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High hardness hot rolling balls for mining

High hardness hot rolling balls for mining

  • Min.Order Quantity: 1 Tonne
  • Supply Ability: 5000 Metric ton per Month
  • Port: Qingdao
  • Payment Terms: L/C,T/T
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  • *Quantity: Tonne/Metric ton
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Experience:2010-11-04
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Product Details
  • Size:  0.325CBM
  • Place of Origin:  Jinan
  • Brand Name:  Jinan Zhongwei
  • Model Number:  B3,B2,60Mn,C45
  • Weight: 0.033 kg

High hardness hot rolling balls for mining


Product Description

1) No deformation 

2) High hardness Good wear resistant 

3) Size:Dia20mm-150mm

4) Breakage<1%

5) Certification: ISO9001,SGS.

Production Description

1) Traditional Forged 

Raw material →Cutting  →Heating  → Water quenching  → Tempering

2) Auto Hot Rolling

 Raw material  →Hot Rolling Mill  → Water Quenching  → Tempering


Packing

One ton per Container Bag or 850-900kg per Steel Drum, then 20-15 tons in a 20GP Container.


Quality Control

1) Raw material: Size, Chemcial elements, Microstructure quality control (LAIWU STEEL)

2) Production Technical: Cutting Size, Heating Temperature, Quenching Technical, Tempering control.

3) Grinding Balls: Hardness, Size, Chemcial elements, Breakage Rate Checking

4) Thrid-Pary: SGS, BV ISO, TUV, COTECNA, AsiaInspection etc.


Company Profile

Jinan Zhongwei established in 2000 , we are a leading manufacturer and professional exporter grinding balls in China.

Our company covers an area of 15000 square meters, now we have 150 staff, including 13 technical staff. Annual output is 50000 tons to 80000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod, cylpebs
We have exported to 20 more countries, UAE, Zambia,South Africa, Peru, Chile, Australia, UK, USA, Turkey and so on.

 

  • Size:  0.325CBM
  • Place of Origin:  Jinan
  • Brand Name:  Jinan Zhongwei
  • Model Number:  B3,B2,60Mn,C45
  • Weight: 0.033 kg

High hardness hot rolling balls for mining

Forged & Hot Rolling Ball Chemical Composition and Physical Specifications                          Can be customized according to customer material requirements

(锻球和轧球化学成分和力学性能)                                                               (可根据客户材质要求定做)

 

直径重量 Diameter/Weight

 

 

 硬度Hardness

 

    材 质

 (Material)

C45

60Mn

B2

B3

B6

C:0.42-0.5, Si:0.17-0.37, Mn:0.5-0.8, Cr:≤0.25, P:≤0.035, S:≤0.035, Ni:≤0.25, Cu:≤0.25

C:0.55-0.65, Si:0.17-0.37, Mn:0.7-1.0, Cr:≤0.25, P:<0.04, S:<0.04, Ni:≤0.3, Cu:≤0.25

C:0.72-0.85, Si:0.17-0.37, Mn:0.7-1.0, Cr:0.4-0.6, P:≤0.025, S:≤0.025, Ni:≤0.02, Cu:≤0.02, Mo:0.01-0.06

C:0.58-0.66, Si:1.3-1.9, Mn:0.65-0.8, Cr:0.7-0.9, P:≤0.025, S:≤0.025, Ni:≤0.02, Cu:≤0.02, Mo:0.05-0.12

C:0.97-1.03, Si:0.2-0.3, Mn:1.0-1.1, Cr:0.5-0.6, P:≤0.025, S:≤0.025, Ni:≤0.05, Cu:≤0.06, Mo:≤0.02

Diameter 直径(MM)

Weight/PC  单重(kg)

Surface Hardness      表面硬度(HRC)

Core Hardness    芯部硬度(HRC)

Surface Hardness 表面硬度(HRC)

Core Hardness    芯部硬度(HRC)

Surface Hardness   表面硬度(HRC)

Core Hardness    芯部硬度(HRC)

Surface Hardness 表面硬度(HRC)

Core Hardness    芯部硬度(HRC)

Surface Hardness 表面硬度(HRC)

Core Hardness    芯部硬度(HRC)

20

0.033

55-58

55-58

58-62

58-62

60-64

60-64

62-65

62-65

62-65

62-65

25

0.064

55-58

55-58

58-62

58-62

60-64

60-64

62-65

62-65

62-65

62-65

30

0.111

55-58

30-33

58-62

51-55

60-64

60-64

62-65

62-65

62-65

60-65

40

0.261

55-58

28-31

58-62

51-55

60-64

58-62

62-65

60-65

62-65

60-65

50

0.512

55-58

27-30

58-62

35-39

60-64

58-62

62-65

60-65

62-65

60-65

60

0.883

55-58

27-30

58-62

32-26

60-64

56-60

62-65

60-65

62-65

60-65

70

1.402

53-56

23-26

58-62

31-35

60-64

54-58

61-63

60-65

61-63

60-65

75

1.73

53-56

23-26

58-62

31-35

60-64

54-58

61-63

58-63

61-63

58-62

80

2.092

53-56

23-26

58-62

30-34

59-63

50-54

60-65

58-63

61-63

58-62

90

2.98

50-55

23-26

58-62

30-34

57-61

45-49

60-65

58-63

61-63

58-62

100

4.087

48-52

23-26

57-61

28-32

56-60

44-48

60-65

58-62

61-63

58-62

110

5.44

48-52

23-26

57-61

28-32

55-60

40-44

58-64

53-60

61-63

55-60

120

7.062

48-52

22-25

57-61

26-30

55-60

39-43

56-63

53-60

61-63

55-60

125

8.008

48-52

22-25

57-61

26-30

55-60

38-42

56-63

54-61

61-63

55-60

130

9.008

48-52

22-25

57-61

26-30

55-60

38-42

56-63

50-55

61-63

50-55

140

    11.25

48-52

22-25

57-61

26-30

55-60

38-42

56-63

50-55

61-63

50-55

150

13.83

48-52

22-25

57-61

26-30

55-60

38-42

56-63

50-55

61-63

50-55

冲击值Impact

≥12Ak.J/cm2

≥12Ak.J/cm2

≥12Ak.J/cm2

≥15Ak.J/cm2

≥15Ak.J/cm2

跌落次数 Drop Test

>10000

>10000

>10000

>12000

>12000

公称直径 Diameter

20mm

25mm

30mm

40mm

50mm

60mm

70mm

80mm

90mm

100

110

120

125

130mm

140mm

150mm

允许偏差 Tolerance

1/-0.5 mm

2/-2 mm

3/-2 mm

4/-3 mm

5/-4 mm

不圆度Out of Roundness

≤1%

≤2%

≤3%

≤4%

≤5%

金相组织Microstructure

M B C  (M-马氏体; B-贝氏体; C-碳化物)  (M- Martensite; B- Bainitic; C- Carbide)


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