Forged Balls for mining
Specifications
1.Diameter: 20mm-150mm
2.Hardness:HRC55-67
3.Certificate: ISO9001:2008
4.Breakage rate:<1%
5.Impact tes:>12J/CM2
6.Endurance test times>10000
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 |
| 42Cr | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤.035 | ≤0.035 | 09-1.2 |
Mechanical Properties
| Spec. | Impact Test AK.J/CM2 | Endurance Test Times (5m) | Dia 25mm-60mm | Dia 70mm-100mm | ||
| Surface | Core | Surface | Core | |||
| 42Cr | ≥12 | ≥10000 | ≥55 | ≥48 | ≥52 | ≥45 |
| 50Mn | ≥12 | ≥10000 | ≥56 | ≥50 | ≥55 | ≥50 |
| 60MN | ≥13 | ≥12000 | ≥58 | ≥52 | ≥58 | ≥50 |
| 65MN | ≥15 | ≥12000 | ≥62 | ≥54 | ≥58 | ≥52 |
Specification and Hardness of Forged Grinding Ball
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 | Surface hardness | Impact toughness |
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 | 55-67 | >12 |
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 |
Product Speciality
High Hardness No Breakage Good Wear Resistance Even Wearing
Applied Field
Mines Cement Plants Power Station Chemical Industries
Packing
1000kg bags or steel drums(850-900KG)
WE LOOK FORWARD TO THE OPPORTUNITY TO DISCUSS HOW WE CAN BECOME A PARTNER IN YOUR SUPPLY CHAIN SOLUTION.
