... :We are specialized in supplying high strength chain, alloy steel hoist chain, transport chain, proof coil link chain and ... painted etc.3) Material: 20Mn2, 25Mnv, Q235 (alloy steel chains, mild steel chains, welded lashing chains, transport chains, lifting chains, load ... (EN818), AS/NZS StandardWorking procedures of Grade 80 Alloy Steel Chains:1. Receive the purchase order 2. Product requirement ...