quality coding
4. Information to be supplied by the purchaser
Section two. Manufacture, testing and packing
5. Manufacture
6. Selection of test pieces
7. Mechanical testing
8. Dimensional tolerances
9. Examination for defects
10. Retests
11. Packing and identification
Section three. Specific requirements
12. General
13. Chemical composition
14. Hardening test
15. Decarburization, surface defects
Appendix
A. Product analysis and permitted variations
Tables
1. Production range and quality codes
2. Maximum tensile strength for annealed wire
according to steel grade
3. Tolerances on diameter and ovality
4. Tolerances on length of straight lengths
5. Chemical composition (cast analysis)
6. Minimum hardness requirements
7. Partial decarburization levels
8. Surface defect levels
9. Permitted variations of product analysis from
specified range
Figure
1. Position of wire for bend test
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