70mm Steel Grinding Balls Manufacturer & Exporter | 70Cr2 Grinding
- 70 mm Steel Grinding Balls are manufactured from high-quality 70Cr2 alloy steel for mining, cement, and mineral processing applications.
- They offer excellent wear resistance, hardness, durability, and reliable grinding performance in heavy-duty ball mills.
- With a nominal diameter of 70 mm, each ball weighs approximately 1.413 kg and is produced under controlled dimensional specifications.
- As a direct manufacturer and exporter, we supply these grinding balls in bulk at competitive and affordable prices.
- Custom packing and export delivery options are available according to customer requirements, quantity, and destination.
70 mm Steel Grinding Balls – 70Cr2 | Manufacturer & Exporter
70 mm Steel Grinding Balls manufactured from 70Cr2 alloy steel are high-quality grinding media designed for demanding applications in mining, cement plants, mineral processing and ball mills. As a direct manufacturer and exporter, we offer these grinding balls at competitive and affordable prices for bulk international orders.
Our 70 mm grinding balls are produced with controlled dimensional tolerance, chemical composition and size distribution to provide excellent wear resistance, hardness, durability and grinding efficiency. They are suitable for continuous operation in heavy-duty industrial grinding applications.
Technical Analysis
| Item | Specification |
|---|---|
| Product Name | 70 mm Steel Grinding Balls |
| Material / Grade | 70Cr2 |
| Nominal Diameter | 70 mm |
| Dimensional Tolerance | +3 / -1 mm |
| Roundness / Smaller Size | ≤ 4% |
| Weight per Ball | 1.413 kg |
| Surface Area per Ball | 15,399 mm² |
| Approx. Quantity | 708 balls per metric ton |
| Application | Mining, Cement, Mineral Processing, Ball Mills |
Chemical Composition – 70Cr2
| Chemical Element | Specification (%) |
|---|---|
| C – Carbon | 0.65 – 0.75 |
| Si – Silicon | 0.20 – 0.30 |
| Mn – Manganese | 0.75 – 0.90 |
| P – Phosphorus | ≤ 0.03 |
| S – Sulfur | ≤ 0.03 |
| Cr – Chromium | 0.55 – 0.70 |
Main Advantages
- High wear resistance
- Excellent hardness and durability
- Suitable for heavy-duty ball mills
- Controlled size and dimensional tolerance
- Manufactured from 70Cr2 alloy steel
- Competitive manufacturer-direct pricing
- Suitable for large-volume export orders
- Export packing available according to buyer requirements
Export Supply
We are a manufacturer and exporter of 70 mm steel grinding balls, supplying high-quality 70Cr2 grinding media to international buyers at competitive prices. We can offer bulk quantities according to customer specifications, packing requirements and destination.
For quotation, please provide your required quantity, destination port and preferred delivery term (FOB/CFR/CIF).
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