... galvanized etc G80 alloy steel chain, grade 80 load chain1. G80 alloy steel chain, grade 80 load chain Introduction:1. 80Grade, High ... is more than 17%.2. G80 alloy steel chain, grade 80 load chain Parameters: size d*p mmWidthMass per unit Len ... *4218494.136.315025014*50174846.3150250 G80 alloy steel chain, grade 80 load chain