High quality cement mill grinding balls :
Specifications:
1.Diameter: 20mm-150mm
2.Hardness:HRC55-67
3.Impact tes:>12J/CM2
4. Endurance impact test: >12000
5. Breakage rate:<1%
Chemical elements:
Name | C | Si | Mn | P | S | Cr |
60Mn | 0.57-0.65 | 0.17-0.37 | 0.7-1.0 | <0.035 | <0.035 | <0.25 |
65Mn | 0.62-0.70 | 0.17-0.37 | 0.9-1.2 | ≤0.035 | ≤0.035 | ≤0.25 |
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | - | - | < 0.2 |
B2 | 0.72-0.92 | 017-0.37 | 0.7-1.2 | ≤0.04 | ≤0.04 | 0.4-0.6 |
42Cr | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 09-1.2 |
Specification and Hardness:
Nominal diameter (mm-inches) | Diameteical tolerance (mm) | Weight of Single of forging ball in average | Number of piece of One ton forging ball in average |
20-0.8" 25-1.0" 30-1.2" 40-1.6" 50-2.0" |
+2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 |
60-2.4" 70-2.8" 80-3.2" 90-3.6" 100-4.0" |
+3 -2 | 888 1410 2104 2996 4110 | 1126 709 475 333 243 |
110-4.4" 120-4.8" 130-5.2" | +4 -2 | 5457 7102 9030 | 182 140 110 |
140-5.6" 150-6.0" | +4 -3 | 11278 13871 | 88 72 |
Characteristics:
High Hardness Good Wear Resistance No Breakage Even Wearing
Applide field:
Mines Cement Plants Power Stations Chemical Industries
Company Information
1.One of the largest manufacturers and exporters for forged steel ball products in China
2.The high quality of the products,Output:10000tons/mouth
3.Advanced production equipment and technology, The best credit guarantee
4.The most outstanding R & D team. Experienced development personnel,professional designers,salesman and skilled workers
Packages of grinding balls:
(1)STEEL BRUMS(850-900KGS/DRUM) (2)1000KG BAGS
