Grinding Ball for Ball Mill

Size: 20mm-150mm

Material: B2, B3, B6, 45#, 40Cr, 42CrMo, 65MN, 60MN,

Uniform Hardness;

High Wear Resistance;

Low Breakage Rate;

Without loss of round;

High impact toughness;

breakage rate: <1%

Annual production is over 100.000tons;


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Product Details

We are professional Grinding Ball manufacturer, mainly used for Ball Mill.

We prodeuce Grinding Ball, cement plant and ball mill with 26 years in China. have professional and technical personnel and quality control team, the main testing equipment has the ultrasonic flaw detector, Germany imports spectrum analyzer, metal cutting core-pulling machine, metallographic microscope, rockwell hardness tester, impact tester, drop test machine, hand-held infrared thermometer, vernier caliper, etc., quality control and inspection of steel ball.

The export products have passed SGS inspection, BV testing, etc., the pursuit of 100% qualified quality as the goal. 

If the customer needs a third party to reinspect the inspection results, our company can assist in handling the international SGS (the most authoritative international inspection organization) inspectioon.


Grinding Ball for Ball Mill

Grinding Ball for Ball Mill


Chemical Composition of Forged Grinding Ball:

Materials

C%

Si%

Mn%

P%

S%

Cr%

B2

0.70-0.85

0.17-0.37

0.70-1.00

≤0.035

≤0.035

0.4-0.6

B2-1

0.55-0.70

0.15-0.30

0.65-0.85

≤0.020

≤0.020

0.70-1.10

High Carbon B2

0.85-1.10

0.15-0.45

0.40-1.20

≤0.035

≤0.035

0.20-1.10

B3

0.58-0.66

1.70-1.90

0.68-0.80

≤0.030

≤0.030

0.78-0.90

45#

0.42-0.50

0.17-0.37

0.5-0.8

≤0.035

≤0.035

0.25max

B4

0.65-0.75

1.20-1.40

0.50-0.70

≤0.025

≤0.025

0.85-1.00

B6

0.75-0.90

0.17-0.37

0.8-1.02

≤0.035

≤0.035

0.88-0.98

B6-1

0.82-0.90

0.15-0.35

0.90-1.05

≤0.020

≤0.020

0.88-0.98

BU

0.95-1.05

0.15-0.35

0.95-1.05

≤0.025

≤0.025

0.45-0.55

1090

0.90-1.10

0.17-0.37

0.60-0.90

≤0.025

≤0.025

≤0.025

42CrMo

0.38-0.45

0.20-0.40

0.50-0.80

≤0.035

≤0.035

0.90-1.20

40Cr

0.37-0.45

0.20-0.40

0.50-0.80

≤0.035

≤0.035

0.80-1.10

65MN

0.62-0.70

0.17-0.37

0.90-1.20

≤0.035

≤0.035

≤0.25

60MN

0.57-0.65

0.17-0.37

0.70-1.00

≤0.035

≤0.035

≤0.25

50MN

0.48-0.56

0.17-0.37

0.70-1.00

≤0.035

≤0.035

≤0.25


Specification of Grinding Steel Ball:

Diameter(mm)

Diameter Tolerance(mm)

Surface Hardness(HRC)

Impact Toughness(j/cm2)

Φ20

+2 —1

60HRC

≥12

Φ25

Φ30

Φ40

Φ50

Φ60

+3 —2

Φ70

Φ80

Φ90

Φ100

+4 —2

Φ110

Φ120

58HRC

Φ130

Φ140

+4 —3

55HRC

Φ150


We are a professional manufacturer of grinding steel ballssteel rods, and cylpebs, free samples can be supply for your inspection and testing, looking forward to cooperating with you.

MaterialsC%Si%Mn%P%S%Cr%
B20.70-0.850.17-0.370.70-1.00≤0.035≤0.0350.4-0.6
B2-10.55-0.700.15-0.300.65-0.85≤0.020≤0.0200.70-1.10
High Carbon B20.85-1.100.15-0.450.40-1.20≤0.035≤0.0350.20-1.10
B30.58-0.661.70-1.900.68-0.80≤0.030≤0.0300.78-0.90
45#0.42-0.500.17-0.370.5-0.8≤0.035≤0.0350.25max
B40.65-0.751.20-1.400.50-0.70≤0.025≤0.0250.85-1.00
B60.75-0.900.17-0.370.8-1.02≤0.035≤0.0350.88-0.98
B6-10.82-0.900.15-0.350.90-1.05≤0.020≤0.0200.88-0.98
BU0.95-1.050.15-0.350.95-1.05≤0.025≤0.0250.45-0.55
10900.90-1.100.17-0.370.60-0.90≤0.025≤0.025≤0.025
42CrMo0.38-0.450.20-0.400.50-0.80≤0.035≤0.0350.90-1.20
40Cr0.37-0.450.20-0.400.50-0.80≤0.035≤0.0350.80-1.10
65MN0.62-0.700.17-0.370.90-1.20≤0.035≤0.035≤0.25
60MN0.57-0.650.17-0.370.70-1.00≤0.035≤0.035≤0.25
50MN0.48-0.560.17-0.370.70-1.00≤0.035≤0.035≤0.25
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