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Company Name:Jinan Xinte Casting And Forging Co.,ltd
Address: Taitou Industry Zone,Guanzhuang Town,Zhangqiu City,Shandong Province,China
Boss:    Mr. Jindong Chen
Tel:        0086-531-83805896
Mobile:13964054179   
Fax:       0086-531-83805868 
Website:http://www.xintedz.com
E-mail:   xinte@xintedz.com
              xinteduanzao@126.com

Products
Forged Grinding Ball
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Detailed introduction:

Forged Grinding Ball

 

 

Executive standard for the product is YB/T091-2005 forging(rolling) steel balls

 

We produce and export high quality Forged Grinding Ball and Rolled Grinding Ball with different hardness grades and chemical composition on request.

 

At first, we produce Forged Grinding Ball. In order to improve the quality and increase the production capacity, we produce the Rolling Grinding Ball by the advanced Automatic Hot Rolling Grinding Ball Production Line. Our Automatic Hot Rolling Grinding Ball Production Line is in the leading position in the world.

 

The Forged Grinding Ball and Rolled Grinding Ball we produced as follows:

 

1.Chemical Composition

 

 

Brand

Material

C

Si

Mn

P

S

Cr

XT-1

45#

0.42-0.48

0.17-0.37

0.50-0.80

≤0.035

≤0.035

≤0.25

XT-2

50MN

0.48-0.56

0.17-0.37

0.70-1.00

≤0.035

≤0.035

≤0.25

XT-3

60MN

0.57-0.65

0.17-0.37

0.70-1.00

≤0.035

≤0.035

≤0.25

XT-4

65MN

0.62-0.70

0.17-0.37

0.90-1.20

≤0.035

≤0.035

≤0.25

XT-5

B2

0.75-0.85

0.17-0.35

0.70-0.90

≤0.030

≤0.030

0.40-0.60

XT-6

B3

0.55-0.65

0.20-0.37

0.75-0.90

≤0.030

≤0.030

0.85-1.20

XT-7

B4

0.58-0.66

1.60-1.90

0.65-0.80

≤0.030

≤0.030

0.70-0.9 0

 

 

 

 

 

2. Surface Hardness, Center Hardness and Impact Toughness

 

 

 

Brand

Material

Impact toughness

AK.J/cm2

Dropping test

Hardness(HRC)

Φ25mm-Φ50mm

Φ60mm-Φ90mm

Φ100mm-Φ130mm

Surface

Center

Surface

Center

Surface

Center

XT-1

45#

≥16

≥12000

≥54

≥36

≥54

≥34

≥52

≥30

XT-2

50MN

≥15

≥12000

≥58

≥38

≥58

≥36

≥55

≥32

XT-3

60MN

≥15

≥12000

≥60

≥42

≥60

≥40

≥58

≥36

XT-4

65MN

≥15

≥12000

≥60

≥42

≥60

≥40

≥58

≥36

XT-5

B2

≥15

≥12000

≥60

≥60

≥60

≥50

≥60

≥46

XT-6

B3

≥15

≥12000

≥60

≥60

≥60

≥50

≥60

≥48

XT-7

B4

≥15

≥12000

≥60

≥60

≥60

≥55

≥60

≥52

 

3.Size, Tolerance, Weight and Microstructure

 

 

 

Diameter (mm)

Tolerance (mm)

Single ball weight (g)

The number of forged balls per ton

Microstructure

φ20

+1 -0.5

33

30303

Martensite

+ Bainite

+ Carbide

φ25

+1.5 -0.5

64

15625

φ30

+1.5 -0.5

110

9090

φ40

+2 -1

260

3846

φ50

+2 -1

510

1961

φ60

+2 -1

890

1124

φ70

+3 -2

1400

714

φ80

+3 -2

2100

476

φ90

+3 -2

3000

333

φ100

+3 -2

4100

244

φ110

+4 -3

5470

183

φ120

+4 -3

7100

141

φ130

+4 -3

9020

111

 

4. Product performance: High hardness, Unbreakable, Good wear resistance, Low consumption rate

 

5. Application fields: Mining, Cement Plants, Power Stations and Chemical Industries etc.

 

 

 

 

 

 

 

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