Forged Grinding Ball in China

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

Forged Grinding Ball  in China is very competitive in China now.

Our company 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.

If our 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) inspection.


Forged Grinding Ball  in China

Forged Grinding Ball  in China

Forged Grinding Ball  in China


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 balls,Forged Grinding Ball, free samples can be supply for your inspection and testing, welcome to visit the factory at any time, looking forward to cooperating with you.


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