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What is the steel ball size of the ball mill?
He' nan Hong Ke heavy industry

Ball mill steel ball specification

One,

Chemical elements (substance composition):

C

silicon (Si)

manganese

chrome

molybdenum

S

P

65mn

0.62-0.70

0. 17-0.37

0.9- 1.2

≤0.25

0- 1.0

≤0.04

≤0.04

U7 1Mn

0.67-0.75

0.36-0.60

0.9- 1.8

1.0-3.0

0- 1.0

≤0.04

≤0.04

35CrMo

0.32-0.40

0. 17-0.37

0.4-0.7

0.8- 1.0

0. 15-0.25

≤0.04

≤0.04

42CrMo

0.38-0.45

0. 17-0.37

0.5-0.8

0.9- 1.2

0. 15-0.25

≤0.04

≤0.04

Second, the mechanical properties

Technical specification of products

Surface hardness HRC

Core hardness HRC

Impact toughness J/cm2

30 mm to 50 mm

58-60

54

12- 14

60mm-80mm

55-58

48

14- 16

90mm-120mm

5 1-56

45

16- 19

3. Wear comparison of forged steel balls under different working conditions;

Grinding ball type

65Mn steel ball

U7 1Mn steel ball

55CrMo steel ball

42CrMo steel ball

Grinding coal wears g/t coal.

80- 175

60- 100

60- 100

50-90

Cement clinker g/t material

100-225

70- 120

80- 135

70- 100

Iron ore consumes g/t ore.

450-600

300-450

360-500

280-400

Ball Mill Steel Ball Manufacturer He 'nan Hong Ke Heavy Industry Machinery Equipment Co., Ltd.