... carbon steel,alloy steel Surface:blackened Proof Coil Chain ASTM 80/G30 We can supply various kinds of chains,commercial ... Link Chain:Ordinary Mild Steel Link Chain,USA Standard Chain with Hooks, ASTM80 Standard Link Chain,NACM90 Standard Link Chain,NACM96 Standard Link Chain, Australian ... electro galvanized,PVC coated or as you required.Grade:G30,G43,G70,G80,C100Manufacture Standard:ISO,DIN,BS,JIS ...