Dia 20mm - 200mm Grinding Balls for Mining
| Place of Origin: | Shandong |
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Company Profile
| Location: | Jinan, Shandong, China (Mainland) |
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| Business Type: | Manufacturer |
Product Detail
| Model No.: | B2 60MN 65MN 45# |
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Product Description
Hot Sale High Hardness Dia 20mm - 200mm Grinding Balls for Mining
Forged Steel Grinding Balls
Size:
Dia 20mm-40mm hardness 63-66HRC
Dia 50mm-70mm hardness 61-64HRC Impact Toughness7-15 J/cm2
Dia 80mm-100mm hardness 60-63HRC Impact Toughness 12-25 J/cm2
Above Dia 100mm hardness 59-62HRC Impact Thoughness above 20J/ cm2
process:
Steel rod→heating→ skew rolling &formig(steel ball)→high strength quenching→tempering→natural cooling→package
Specification:
| Brand | Material | C | Mn | Si | Cr | P/S | Ni |
| DT-1 | 50Mn | 0.48-0.56 | 0.65-1.0 | 0.17-0.37 | 0.15max | 0.035max | 0.05max |
| DT-2 | 60Mn | 0.57-0.65 | 0.70-1.1 | 0.17-0.37 | 0.25max | 0.035max | 0.05max |
| DT-3 | 65Mn | 0.62-0.75 | 0.90-1.2 | 0.17-0.37 | 0.25max | 0.035max | 0.10max |
| DT-4 | 75MnCr(B2) |
0.72-0.85 |
0.70-0.90 | 0.17-0.35 | 0.40-0.60 | 0.035max | 0.15max |
| DT-5 | B3 | 0.50-0.65 | 0.4-1.0 | 1.40-1.80 | 0.77-1.10 | 0.035max | 0.15max |
| DT-6 | 45# | 0.42-0.48 | 0.50-0.80 | 0.17-0.37 | 0.15max | 0.035max | 0.05max |
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Nominal |
Diameteical |
Weight of Single |
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