high &low chrome casting grinding media balls

Main products: High & low chrome alloy cast grinding media balls High & low chrome alloy casting cylpebs a) Specification:12-135mm b)Hardness: High Cr: HRC 56-66 Low Cr: HRC 45-52 c) Characteristics: 1) High hardness 2) Good wear-resistance 3) Low breakage 4) Low wear rate d) Chemical composition High Cr: C:2.0-3.2, Si: ≤1.0, Mn:0.5-2.5, Cr:10.0-28.0, Mo: ≤3.0, Cu:1.0, P: ≤0.1, S: ≤0.1 Low Cr: C:2.2-3.6, Si: ≤1.5, Mn:0.5-1.5, Cr:1.0-3.0, Mo: ≤1.0, Cu:0.8, P: ≤0.1, S: ≤0.1 e) Applied fields: 1)Metal Mines 2)Cement plants 3)Power stations 4)Chemical industry 5) Chemical engineering 6) Ceramic coating f) Packing: 1) Iron drum (850-920Kg per drum) 2) Ton bags(1000Kg per bag)