Grade 80 lifting chain 1.Material alloy steel,heated treated and proof tested 2.Safety factor:min 4 3.Standard:ISO,DIN and EN G80 lifting chain :1,G80 lifting alloy chain is designed and manufactured for superior performance and usage.It can easy withstand more,abrasion resistance.greater load lifitng per size and is lighter to handle for application.2.G80 lifting chain surface treatment:self- ...