Welcome to Changsha Mining Equipment Co., Ltd.
High Chrome Alloy Casting Grinding Media for Mining Industry
Our high-quality Cast Steel Balls are engineered for superior performance in the most demanding grinding environments. With high wear resistance and minimal breakage, they are the ideal choice for maximizing efficiency in mining operations.
Surface hardness up to HRC 56-65 with uniform gradient distribution
Impact toughness ≥12J/cm² with breakage rate less than 1%
Maintains spherical shape throughout service life without distortion
Excellent resistance to chemical corrosion in wet grinding applications
Our Cast Steel Balls are widely used in various industries for grinding and milling operations:
Available in various chromium compositions to suit different grinding requirements:
| Brand | C | Si | Mn | Cr | Mo | Cu | Ni | P | S |
|---|---|---|---|---|---|---|---|---|---|
| ZQCr26 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >23.0-30.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
| ZQCr20 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >18.0-23.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
| ZQCr15 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >14.0-18.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
| ZQCr12 | 2.0-3.3 | ≤1.2 | 0.3-1.5 | >10.0-14.0 | 0-3.0 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.06 |
| ZQCr8 | 2.1-3.3 | ≤2.2 | 0.3-1.5 | 7.0-10.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.06 |
| ZQCr5 | 2.1-3.3 | ≤1.5 | 0.3-1.5 | 4.0-6.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.10 |
| ZQCr2 | 2.1-3.6 | ≤1.5 | 0.3-1.5 | 1.0-3.0 | 0-1.0 | 0-0.8 | - | ≤0.10 | ≤0.10 |
Our Cast Steel Balls are packaged in durable iron drums or ton bags to ensure safe transportation. We offer flexible minimum order quantities and worldwide shipping with FOB, CIF, or CFR terms.