50mm 70Cr2 Steel Grinding Balls Manufacturer & Exporter
- Steel Grinding Balls (50 mm) are high-quality grinding media manufactured from 70Cr2 alloy steel, designed for demanding mining, cement, and industrial grinding applications.
- With a 50 mm nominal diameter, 0.515 kg weight per ball, and ≤4% roundness, they provide consistent performance in industrial ball mills.
- The 70Cr2 composition contains 0.65–0.75% carbon and 0.55–0.70% chromium, supporting high hardness, strength, and wear resistance.
- These grinding balls are suitable for mining, mineral processing, cement plants, metallurgy, power plants, and abrasive material grinding.
- As a manufacturer and exporter, we offer 50 mm grinding balls for bulk wholesale orders with competitive export pricing and international supply.
50 mm 70Cr2 Steel Grinding Balls – Export Quality
Steel Grinding Balls (50 mm) are high-quality grinding media manufactured from 70Cr2 alloy steel, designed for demanding grinding and milling applications where high wear resistance, impact performance, and dimensional consistency are required.
These grinding balls are suitable for mining, mineral processing, cement plants, metallurgy, power plants, and industrial ball mills. The 70Cr2 steel composition, with approximately 0.65–0.75% carbon and 0.55–0.70% chromium, provides a suitable material base for high-hardness and wear-resistant grinding media after appropriate heat treatment.
Technical Specifications of Steel Grinding Balls (50 mm)
| Parameter | Specification |
|---|---|
| Product | Steel Grinding Balls |
| Nominal Diameter | 50 mm |
| Material | 70Cr2 Alloy Steel |
| Dimensional Tolerance | +3 / -1 mm |
| Roundness | ≤ 4% |
| Weight per Ball | 0.515 kg |
| Surface Area | 7,857 mm² |
| Manufacturing Type | Industrial Grinding Media |
| Application | Ball Mills, Mining & Mineral Processing |
Note: The dimensional tolerance, roundness, individual ball weight, and surface-area figures are based on the manufacturer's supplied specifications.
Chemical Composition Analysis – 70Cr2 Steel
| Chemical Element | Specification (%) | Function / Importance |
|---|---|---|
| Carbon (C) | 0.65–0.75 | Provides hardness and wear resistance |
| Silicon (Si) | 0.20–0.30 | Supports strength and deoxidation |
| Manganese (Mn) | 0.75–0.90 | Improves hardenability and strength |
| Phosphorus (P) | ≤ 0.03 | Controlled to limit brittleness |
| Sulfur (S) | ≤ 0.03 | Controlled to maintain material toughness |
| Chromium (Cr) | 0.55–0.70 | Enhances hardenability and wear resistance |
Key Advantages of 50 mm 70Cr2 Grinding Balls
High Wear Resistance
The high-carbon 70Cr2 alloy provides a suitable metallurgical base for producing grinding balls with high hardness and abrasion resistance following controlled heat treatment.
Consistent Dimensions
The 50 mm nominal diameter and controlled dimensional tolerance help maintain a consistent grinding-media charge inside industrial ball mills.
Heavy-Duty Industrial Performance
These grinding balls are designed for demanding continuous grinding operations involving abrasive minerals and raw materials.
Bulk Export Supply
The product is suitable for bulk orders, mining companies, cement manufacturers, industrial distributors, mineral-processing companies, and international grinding-media buyers.
Applications of Steel Grinding Balls (50 mm)
- Mining and mineral processing
- Copper, iron ore, gold and other mineral grinding
- Cement plants
- Industrial ball mills
- Metallurgical industries
- Power plants
- Raw-material processing
- Grinding and milling operations
Manufacturer of 50 mm Steel Grinding Balls
We are a manufacturer and exporter of 50 mm 70Cr2 steel grinding balls, supplying industrial grinding media for mining, mineral processing, cement, and other heavy-duty applications.
Our 50 mm grinding balls are manufactured according to specified chemical composition and dimensional requirements and are available for wholesale orders, industrial projects, mining companies, distributors, and international buyers.
Export Supply and Wholesale Orders
We offer competitive export pricing for bulk orders and can discuss packaging, quantity, technical requirements, delivery terms, and destination-market specifications with international buyers.
Contact the manufacturer for a quotation and bulk export supply of 50 mm 70Cr2 steel grinding balls.
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by Abrisham Road
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