Shandong Yafeite Metal Products Co., Ltd.About UsOur company specializes in the production and sales of hot-dip galvanized sheet (with an annual output of 250000 tons), color steel sheet (with an annual output of 300000 tons), aluminum zinc plating (with an annual output of 350000 tons), cold-rolled products (with an annual output of 600000 tons). The group has more than 1000 employees, advanced professional production equipment and mature technology, and a team of high-quality professional management and technical personnel.Shandong Yafeite Metal Products Co., Ltd.About UsOur company specializes in the production and sales of hot-dip galvanized sheet (with an annual output of 250000 tons), color steel sheet (with an annual output of 300000 tons), aluminum zinc plating (with an annual output of 350000 tons), cold-rolled products (with an annual output of 600000 tons). The group has more than 1000 employees, advanced professional production equipment and mature technology, and a team of high-quality professional management and technical personnel.Shandong Yafeite Metal Products Co., Ltd.Shandong Yafeite Metal Products Co., Ltd.Shandong Yafeite Metal Products Co., Ltd.Shandong Yafeite Metal Products Co., Ltd.Shandong Yafeite Metal Products Co., Ltd.Shandong Yafei

Forged Steel Ball
Forged Steel Ball

Forged Steel Ball

Model NO.
Forged Steel Ball
Quantity:

Grinding media ball Index

Inch

Size

T weight

Tolerance(mm)

Material

Surface hardness(HRC)

Volume hardness(HRC)

尺寸

规格

理论重量

公差

材料

表面硬度(HRC)

体积硬度(HRC)

3/4"

D20MM

0.037+/-0.005

2+/-1

B2

63-66

63-66

1"

D25MM

0.072+/-0.01

2+/-1

B2

63-66

63-66

11/4"

D30MM

0.13+/-0.02

2+/-1

B2

63-66

63-66

11/2"

D40MM

0.30+/-0.04

2+/-1

B2

62-66

62-66

2"

D50MM

0.6+/-0.05

2+/-1

B2

62-65

61-64

21/2"

D60MM

1.0+/-0.05

2+/-1.5

B2

62-65

60-62

21/2"

D65MM

1.3+/-0.05

2+/-1.5

B2

61-64

60-62

21/2"

D65MM

1.3+/-0.05

2+/-1.5

B3

61-63

60-62

3"

D75MM

2.0+/-0.06

3+/-2

B3

61-63

60-62

3"(Hot rolled)

D80MM

2.0+/-0.06

3+/-2

B3

60-63

60-62

3"(Forged)

D80MM

2.1+/-0.06

3+/-2

B3

60-62

53-57

31/2"

D90MM

3.0+/-0.07

3+/-2

B3

60-63

59-62

4"

D100MM

4.1+/-0.15

3+/-2

B3

60-63

59-62

4.5"

D115MM

6.3+/-0.15

3+/-2

B3

60-63

57-60

5"

D125MM

8.1+/-0.3

3+/-2

B3

59-62

55-60

Chemical composition 化学成分

B2 C:0.72-1.03,Si:0.15-0.35,Mn:0.30-1.20,Cr:0.2-0.6,P:≤0.035S≤0.035Ni≤0.25

B3 C:05-.53-0.88,Si:1.2-2.00,Mn:0.50-1.20,Cr:0.7-1.20,P:≤0.035S≤0.035Ni≤0.25

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