Detailed Product Description
We mainly produce steel balls as follows:

1. Forged steel balls
Size: 20mm-150mm
Hardness:HRC55-65
Chemical elements: C: 0. 52-0. 65; Si: 0. 2-0. 4; Mn: 0. 7-1. 2; S & P: 0. 04Max; Cr: 0. 25Max.

2. RCAB-II New Materials Forged Steel Balls
Size: 40mm-150mm
Hardness:HRC58-65
Chemical elements: C: 0. 72-0. 82; Si: 0. 17-0. 37; Mn: 0. 7-0. 8; S & P: 0. 04Max;
Cr: 0. 28-0. 60.

3. High chrome cast balls
Size: 20mm-120mm
Hardness:HRC58-65; Chrome content:11-14%

4. Low chrome cast balls
Size: 20mm-120mm
Hardness:HRC45-55; Chrome content:1-3. 5%

we Have obtained the Certificate of ISO 9001 Quality System. The executive standard for the product is YB/T091-2005 forging (rolling) steel balls.
The Advantages of this item manufactured by oura factory:
1, Hardness evenly
2, Unbreakage
3, Ginding resistance
4, High impact value
Application fields:
Industries of cement building material, metallurgical selection in mine, grinding coal in power plant, chemical industry and machinery, etc.