... 4 3.Standard:ISO,DIN and EN G80 lifting chain :1,G80 lifting alloy chain is designed and manufactured for superior ... and is lighter to handle for application.2.G80 lifting chain surface treatment:self-color,polishing,blackened,painted,plastic ... galvanized,ect 3, G80 lifting chain's safety factor:min 44,Lifting chain is G80 quality grade G80 Lifting Chain parameterCHAIN DIAMETERINSIDE LENGTHOUTSIDE ...