Specifications 1. Material: 4140size:110*305*2440 2.Process:Forged& heat treated 3.ISO9001 certificate proved ... , tolerance, parallelism, packing, cleanness. General Standard 1,Fork bodies: 40Cr,4140,15B37 Fork bodies:20Cr Tube:20# Chemical Composition Material No. C ... on one side of shank,including: Loading capacity: kg×LC(mm) Manufacturing date and lot number8,Painting : anti-rust (red color ...