... polishing result 4.competitive price Grinding wheel for steel and alloy grinding1.oem products2.customized products are available3.perfect polishing result4 ... and high tensile strength metal such as ordinary carbon Steel, alloy steel, malleable cast iron, hard bronze, etc. Available size: Size ... , A36,A46, A60,A80,A100,A120,A240.Hardness:K,L,M,N,P,Q,R,S Other size also can be ...