Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
Material and Chemical Composition of Ball Mill Low Wear Rate Cast Grinding Ball for Copper Ore Mining
Model | Material | C | Si | Mn | Cr | S | P |
High Chrome | Cr-22-32% | 2.0-2.8 | ≤1.0 | 0.5-2.0 | 22-32 | ≤0.06 | ≤0.08 |
Cr-17-22% | 2.0-2.8 | ≤1.0 | 0.5-2.0 | 17-22 | ≤0.06 | ≤0.08 | |
Cr-14-17% | 2.2-3.0 | ≤1.0 | 0.5-2.0 | 15-17 | ≤0.06 | ≤0.08 | |
Cr-10-14% | 2.2-3.2 | ≤1.0 | 0.5-2.5 | 11-14 | ≤0.06 | ≤0.08 | |
Medium Chrome | Cr-5-10% | 2.1-3.2 | ≤1.2 | 0.5-1.5 | 5-10 | ≤0.06 | ≤0.08 |
Low Chrome | Cr-1.0-5% | 2.2-3.5 | ≤1.2 | 0.5-1.5 | 1.5-3 | ≤0.06 | ≤0.08 |
Specification of Ball Mill Low Wear Rate Cast Grinding Ball for Copper Ore Mining
Nominal Diameter | Diameter Tolerance | Weight of Single Ball In Average | Numbers of Per Ton Ball In Average | |
(mm) | (Inch) | (mm) | (g) | |
20 | 0.75’’ | +2 -1 | 32 | 31250 |
25 | 1’’ | 64 | 15625 | |
30 | 1.25” | 110 | 9090 | |
40 | 1.5’’ | 263 | 3802 | |
50 | 2’’ | 513 | 1949 | |
60 | 2.5’’ | +3 -2 | 888 | 1126 |
70 | 2.75 | 1410 | 709 | |
80 | 3.25’’ | 2104 | 475 | |
90 | 3.5’’ | 2996 | 333 | |
100 | 4’’ | 4110 | 243 | |
110 | 4.5’’ | +4 -2 | 5457 | 182 |
120 | 4.75’’ | 7102 | 140 | |
130 | 5’’ | 9030 | 110 | |
140 | 5.5’’ | +4 -3 | 11278 | 88 |
150 | 6’’ | 13871 | 72 | |
High chrome cast balls Size: 20mm-120mm
Hardness:HRC58-65; Chrome content:11-14%
Low chrome cast balls Size: 20mm-120mm
Hardness:HRC45-55; Chrome content:1-3.5%
