... , Canada, Colombia, Italy, South Africa, United State etc 1) Grade: G80, G70, G60, G43, G30 alloy steel chains2) Surface ... NACM, ASTM), European Standard (EN818), AS/NZS StandardWorking procedures of Grade 80 Alloy Steel Chains:1. Receive the purchase order 2 ... -2007/EN818-2): Sized x pmmWidthApprox WeightKg/mWorking Load LimittTest LoadKNBreaking Load min.KNInside min.aOutside max.b6X87.5210.791.12745 ...