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BS 2969:1980
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The latest, up-to-date edition.
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Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs
Hardcopy , PDF
English
28-11-1980
National foreword
Cooperating organizations
Specification
1. Scope and field of application
2. References
3. Definitions
4. Dimensions of chains
5. Material and manufacture
6. Test requirements
7. Inspection procedure
Annexes
A. Force-extension diagram
B. Multiple pitch lengths with tolerances
C. Typical examples of matching tolerances for
matched lengths of long chain
D. Information required with enquiry or order
E. Fatique test - statistical analysis
F. Notch impact test
Tables
1. Chain link dimensions and mass
2. Content of sulphur and phosphorus
3. Mechanical properties - Basic table
4. Mechanical properties - Specified test forces
5. Gauge length and setting force
6. Fatigue test - Anchorage pin dimensions
7. Fatigue test - Lower and upper stress levels
(approximate)
8. Fatigue test - lower and upper force levels
9. Bend test - Deflection
10. Multiple pitch lengths
11. Matched lengths
Figures
1. Dimensions of chains
2. Chain link dimensions
3. Chain anchorage for static tensile test
4. Anchorage pin
5. Anchorage fork
6. Bend test
7. Force-extension diagram (illustration of terms)
8. Matched lengths
9. Fatique life/probability diagram - Reference
standard chain
10. Source of test pieces
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