High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant

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Loading Port:
Qingdao Port
Payment Terms:
TT or LC
Min Order Qty:
25M.T. m.t.
Supply Capability:
200000M.T./Year m.t./month

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Product Description:

1. Sizes of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant

 

Item

SIZES

φ17

φ20

φ25

φ30

φ40

φ50

φ60

φ70

φ80

φ90

φ100

φ110

φ120

φ130

Tolerance

+1.0

+2.0

+3.0

+3.5

-1.0

-1.0

-1.0

-1.5

Difference between

max diam and min diam

≤1.0

≤2.0

≤3.0

 

2. Chemical Composition of  High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant


Name

 

 

Material

 

 C

 

Si

 

 Cr

 

Mn

 

 S

 

P

X-5

 Cr-22-32%

 2.0-2.8

≤1.0

22-32

0.5-2.0

≤0.06

≤0.08

X-6

 Cr-17-22%

 2.0-2.8

≤1.0

17-22

0.5-2.0

≤0.06

≤0.08

X-7

 Cr-15-17%

 2.2-3.0

≤1.0

15-17

0.5-2.0

≤0.06

≤0.08

X-8

 Cr-11-14%

 2.2-3.2

≤1.0

11-14

0.5-2.5

≤0.06

≤0.08

X-9

 Cr-5-10%

 2.1-3.2

≤1.2

 5-10

0.5-1.5

≤0.06

≤0.08

X-10

 Cr-1-3%

 2.2-3.5

≤1.2

1.5-3.0

0.5-1.5

≤0.06

≤0.08

 

3. Physical Property of  High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant

 

 

Name

 

 

 Material

 

 

 Impact

 Test

Ak.J/cm

 

Endurance

Test times

 (5m)

            Hardness  (HRC)

Diam25-60mm

Diam70-100mm

 Quenching

Unquenching

Quenching

Unquench

ing

X-5

Cr-22-32%

≥4

≥10000

≥60

≥49

≥60

≥48

X-6

Cr-17-22%

≥4

≥10000

≥60

≥49

≥60

≥48

X-7

Cr-15-17%

≥4

≥10000

≥60

≥49

≥58

≥48

X-8

Cr-11-14%

≥3

≥10000

≥58

≥49

≥56

≥48

X-9

Cr-5-10%

≥3

≥8000

-

≥48

-

≥48

X-10

Cr-1-3%

≥2

≥8000

-

≥48

-

≥45

4.Applied Field of High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant

1) Metal mining in mines,2) power stations,3) Chemical engineering

  

5. Photos of  High Chromium Cast Grinding Ball made in China with Top Quality Steel as Raw Material for Mines and Cement Plant

 

 

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Q:Casting parts need to be subjected to the kind of heat treatment after the weldment is finished
This is difficult to say, the key is to see the specific parts and components, the final mechanical performance requirements.For example, gray cast iron, usually graphite annealing, to heat treatment annealing, surface quenching and so on, ductile iron can be a variety of annealing, normalizing, quenching and isothermal quenching, surface treatment, chemical treatment and so on, in a word, heat treatment of steel can usually, nodular cast iron can do. Malleable cast iron and vermicular cast iron are often subjected to graphitization annealing and stress relieving annealing, while wear-resistant cast irons often undergo quenching + low temperature tempering, and so on.Welding is the case, such as bearing steel welding must be quenched + low temperature tempering, machine spindle welding (repair welding) must be quenched and tempered treatment, and so on. Of course, if it is a general weld, there is no need for heat treatment or, at most, stress relieving annealing.
Q:What reason is the bronze statue choking fire?
The casting process in boiling phenomenon, is the setting of the exhaust hole positioner position or number is not reasonable, the air cavity can not be discharged, overwhelmed by a material inlet, reflux, change mould, sincerely help you look forward to adopt,
Q:What are the effects of stiffeners on castings, or on welded parts (for 2 tons or less), casting or weldments on stiffeners?
3, weight: if reinforcement in products, casting weight is generally greater than the welding parts (the internal organizational structure and mode of production determines the mechanical properties of materials, so it determines the weight of the product), considering the cost of transportation, certain priority structure.
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: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:Can the casting part be phosphating with the phosphating solution of the pickling board?
Phosphating. But it's not necessary. Because casting parts have strong corrosion resistance.
Q:How to solve casting defect casting?
Prevention methodReduce the gas in the metal liquid and oxidize the slag, improve the fluidity of the metal liquidIncrease pouring temperature and pouring speed, strengthen slag collection, slag block or bottom pouring bag, teapot ladle pouring, can not cut off when pouring, prevent the slag from blocking the nozzle, and cause the casting to breakIncrease the sprue and sprue height, increase the runner section area and the sprue number, and improve the filling speed and the metal hydrostatic headImprove the casting design and increase the thickness of the thin-wall part of the castingChange the pouring position and pouring system, the casting thin wall plane is located at the top and away from the gate, to prevent the filling of liquid metal splashing, eddy current, avoid metal stream in the casting thin sections or core support, cold iron, insert the confluence, when necessary, take horizontal vertical pouring cold or inclined castingIncrease the permeability of core and sand, strengthen the exhaust of mould, and the quantity of air outlet and riser should be enoughChange the size and location of the core, the inner cold iron, the core support, the internal cold iron, the insert should be no rust, no oil pollutionCheck the type, tight box, press the operation of iron is safe, to prevent running fire
Q:When there is no flaw detection for large casting parts, is there any crack inside?
According to the industry standards, within the scope of the standard requirements to determine whether the product is qualified
Q:What are the casting parts processing engineering?
Among them, special casting has metal mould casting, pressure casting, low pressure casting, lost wax casting (also known as precision casting), shell casting, lost foam casting, centrifugal casting, continuous casting, V casting, and clay casting
Q:How to calculate the price of casting parts?
According to the complexity of the workpiece, material and casting requirements and process yield
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