... specialized in supplying high strength chain, alloy steel hoist chain, transport chain, proof coil link chain and chain sling to satisfy your ... , South Africa, United State etc 1) Grade: G80, G70, G60, G43, G30 alloy steel chains2) Surface treatment: Self color, ... ), European Standard (EN818), AS/NZS StandardWorking procedures of Grade 80 Alloy Steel Chains:1. Receive the purchase order 2. Product ...