Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price

Loading Port:Qingdao

Payment Terms:TT or LC

Min Order Qty:25M.T. m.t.

Supply Capability:150,000M.T. m.t./month

Product Description:

Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price

Product Description:

1) Specifications for Steel Grinding Ball:

a)   Size: 15-150mm

b)  Hardness: 55-65HRC

c)   Breakage Rate<0.5%

d)  Impact Toughness>12J/CM2

e)   Endurance Test>20000times

2) Type and Chemical Composition for Steel Grinding Ball

a)   Forged Steel Grinding Ball

Material

C

Mn

Si

Cr

S

P

V

45#

0.42-0.50

0.50-0.80

0.17-0.37

≤0.25

≤0.035

≤0.035

50Mn

0.48-0.56

0.70-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

60Mn

0.57-0.65

0.7-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

65Mn

0.60-0.70

0.9-1.2

0.17-0.37

≤0.25

≤0.035

≤0.035

B2

0.7-0.85

0.7-0.8

0.17-0.37

0.2-0.7

≤0.03

≤0.03

75SiMn

0.7-0.90

0.7-1.2

0.4-0.8

≤0.25

≤0.03

≤0.03

Wear-resistant alloy

0.5-0.65

0.4-1.0

1.4-1.8

0.9-1.2

≤0.03

≤0.03

0.1-0.2

b) Cast Iron Grinding Ball

Material

C

Mn

Si

Cr

S

P

Specialhi-CrI

2.0-2.8

0.5-2.0

≤1.0

22-32

≤0.06

≤0.08

Specialhi-CrII

2.0-2.8

0.5-2.0

≤1.0

17-22

≤0.06

≤0.08

Specialhi-CrIII

2.2-3.0

0.5-2.0

≤1.0

15-17

≤0.06

≤0.08

High-Cr

2.2-3.2

0.5-2.5

≤1.0

11-14

≤0.06

≤0.08

Medium-Cr

2.1-3.2

0.5-1.5

≤1.2

5-10

≤0.06

≤0.08

Low-Cr

2.2-3.5

0.5-1.5

≤1.2

1.5-3.0

≤0.06

≤0.08

3) Some Photos for Steel Grinding Ball:

4) Company Introduction:

We are famous and large FORTUNE 500 ENTERPRISE, established in 1984, as the largest group corporation of building materials in China. It is one of the large-scale groups under the administration of the state-owned Assets Supervision and administration commission of the state council.

We have grown to a key master in providing building materials and has proved himself a leader in innovation, design, engineering, construction, and technical services.