... steel HRC: 38-45 thickness: 3-12mm disc blade (Professional production line)The company is one of the professional manufacturer of discs ... for plough and harrow. It has a production line for discs producing, cleaning and painting. We can produce ... 1305,6,7,876030120~1356,7,8,10,1281032120~1408,10,1291036120-2008,10,1296038120-2008,10,12 chemical composition of our 65Mn ...