ACE-664-S Main chemical component C:0.40~0.70 Si:0.30~0.80 Mn:0.20~0.80 Cr:4.00~6.00 Mo:2.00~3.00 Others:5.00~6.50 Hardness：59~65HRC Application: Cold work roll etc. Welding flux: ACE-SJ203 Nantong Ace welding produces all kinds of overlaying hardfacing flux cored welding wire for steel works, for electric factory, for mining machine, for mould, for valve, for sugar mill, for digger etc. we have the ability to develop new type of wires or copy the models. Hardfacing flux cored co2 welding wire factory Co2 welding wire factory Hardfacing co2 welding wire factory Hardfacing flux cored co2 welding wire factory