BS 4018:1966

Cooperating organizations
Foreword
Specification
1. Scope
1. Definitions
3. Design
4. Material
5. Block shell
6. Shanks of hooks and eyes
7. Screw threads
8. Head fittings
9. Heat treatment
10. Axle pins
11. Lubrication
12. Sheaves
13. Becket
14. Locking nuts
15. Proof load
16. Type test
17. Examination after proof loading
18. Marking
19. Certificate of test and examination
Table
1. Safe working loads of rigs
Appendices
A. Recommendations relating to contracts
B. Details which should be agreed between the
     purchaser and the supplier
C. Requirements for testing machines
D. Care and maintenance of wire rope pulley blocks
E. Marking of safe working load per rope part

Rope speed up to 100 ft/min; sheave diameter up to 12 in (300 mm). Design based on breaking load of ropes to BS 302 and BS 621 in the 6 x 37 group 100/110 tonf/in² tensile strength. Materials and heat treatment, block shell, head fittings, becket, axle pins, sheaves, lubrication, screw threads, locking nuts. Type test at option of purchaser. Proof loading, examination, marking, certificate of test and examination. Table of safe working loads of rigs. Contracts, details to be agreed between purchaser and supplier, requirements for testing machines, care and maintenance.