High Chromium Cast Grinding Ball with Top Quality Steel as Raw Material withch can be uesed in Mines

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

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Product Description:

1. Applied Field of Forged Grinding Ball with High Performance, Low Breakage And Good Waer-resistance

1) Power Plant, 2) Mineral Processing,

3) Refractory Factory, 4) Cement Plant

 

2. Feature of Forged Grinding Ball with High Performance, Low Breakage And Good Waer-resistance

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. 

  

3. Chemical Composition of Forged Grinding Ball with High Performance, Low Breakage And Good Waer-resistance

 

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

 High Chromium Cast Grinding Ball with Top Quality Steel as Raw Material withch can be uesed in Mines

 

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Q:Tolerance standard for casting parts
Usually manual molding optional CT11 class, ordinary machine modeling optional CT10 class, high pressure molding should reach CT9 level. The tolerances on the wall thickness of the casting are comparable to those of other dimensions of the same casting.
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.
Q:How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.
The material is usually steel material price plus the cost (per ton of 2.5-3 million, plus profit).In the Yangtze River Delta region, generally 304 casting price of about 5-5.5 million / ton.The price will be higher if the parts are complex, or a piece weighs less than 100 grams.
Q:The cause of fracture and why there is no toughness
This question is too broad, see what the casting casting Oh in order to reduce the wayward cast steel, ductile iron, gray iron and white iron, you can choose the material according to their own requirements.
Q:Why do casting parts have air holes?
There are many reasons for casting porosity, mainly due to:1. smelting process is unreasonable, metal liquid absorbs more gas;2. the gas in the mold invades the metal liquid;3. from the mold is more water brush, core dry;4. the casting has poor ventilation;5. ladle tools are not dry.Wait。
Q:How do casting parts remove stress?
Annealing treatment, according to different casting annealing treatment, eliminate thermal stress, if need to restore hardness or increase hardness, and then quenching treatment
Q:The casting sand is going on
2, causes(1) sand mold (core) strength is not high, when the box a little reason will fall off.(2) the strength of sand mould (core) is not high, it can not stand the erosion of molten steel.(3) box sand mould (core) crush.(4) high strength under high temperature, warpage, deformation and protuberance into the cast steel under the action of high temperature molten steel.(5) the floating sand in the air hole of the sand mold falls, especially when the floating sand falls in the casting, and the floating sand on the surface of the sand mold is easy to fall through the air vent.(6) when the box is closed, the surface of the mold cavity and the surface of the sand core are not cleaned, and the sand (core) surface has floating sand and so on.
Q:When the blank is a casting, the margin is evenly distributed, how should rough machining? Twenty
Even distribution is a good thing. Generally, the machining allowance of the casting is uneven.If the processing depends on how your processing techniques have been arranged.In the NC milling plane contour machining, when the rough margin is large, how to deal with.1. Return to the foundry, too large margin improvement.2. Then you can spend more time on it.
Q:What kind of flaw detector is better for casting parts?
Casting using the detector test, you must first determine the detection process, such as the detection of surface and near surface crack defects, such as casting, recommended by CYD-3000, or CYD-5000 mobile magnetic testing machine for testing.
Q:What foundry factories are used in the casting parts of China's major automobile manufacturers?
For example Changchun FAW, under a casting, two casting and other casting plant, but there are more than half of all outsourcing in Tianjin Hebei Shandong purchase, many automobile enterprises to casting foundry.
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