ACE-6197-S Main chemical component C:0.80~1.50 Si:0.30~0.60 Mn:18.50~22.00 Cr:3.20~8.00 Others:1.00~3.00 Hardness：190~230HB Application: Rail surface and said rail(turning place) of trolley and train 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. Tungsten carbide welding wire factory Tungsten carbide welding wire factory Hardfacing welding wire factory Flux cored welding wire factory