25mm 70Cr2 Steel Grinding Balls | Manufacturer & Exporter
- Steel Grinding Balls (25 mm) are high-performance grinding media manufactured from durable 70Cr2 alloy steel for demanding industrial applications.
- Designed for mining, cement, mineral processing, metallurgical, and industrial grinding plants, they provide reliable grinding performance.
- Each ball has a nominal diameter of 25 mm, a weight of approximately 64g, and a surface area of about 1,963 mm².
- The controlled 70Cr2 composition provides excellent wear resistance, hardness, dimensional stability, and impact resistance.
- Available for bulk international export with customized packaging, specifications, inspection, and FOB or CIF delivery options.
Steel Grinding Balls – 70Cr2 Alloy Steel | Export Quality
Steel Grinding Balls (25 mm) are high-performance grinding media manufactured from 70Cr2 alloy steel. They are designed for demanding grinding and mineral-processing applications, including ball mills, cement plants, mining operations, mineral processing facilities, and industrial grinding systems.
With controlled chemical composition, suitable hardness, dimensional consistency, and high wear resistance, these steel grinding balls are suitable for continuous industrial grinding applications and bulk international export.
25 mm Steel Grinding Ball Technical Analysis
| Parameter | Specification |
|---|---|
| Product | Steel Grinding Balls |
| Nominal Diameter | 25 mm |
| Size | 25 mm / 1 inch |
| Steel Grade | 70Cr2 Alloy Steel |
| Weight per Ball | 0.064 kg / 64 g |
| Approx. Balls per Metric Ton | 15,625 pcs |
| Dimensional Tolerance | +2 mm |
| Roundness | As specified by manufacturer |
| Surface Area | Approx. 1,963 mm² |
| Application | Ball Mills, Mining, Cement, Mineral Processing |
| Product Type | Grinding Media / Grinding Balls |
| Manufacturing | Industrial Steel Grinding Ball Production |
| Export Packing | Jumbo Bag / Customer Specification |
Chemical Composition Analysis – 70Cr2
| Chemical Element | Specification (%) |
|---|---|
| Carbon (C) | 0.65 – 0.75% |
| Silicon (Si) | 0.20 – 0.30% |
| Manganese (Mn) | 0.75 – 0.90% |
| Phosphorus (P) | ≤ 0.03% |
| Sulfur (S) | ≤ 0.03% |
| Chromium (Cr) | 0.55 – 0.70% |
Properties of 25 mm 70Cr2 Steel Grinding Balls
The 70Cr2 alloy steel used for these grinding balls is selected for demanding grinding applications where resistance to abrasion, impact, and repeated mechanical loading is required.
Main Advantages
- High wear resistance
- Suitable for continuous grinding operations
- Good dimensional stability
- High hardness after appropriate heat treatment
- Controlled alloy-steel chemical composition
- Suitable for mining and mineral-processing applications
- Suitable for cement and industrial grinding
- Available for bulk export orders
Applications of Steel Grinding Balls (25 mm)
Mining and Mineral Processing
25 mm grinding balls are used as grinding media for size reduction and processing of ores, minerals, and other raw materials in ball-milling systems.
Cement Industry
These grinding balls are suitable for grinding applications in cement production and related mineral-processing operations.
Industrial Grinding Plants
70Cr2 steel grinding balls can be used in industrial mills where controlled particle-size reduction and reliable grinding performance are required.
Metallurgical Applications
These alloy steel grinding balls can be used for grinding mineral and metallic raw materials in metallurgical and mineral-processing operations.
Export Supply of Steel Grinding Balls (25 mm)
25 mm 70Cr2 Steel Grinding Balls are available for wholesale and industrial export orders. International buyers can request quotations based on their required quantity, destination port, delivery terms, packaging, technical standards, inspection requirements, and shipping schedule.
Information Required for an Export Quotation
- Required quantity
- Destination country and port
- FOB or CIF delivery terms
- Packaging requirements
- Required technical standard
- Chemical composition requirements
- Hardness requirements
- Inspection and testing requirements
- Preferred delivery schedule
Quality Control
For export applications, quality control can include verification of chemical composition, diameter, dimensional tolerance, weight, roundness, hardness, metallographic structure, impact resistance, and surface defects.
Quality Inspection Parameters
- Chemical composition analysis
- Ball diameter and dimensional tolerance
- Individual ball weight
- Roundness
- Surface hardness
- Core or volumetric hardness
- Impact resistance
- Metallographic structure
- Surface crack and defect inspection
Export Packaging
Steel grinding balls can be packed according to the buyer's requirements. Common industrial export packaging options include jumbo bags, steel drums, or customized industrial packaging.
Packaging specifications can be confirmed according to the order quantity, transportation method, destination, and buyer requirements.
Why Choose 25 mm 70Cr2 Grinding Balls?
The 25 mm diameter provides a practical grinding-media size for applications requiring a balance between grinding contact and impact action. The controlled 70Cr2 alloy composition and appropriate manufacturing and heat-treatment processes are intended to provide reliable performance in demanding grinding environments.
Manufacturer of Steel Grinding Balls (25 mm)
We are a manufacturer and supplier of Steel Grinding Balls (25 mm), offering 70Cr2 alloy-steel grinding media for domestic and international B2B customers. Our products are suitable for mining companies, cement manufacturers, mineral-processing plants, industrial mills, distributors, and international trading companies.
For an export quotation, buyers can provide the required quantity, destination port, preferred Incoterm, packaging requirements, technical standard, and inspection requirements.
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by Abrisham Road
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