Delivery Time:40-50days
Certification:ISO

Impact Fatigue Life Test Ak. = 5 - 13​J / CM2 ​Minimum Forged Steel Grinding Balls

Specification:

Name	Chemical Elements	Impact fatigue life test	Hardness
High  Chrome​ grind balls	C:2.0~3.0;    Si:0.8-1.6;     Mn:0.60-2.0;​ Cr:12-16;​  Mo:0.2-0.6;    Cu: 1 max;​ .​  P:0.08Max, ​  S:0.06Max;	Ak.=5-13​J/CM2​Minimum	56-62HRC
Middle  Chrome​ grind balls	C:2.0~3.4​   Si:0.8-2.2;​ Mn:0.50-2.0;​ Cr:5-8;​      Mo:0.1max​ Cu:0.8max;​ P:0.08Max, ​    S:0.06Max;	Ak.=3-12​J/CM2​Minimum	48-58HRC
Low  Chrome​ grind balls	C:2.6~3.20​  Si:0.8-1.6;   Mn:0.60-1.50;​ Cr:0.50-3;​  Cu:0.8max;​  .P:0.10 Max, ​   S:0.08Max;	Ak.=5-8​ J/CM2​ Minimum	≥48HRC

The process line of production

RAW MATERIALS → CUTTING → STOVE → AUTOMATIC PRODUCTION-LINE → TRANSFER MACHINE → QUENCHING → HEAT TREATMENT → DIMENSION TESE →PACKING →TRANSPORTATION OR SEA FREIGHT

Cast iron grinding ball with better casting propertyand damping performanceis often used in the shaft of complex outside structure.Especially is rare-earth , and is applied to automobile, diesel engineer, Ore powder extract, Cement plants, et c.

Applications:

a) Mining
b) Cement plants
c) Power stations
d) Chemical industry and machinery