IS 3948 : 1986 Specification for Calibrated High Tensile Steel (Round Link) Chain (Electric Butt Welded) for Chain Conveyors and Coal Ploughs Used in Mines

1 Scope

Covers the requirements for high grade special purposecalibrated high tensile electric butt welded steel chain (roundlink) for use with machines and equipments in mining, such as:

a) Conveyors, flexible and rigid of the chain type, chain beltconveyors, gate end and stage loaders;

b) Coal ploughs, coal cutters and power loaders;

c) Bucket elevators; and

d) Other similar machines used in mines.

1.1 chains for lifting purposes in mines are not covered by thisstandard.