IS 4164 : 1976 Specification for Lifting `C' Hooks with Eye - Capacity up to 25 Tonnes

1 Scope

1.1 This standard covers basic requirements, material anddimensions of `C' hooks with eye of lifting capacity up to 25tonnes.

1.1.1 This standard has been restricted to `C' hooks of GradesL, M and S suitable for use with chains of Grades 30, 40 and 63respectively.

1.1.2 The requirements of `C' hooks of trapezoidal section onlyhave been covered in this standard.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1500 : 1968 Method forBrinell hardness test for steel

IS 1875 : 1971Specification for carbon steel billets, blooms, slabs andbars for forgings

IS 2853 : 1964 Methodof determining austenitic grain size of steel

IS 4367 : 1967Specification for alloy and tool steel forgings for generalindustrial use

IS 7845 : 1975General characteristics of lifting hooks

IS 7847 : 1975General characteristics of lifting hooks