Mild Steel Chains are Proof Load Calibrated Chains as per IS: 2429 - 1987 Part II Gr.30 in the size ranging from 5 mm to 40 mm.
Alloy Steel Chains as per IS: 6216 - 1982 Gr.80 Chain size ranging from 6 mm to 20 mm for Hoists, Pulley Blocks, Cranes; IS: 3948 - 1986 Chain size ranging from 14 mm to 30 mm for Chain Conveyors and Coal Ploughs used in Mines and the sizes ranging from 6 mm to 40 mm for chain sling and other lifting purpose as well.
