High quality forging grinding steel ball for mining:
Our products:
1.Sizes:DIA20-150mm
2.Hardness: HRC55-67
3.Chemical elements:C . Si . Mn . P . S . Cr
4.Impact toughness: >12J/CM2
5.Endurance impact test: >12000
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 |
Mechanical Properties:
Spec. | 42Cr | 50Mn | 60Mn | 65Mn | |
Impact Test AK.J/CM2 | ≥12 | ≥12 | ≥13 | ≥15 | |
Endurance Test Times (5m) | ≥10000 | ≥10000 | ≥12000 | ≥12000 | |
Dia 25-60mm
| Surface | ≥55 | ≥56 | ≥58 | ≥62 |
Core | ≥48 | ≥50 | ≥52 | ≥54 | |
Dia 70-100mm | Surface | ≥52 | ≥55 | ≥58 | ≥58 |
Core | ≥45 | ≥50 | ≥50 | ≥52 | |
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
Packages of forged steel balls:
(1)1000KG BAGS
(2)STEEL BRUMS(850-900KGS/DRUM)
Our Services
1.Free sample for your test before orders;
2.Soonest delivery time ;
3.Cooperate with many famours shipping companies,and sent the goods to your port in time;
4.Any feedback after sales would get our soonest reply
