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Cement Steel Grinding Balls Mining

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US$ 700 - 1,200 MOQ: 20 Tons
Key Specifications
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Place of Origin:
Shandong, China
Brand Name:
Special
Model Number:
Special-5
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Zhangqiu Taitou Special Steel Ball Factory
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao China
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Shandong, China
Brand Name Special
Model Number Special-5
Application Mine Mill,Cement Plant,Power Station,etc
Material Steel
Dimensions Dia.20mm-150mm(0.78''-5.9'')

Specifications

1.Wear-resistant
2.No breaking
3.Good hardness
4.OEM service
5. ISO9001:2008 certification

 

 

Cement Steel Grinding Balls Mining

 

 

 

1. Feature:

 

1)  In general, forged steel ball has high hardness: surface hardness to 55-68 HRC, volume hardness of 50-63 HRC

2) impact toughness high: impact toughness more than 12 J / cm2.

3) broken rate is low: the actual broken rate is not higher than 1%.

4) loss of grinding forged steel ball round rate is low.

 

 

2. Chemical composition

 

Based on material,the forged steel balls are defined into 7 brands. And The chemical composition is shown in the following:

 

Brand

Material

C

Mn

Si

Cr

S

P

V

Special-1

50MN

0.48-0.56

0.70-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

 

Special-2

60MN

0.57-0.65

0.70-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

 

Special-3

65MN

0.60-0.70

0.90-1.20

0.17-0.37

≤0.25

≤0.035

≤0.035

 

Special-4

75Mn

0.72-0.92

0.17-0.37

0.17-0.37

0.4-0.6

≤0.035

≤0.035

 

Special-5

75MnCr

0.70-0.85

0.7-0.8

0.17-0.37

0.2-0.7

≤0.03

≤0.03

 

Special-6

75SiMn

0.70-0.90

0.7-1.2

0.4-0.8

≤0.25

≤0.03

≤0.03

 

Special-7

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

 

 

3.Hardness of  Forged Steel Ball (HRC)

 

According to the theory and tests, the hardness of forged steel ball is shown in the following:

 

Brand

Material

Impact Test AK.J/cm2

Endurance Test Times(5m)

Dia 25mm-60mm

Dia 70mm-100mm

Surface

Core

Surface

Core

Special-1

50MN

≥12

≥10000

≥56

≥48

≥56

≥40

Special-2

60MN

≥13

≥10000

≥58

≥50

≥58

≥42

Special-3

65MN

≥15

≥12000

≥60

≥50

≥60

≥42

Special-5

75MnCr

≥17

≥12000

≥60

≥52

≥60

≥50

Special-6

75SiMn

≥16

≥12000

≥60

≥50

≥60

≥48

Special-7

Wear-resistant Alloy

≥17

≥12000

≥60

≥54

≥60

≥52

 

4.Main Process of Forged Steel Ball

 

.(1).Raw material

 

 (2).Cutting

 

 (3).Heating

 

 (4).Forging

 

 (5).Quenching

 

 (6).Tempering

 

 (7).Testing

 

 (8).Qualified Products

 

 

 (9).Packing

 

 

5.Applied Field:

 

1).Cement Plants,

2).Mines,

3).Power stations,

4).Chemical Industries,

5).Grinding Mill, Ball mill, Coal mill.

 

 

 

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Zhangqiu Taitou Special Steel Ball Factory
Business Type
Manufacturer, Trading Company
Year Established
2002
Factory Size
10,000-30,000 square meters
Total Employees
201 - 300 People
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