Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:25MTS m.t.
Supply Capability:20000MTS/Year m.t./month
Specifications of Forged Grinding Media Steel Balls With High Hardness and Resistance, Top Quality For Cement
and Mine:
1. Diameter:20mm-150mm(0.75''-6'')
2. Surface Hardness:
Forged ball:58-65HRC
Casted ball:60-65HRC
3. Material:
Forged ball: Steel
Casted ball: Iron
4. Technology: Forged & Casted ,heat treated
5. Unbreakable:0.5 Max.
6. Impact Toughness:>12
7. times of falling ball:5000 min.
8. microstructure: P+C
9. Application: gold & iron mine, steel works, cement plant and power station
10. Certificate: ISO9001:2008
Features of Forged Grinding Media Steel Balls With High Hardness and Resistance, Top Quality For Cement
and Mine:
1. High hardness
2. Good wear resistance
3. High toughness
4. No mal-roundness
Chemical Composition of Forged Grinding Media Steel Balls With High Hardness and Resistance, Top Quality For
Cement and Mine:
Name | C | Mn | Si | Cr | S | P | |||
60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | 0.25max | 0.035max | 0.035max | |||
65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | 0.25max | 0.035max | 0.035max | |||
75MnCr | 0.70-0.85 | 0.70-0.85 | 0.17-0.37 | 0.40-0.60 | 0.030max | 0.030max | |||
Specification of Grinding Media Ball | |||||||||
Nominal diameter | Diameteical Tolerance | Weight of single ball in average | Surface hardness | Impact toughness | |||||
(mm) | (mm) | (g) | (HRC) | (j/cm2 ) | |||||
Φ20 | +2 -1 | 32 |
55-65 |
≥12 | |||||
Φ25 | 64 | ||||||||
Φ30 | 110 | ||||||||
Φ40 | 263 | ||||||||
Φ50 | 513 | ||||||||
Φ60 | +3 -2 | 888 | |||||||
Φ70 | 1410 | ||||||||
Φ80 | 2104 | ||||||||
Φ90 | 2996 | ||||||||
Φ100 | 4110 | ||||||||
Φ110 | +4 -2 | 5457 | 50-60 | ||||||
Φ120 | 7102 | ||||||||
Φ130 | 9030 | ||||||||
Φ140 | +4 -3 | 11278 | |||||||
Φ150 | 13871 | ||||||||
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