... can then be electrically welded by a separate machine. The chain is pre-bent by means of bending steels in two ... infeed length:Max 100 mm;Tensile strength:Max 500Mpa;Output, chain links:40-70,35-50,25-40,20-35,12 ... chain welding machine, chain calibrate machine, chain tensile test machine and chain heat treatment machine etc. as a one-stop service for our customers. Grade 80 ...