Impact Fatigue Life Test Ak. = 5 - 13J / 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.=5-13J/CM2Minimum
|
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.=3-12J/CM2Minimum
|
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 TEST →PACKING →TRANSPORTATION OR SEA FREIGHT
Cast iron grinding ball with better casting property and damping performances often used in the shaft of complex outside structure.Especially rare-earth , and is applied to automobile, diesel engineer, Ore powder extract, Cement plants, etc.
Applications:
a) Mining
b) Cement plants
c) Power stations
d) Chemical industry and machinery
