... carbon steel,alloy steel Surface:blackened Proof Coil Chain ASTM 80/G30 We can supply various kinds of ... tensile chains:Lifting chain,Lashing chain,chains for ship,fishing chain,three-link chain for coal transfer,transport chain……Material:carbon steel, ... G70,G80,C100Manufacture Standard:ISO,DIN,BS,JIS,ASTMWe can also make the non-standard chain according to your requirements. Proof Coil Chain ASTM ...