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Low breakage grinding  balls

Low breakage grinding balls

  • Min.Order Quantity: 1 Set
  • Supply Ability: 50000 Sets per Month
  • Port: Qingdao
  • Payment Terms: L/C,D/A,D/P,T/T,Western Union,Other
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Experience:2010-11-04
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Product Details
  • Size:  9.99
  • Place of Origin:  Zhangqiu
  • Brand Name:  Jinan Zhongwei
  • Model Number:  45# 60Mn B2 B3 Low Medium High Chrome
  • Weight: 1000.000 kg

Established in 2000, We Jinan Zhongwei casting and forging grinding ball Co.,Ltd, are leading manufacturer and professional exporter of grinding media balls in China. with the annual output of 50,000 to 70,000 metric tons. Our products grinding media balls are mainly exported to more than 20 countries and regions in the world, such as Japan, Korea, South Africa, Zambia, Malaysia, Philippines, Indonesia, Mongolia, Australia, UAE, Chile etc.

 

Our company is located in Zhangqiu city, Shandong Province, which is provided with superior geographical position and convenient transportation. It is only 50 kilometers' distance to Jinan Airport and 260 kilometers' distance to Qingdao port. Our company covers an area of 15,000 square meters, with two million registered capital. And there are 150 existing staff, including 21 technicians.

 

Our main products are forging grinding steel balls, and (high,low,medium) chrome alloyed casting iron balls, casting cylpebs, grinding rods. Relying on the advanced equipment and production technology, our grinding balls have the advantages of high hardness, good wear resistance, no breakage and even wearing. They are mainly applied to various mines, cement plants, power stations and chemical industries.

 

To ensure the excellent performance of grinding balls, We've set up flawless quality detection systems, advanced quality control and test equipments. We have also obtained ISO 9001:2008 International Quality System Authentication.

 

 

 

Strength casting quality and credit forging magnificence. Insisting on the theory of "Quality first, Credit Goal, and Mutual Profits". We are trying best to supply customers both at home and abroad with high quality products and satisfactory service.

 

We sincerely welcome customers from both at home to our factory for  on-site inspections!


  • Size:  9.99
  • Place of Origin:  Zhangqiu
  • Brand Name:  Jinan Zhongwei
  • Model Number:  45# 60Mn B2 B3 Low Medium High Chrome
  • Weight: 1000.000 kg

FORGED STEEL BALL CHEMICAL ELEMENTS AND HARDNESS

 

Material

Chemical elements

C

Si

Mn

P/S

Cr

B2

0.72-0.85

0.17-0.37

0.7-1.0

0.025

0.4-0.6

60Mn

0.55-0.65

0.17-0.37

0.7-1.0

0.04

0.25

45#

0.42-0.50

0.17-0.37

0.5-0.8

0.035

≤0.25

B3

0.58-0.66

1.3-1.9

0.65-0.8

0.025

0.7-0.9

 

                                  Hardness

 

 

Material

 

 

25mm-50mm

HRC

 

60mm-90mm

HRC

 

100mm-125mm

HRC

 

Surface

Core

Surface

Core

Surface

Core

B2

60-65

58-62

58-63

50-55

56-60

40-45

60Mn

58-63

55-60

58-63

40-45

56-60

30-35

45#

55-58

45-55

55-58

30-35

50-55

25-30

B3



60-65

58-63

56-65

55-63

CAST IRON BALL CHEMICAL ELEMENTS AND HARDNESS

 

Name

 

Material

Chemical elements

Hardness

C

Si

Mn

S

P

Cr

HRC

 

 

 

 

Cast iron ball

Special cr1

2.0-3.0

1.0

0.5-2.0

≤0.06

≤0.06

20

60-65

Special cr2

2.0-3.0

1.0

0.5-2.0

≤0.06

≤0.06

15

58-64

High Cr

2.0-3.2

1.0

0.5-2.5

≤0.06

≤0.06

10

58-63

Medium Cr

2.0-3.2

1.0

0.5-2.5

≤0.06

≤0.06

≥5

48-55

Low Cr

2.2-3.4

≤1.2

0.5-1.5

≤0.06

≤0.06

1.0-1.5

45-50

 

                                   

                                    Hardness

 

Material

20mm-40mm

HRC

50mm-80mm

HRC

90mm and above

HRC

Surface

Core

Surface

Core

Surface

Core

Special Cr:>20

60-65

60-65

60-65

60-65

60-65

58-63

Special Cr:>15

58-64

58-64

58-64

58-64

58-64

56-62

High Cr:>10

58-63

58-63

58-63

58-63

58-63

56-61

Medium Cr≥5

48-55

48-55

48-55

48-55

48-55

46-53

Low Cr1-1.5

45-50

45-50

45-50

45-50

45-50

43-48

 

      

              

 

 

 

 

 

 

 

 

 

 


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