Forged and Casting Grinding Ball Used for Mine & Cement with Dia0.75''-6'' & High Hardness HRC60-HRC65

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25M.T. m.t.
Supply Capability:
150,000M.T. m.t./month

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Forged and Casting Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65

1.Forged Steel Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65

a) Chemical Coposition for Forged Steel Grinding Ball

Name

Material

C

Mn

Si

Cr

S

P

CMAX-1

50Mn

0.48-0.56

0.70-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

CMAX-2

60Mn

0.57-0.65

0.70-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

CMAX-3

65Mn

0.60-0.70

0.90-1.2

0.17-0.37

≤0.25

≤0.035

≤0.035

CMAX-4

B2

0.70-0.85

0.70-0.80

0.17-0.37

0.2-0.7

≤0.03

≤0.03

CMAX-5

75SiMn

0.70-0.90

0.70-1.20

0.4-0.8

≤0.25

≤0.03

≤0.03

CMAX-6

Wear-resistant Alloy

0.50-0.65

0.4-1.0

1.4-1.8

0.9-1.2

≤0.03

≤0.03

b)Physical Property for Forged Steel Grinding Ball

Name

Material

Impact Test(Ak.J/cm²)

Endurance Test Times(5m/T)

Surface Hardness

(Φ25mm- Φ60mm)

Core Hardness

(Φ25mm- Φ60mm)

Surface Hardness

(Φ70mm- Φ100mm)

Core Hardness

(Φ70mm- Φ100mm)

Breakage

CMAX-1

50Mn

≥12

≥10000

≥56

≥35

≥56

≥28

<1%

CMAX-2

60Mn

≥13

≥10000

≥58

≥38

≥58

≥29

<1%

CMAX-3

65Mn

≥15

≥12000

≥60

≥42

≥60

≥30

<1%

CMAX-4

B2

≥17

≥12000

≥60

≥52

≥60

≥50

<1%

CMAX-5

75SiMn

≥16

≥12000

≥60

≥50

≥60

≥48

<1%

CMAX-6

Wear-resistant Alloy

≥17

≥12000

≥60

≥54

≥60

≥52

<1%

2.Casting Alloy Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65

a) Chemical Coposition for Casting Alloy Grinding Ball

Name

Material

C

Si

Cr

Mn

S

P

CMAX

Cr-22-32%

2.0-2.8

≤1.0

22-32

0.5-2.0

≤0.06

≤0.08

CMAX

Cr-17-22%

2.0-2.8

≤1.0

17-22

0.5-2.0

≤0.06

≤0.08

CMAX

Cr-15-17%

2.2-3.0

≤1.0

15-17

0.5-2.0

≤0.06

≤0.08

CMAX

Cr-11-14%

2.2-3.2

≤1.0

11-14

0.5-2.5

≤0.06

≤0.08

CMAX

Cr-5-10%

2.1-3.2

≤1.2

5-10

0.5-1.5

≤0.06

≤0.08

CMAX

Cr-1.5-3.%

2.2-3.5

≤1.2

1.5-3.0

0.5-1.5

≤0.06

≤0.08

b)Physical Property for Casting Alloy Grinding Ball

Model

Mechanical properties

Microstructure

HRC

Times of falling (3.5m)

Low Chromium

≥45

8000

P+C

Medium Chromium

≥50

8000

P+C

High Chromium

≥56

8000

M+C

3.Packing Methods of Casting Alloy Grinding Ball Used for Mine & Cement with Dia0.75’’-Dia6’’ & High Hardness HRC60-HRC65

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Q:How to judge whether the casting is qualified?
For example, the castings shall be in accordance with the requirements of the second types of castings in the technical requirements for aluminum alloy castings of GB/T9438-1999;
Q:What do you mean by "proofing" in the casting? Do you charge for the proofing?
Proofing? In the casting industry is not called proofing, proofing is generally used in the printing industry, that is, according to the customer's drawings or samples, to do a first piece, to provide customers with the inspection process to meet their requirements;In the foundry industry, providing prototypes is sometimes difficult:1, customers if the provision of mold, it would be best, at this time, sample costs are very low, and almost the same as your regular products;2, the customer does not provide the mold, but in business relationships, your factory and not very sure must take this one, it requires your leadership decision-making, is free or low cost, or by a strict process offer (of course sample);3, not all of the casting process to provide samples are difficult, like lost foam can directly make a white NC prototype, and then assembled pouring, this is her unique advantages, first cost less than the opening process and so on;If you don't understand, you can continue to question me
Q:How much is the casting allowance in the design of the casting machine and the drawing?
Casting parts do not need to provide drawings of casting blank, the casting factory according to your drawings in the required surface will be sufficient allowance, and the rest of the size according to the mechanical design manual and the casting manual can be found.
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:How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q:We are small castings, the need for surface treatment of shot blasting machine, about how much?
The choice of shot blasting machine, this is according to the workpiece size, yield, whether can collision, and the working time and other factors considered, while the price of different blasting machine are not the same, but the vast majority of small castings used crawler shot blasting machine, according to the comprehensive consideration of factors such as yield, size of workpiece commonly used on the market the crawler shot blasting machine has Q324, Q326, Q328, Q3210, and each time the amount of their treatment were 125KG, 200KG, 400KG, 600KG, the specific use of what types also need to be determined according to the actual situation
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:Stainless steel mirror polishing precision casting parts is very difficult, 20
German winter three step mirror polishing 2013 new processYou can free proofing!
Q:What is the difference between the casting drawing and the car work drawing?
Yes, casting drawings are casting drawings with machining allowances, slopes, and gating systems
Q:Explain the heat treatment effect of casting parts, forging parts and welding parts
The three methods of metal processing have one thing in common. They are hot working, which are different in temperature and range of processing. Ductile cast iron is widely used because of its brittleness and poor impact. Heat treatment of cast iron usually adopts the annealing process, reduce the casting effect: 1 because of the internal stress caused by the thermal expansion and contraction, reduce the deformation after machining, decrease surface hardness, improve machining conditions;
CGBM established in 1995, the largest and most specialized casting and forged products supplier in China. Min products are grinding media balls, grinding rods, cylpebs, mill liners and steel flanges, with specifications all reaching international standards and annual production capacity is over 150,000tons.

1. Manufacturer Overview

Location Zhangqiu, China
Year Established 1995
Annual Output Value 150,000M.T.
Main Markets 40%,South America; 30%,South Africa; 15%,Southeast Asia; 5%, Europe Area; 5%, North America; 5%, Other Areas
Company Certifications ISO9001:2008;SGS Test Report

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Qingdao;Tianjin
Export Percentage
No.of Employees in Trade Department 25
Language Spoken: English, Chinese
b)Factory Information  
Factory Size: 68,000m2
No. of Production Lines 15
Contract Manufacturing
Product Price Range $700/M.T.-$1200/M.T.