1.material:20Mn2
2.surface:black
3.packing:in bulk
4.specification: 6mm-65mm
5.cert:ccs
as we are factory, we can make chains according to your request.

Grade 80 Alloy Chain is designed to stretch a minimum of 15% before it breaks, alloy chain is the only grade of chain approved by OSHA and other agencies for overhead lifting. Its alloy, heat-treated steel makes it ideal for making lifting slings and heavy duty tow chains. The manufacturer's symbol and grade marking: G8, G80, or 800 is placed on the chain links every foot or so. Grade 80 Alloy Chain is suitable for overhead lifting.