Customization: | Available |
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Standard: | JIS, GB, DIN, BS, ASTM, AISI |
Application: | Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard |
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Materials | C% | Si% | Mn% | P% | S% | Cr% |
B2 | 0.70-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.4-0.6 |
B2-1 | 0.55-0.70 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 |
High Carbon B2 | 0.85-1.10 | 0.15-0.45 | 0.40-1.20 | ≤0.035 | ≤0.035 | 0.20-1.10 |
B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 |
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.25max |
B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 |
B6 | 0.75-0.90 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 |
B6-1 | 0.82-0.90 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 |
42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 |
40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 |
65MN | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 |
60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
Φ20 | +2, -1 | >60HRC | ≥12 |
Φ25 | |||
Φ30 | |||
Φ40 | |||
Φ50 | |||
Φ60 | +3, -2 | ||
Φ70 | |||
Φ80 | |||
Φ90 | |||
Φ100 | +4, -2 | ||
Φ110 | |||
Φ120 | >58HRC | ||
Φ130 | |||
Φ140 | +4, -3 | >55HRC | |
Φ150 |
Chemical Components | ||||||||
Type | Chemical components | |||||||
C | Si | Mn | Cr | Mo | Cu | P | S | |
Low-Cr | 1.8-3.3 | ≤1.5 | 0.3-1.5 | 1-3 | ≤1.0 | ≤0.8 | ≤0.10 | ≤0.10 |
Medium-Cr | 1.8-3.3 | ≤1.2 | 0.3-1.5 | 4-9 | ≤1.5 | ≤0.8 | ≤0.10 | ≤0.10 |
High-Cr | 1.8-3.3 | ≤1.2 | 0.3-1.5 | 10-18 | ≤1.0 | ≤1.2 | ≤0.10 | ≤0.06 |
Superhigh-Cr | 1.8-3.3 | ≤1.2 | 0.3-1.5 | 19-35 | ≤2.0 | ≤1.2 | ≤0.10 | ≤0.06 |
Nominal diameter (mm) |
Weight of single ball in average (g) |
Quantity/ MT | Surface hardness | Endurance impact test (Times) |
Φ15 | 13.8 | 72549 | >60 | >10000 |
Φ17 | 20.1 | 49838 | >10000 | |
Φ20 | 32.7 | 30607 | >10000 | |
Φ25 | 64 | 15671 | >10000 | |
Φ30 | 110 | 9069 | >10000 | |
Φ40 | 261 | 3826 | >10000 | |
Φ50 | 510 | 1959 | >10000 | |
Φ60 | 882 | 1134 | >10000 | |
Φ70 | 1401 | 714 | >10000 | |
Φ80 | 2091 | 478 | >58 | >10000 |
Φ90 | 2977 | 336 | >10000 | |
Φ100 | 4084 | 245 | >8000 | |
Φ120 | 7057 | 142 | >8000 | |
Φ130 | 8740 | 115 | >8000 |