Forged Grinding Ball 20mm to 150mm Size

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Product Description:

Specifications of 20mm to 150mm Forged Grinding Ball:


higher hardness,
great toughness,

more dense tissue abrasion lower

Breakage rate is less than or equal to 1%

Chemical Composition of 20mm to 150mm Forged Grinding Ball:

e material

Chemical composition

Diameter of 100 ball hardness (HRC)

C

Si

Mn

S

P

Cr

Ni

Mo

surface

core

45#steel

0.42-0.50

0.17-0.37

0.50-0.80

≤0.04

≤0.04

≤0.25

≤0.25

52-57

20-30

B2

0.65-0.78

0.17-0.37

0.70-1.20

≤0.035

≤0.035

0.55-0.60

55-60

35-40

50Mn

0.48-0.56

0.17-0.37

0.70-1.00

≤0.04

≤0.04

≤0.25

≤0.25

55-60

25-35

60Mn

0.57-0.65

0.17-0.37

0.70-1.00

≤0.04

≤0.04

≤0.25

≤0.25

55-60

25-35

65Mn

0.62-0.70

0.17-0.37

0.90-1.20

≤0.04

≤0.04

≤0.25

≤0.25

55-60

25-35

40Cr

0.37-0.45

0.20-0.40

0.50-0.80

≤0.035

≤0.035

0.80-1.10

55-60

25-35

B3

0.60-0.65

0.17-0.40

0.70-1.00

≤0.035

≤0.035

0.70-1.20

55-60

52-57

B6

0.77-0.85

0.17-0.37

0.70-1.00

≤0.035

≤0.035

0.88-0.98

55-60

55-60

42CrMo

0.38-0.45

0.20-0.40

0.50-0.80

≤0.035

≤0.035

0.90-1.20

0.15-0.25

55-60

25-35

Specification of 20mm to 150mm Forged Grinding Ball:

1. Diameter: 20mm-150mm
2. Grade: 22Cr, 17Cr, 15Cr, 11Cr, 5Cr, 1.5Cr, etc
3. Chemical composition: C, Si, Mn, Cr, P, S, Mo, Cu, Ni, etc
4. Surface treatment: burnt sand & smooth.
5. It is free from hard spot, visible injurious defects such as blow hole,porosity, shrinkage, cracks, cold-shuts.

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