Features of G80 chain ,1,Our load chain pasted 11 times test before the shipment in order to keep stable quality. If you required the detail , please contact me and ask it .2, Our broken test is 10% higher than G80 chain standard requirement at lest . We have TUV test report No.15061451 002 .3, Our own special models (see the below pictures) keep the Nice Shape , No Twist, 2 times calibrations keep Exact Size .It can be used for sling , but also for electric hoist .4,Intermediate frequency heat treatment process keep to meet G80 chain strength requirement, elongation and suitable hardness (38HRC to 42HRC). We also can meet special hardness for hoist factories` requirement .We test the hardness more carefully (see below pictures).5,Supply technology support .Design the chain according to clients` requirement6, Supply polished, Oxidated black,electric Galvanization,painted cover , Plastic power cover,Dacromet. Our painted cover is done in warm room which with high color fastness.It is difficult to remove by knife in Europe client`s lab.G80 Chain Information:Material: Alloy steelSafety rate: Min. safety factor is 4 SWLApplications: lifting chain, lifting beam, chain hoist, lever hoist,electric hoist,lashing ,chain sling ,tie down and so on.