ACE-D72F-O Main chemical component C:4.80~5.50 Si:1.00~1.30 Mn:0.40~0.70 Cr:22.00~24.00 Mo:2.50~3.50 W:0.80~1.20 V:0.40~0.60 Nb:4.50~5.50 Others:0.20~0.50 Hardness：62~65HRC Application: Possess low impact resistance and excellent resistance to high stress abrasion performance under 450℃ temperature. 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 submerged arc welding wire factory Submerged arc welding wire factory Hardfacing submerged arc welding wire factory Submerged arc flux cored welding wire factory