Copper Mine ues High Chromium Alloyed Grinding Ball made in Chian and in Top Quality

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Qingdao
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TT or LC
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25M.T. m.t.
Supply Capability:
200000M.T./Year m.t./month

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Product Description:

1. Feature of Copper Mine ues High Chromium Alloyed Grinding Ball made in Chian and in Top Quality

1) In general, grinding steel ball has high hardness: surface hardness to 58-65 HRC, volume hardness of 56-65 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 0.5%. 

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

 

2. Index analysis of Copper Mine ues High Chromium Alloyed Grinding Ball made in Chian and in Top Quality

Product

Brand

DIA

hardness

Breakage ratio of ball

Impact fatigue life of ball

Numbers time

Metallographic organization

Special high chrome casting iron ball

Cr26

15-150MM

58

0.5%

6

15000

M+C

Special high chrome casting iron ball

Cr20

15-150MM

58

0.5%

6

15000

M+C

Special high chrome casting iron ball

Cr15

15-150MM

58

0.5%

5

15000

M+C

High chrome casting iron ball

Cr12

15-150MM

58

0.5%

4

15000

M+C

High chrome casting iron ball

Cr8

15-150MM

58

0.5%

3

15000

M+C

Middle chrome casting iron ball

Cr5

15-150MM

47

0.5%

2

12000

P+C

Low chrome casting iron ball

Cr2

15-150MM

45

0.5%

1

12000

P+C

Casting ball

QTB

15-150MM

50

0.5%

-

12000

-

Casting ball

QTM

15-150MM

52

0.5%

-

12000

-

 

3. Chemical Composition of Copper Mine ues High Chromium Alloyed Grinding Ball made in Chian and in Top Quality

Product

Brand

Chemical composition(%)

C

Si

Mn

Cr

Mo

Cu

Ni

P

S

Special high chrome casting iron ball

Cr26

2.0-3.3

1.2

0.3-1.5

>23.0-30.0

0-3.0

0-1.2

0-1.5

0.10

0.06

Special high chrome casting iron ball

Cr20

2.0-3.3

1.2

0.3-1.5

>18.0-23.0

0-3.0

0-1.2

0-1.5

0.10

0.06

Special high chrome casting iron ball

Cr15

2.0-3.3

1.2

0.3-1.5

>14.0-18.0

0-3.0

0-1.2

0-1.5

0.10

0.06

High chrome casting iron ball

Cr12

2.0-3.3

1.2

0.3-1.5

>10.0-14.0

0-3.0

0-1.2

0-1.5

0.10

0.06

High chrome casting iron ball

Cr8

2.1-3.3

2.2

0.3-1.5

7.0-10.0

0-1.0

0-0.8

-

0.10

0.06

Middle chrome casting iron ball

Cr5

2.1-3.3

1.5

0.3-1.5

4.0-6.0

0-1.0

0-0.8

-

0.10

0.10

Low chrome casting iron ball

Cr2

2.1-3.6

1.5

0.3-1.5

1.0-3.0

0-1.0

0-0.8

-

0.10

0.10

Casting ball

QTB

3.2-3.8

2.0-3.5

2.0-3.0

-

-

-

-

0.10

0.03

Casting ball

QTM

3.2-3.8

2.0-3.5

2.0-3.0

-

-

-

-

0.10

0.03

Copper Mine ues High Chromium Alloyed Grinding Ball made in Chian and in Top Quality

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Q:What are the casting parts tested?
The surface brightness, appearance, size, chemical composition, weight, material, surface defects, internal defects, seals need to be checked, leakage, etc.
Q:Which surface is coarser for cast iron or cast steel castings? Why?
Roughness mainly depends on the surface roughness on the surface of the sand.
Q:What are the design considerations for casting parts?
Two: the basic structure unit in the design of metal casting type and the parameters selected, usually should also pay attention to: (1) because of the metal type heat quickly, so the metal type casting minimum wall thickness should be bigger than the sand casting, metal type casting alloy minimum wall, different size of castings see table 1.1-31 thick can be selected; (2) the inner wall of the casting internal ribs and the thickness of wall thickness should be 0.6-0.7 connected, or as the inner wall (rib) cold slowly, cracks in the wall at the junction in the casting shrinkage;
Q:Can the casting part be phosphating with the phosphating solution of the pickling board?
Like stainless steel casting, duplex stainless steel casting is phosphating, ductile iron gray iron is not required
Q:Tolerance standard for casting parts
The tolerance of a specific size can be obtained from the tolerance grade and nominal size of the casting.
Q:Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?
The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot
Q:What are the casting parts processing engineering?
At present, casting processing, according to metal classification, divided into cast iron, cast steel, casting non-ferrous metal.
Q:Selection of hydraulic press is the casting parts and steel plate welding, how to choose?
Casting parts in one shape, the overall processing in this regard than steel plate welding better. The same price is much more expensive than steel. Large hydraulic presses seldom have casting parts.
Q:How to calculate the price of casting parts?
According to the complexity of the workpiece, material and casting requirements and process yield
Q:What method of casting does not rust? I think the sample is like oil
Close to the solder, and slowly dissolve is hot melt double-sided adhesive, otherwise it is oily double-sided adhesive.
CMD is one of the largest manufacturers and professional exporters of forged grinding balls and cast grinding balls in China, with an annual output of 50,000 tons. Now, there are 180 employees in our company, with an area of 20,000 square meters. Our products are mainly exported to more than 20 countries in the world, such as Africa, South America, Asia, and Australia. 

1. Manufacturer Overview

Location Shandong, China
Year Established 1983
Annual Output Value Above US$100 Million
Main Markets South Asia, South Asia, Central America, Western Europe, Eastern Asia, Mid East, Oceania, Africa
Company Certifications ISO9001;IS014001 Certificate

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Qingdao Port
Export Percentage
No.of Employees in Trade Department 3-5 People
Language Spoken: English;Chinese;Japanese;Korean
b)Factory Information  
Factory Size: Above 20,000 square meters
No. of Production Lines 8
Contract Manufacturing Grinding steel balls;Grinding steel cylpebs;Grinding media;Grinding meida ball
Product Price Range Average