• Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price System 1
  • Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price System 2
  • Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price System 3
  • Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price System 4
Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price

Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price

Ref Price:
get latest price
Loading Port:
Qingdao
Payment Terms:
TT or LC
Min Order Qty:
25M.T. m.t.
Supply Capability:
150,000M.T. m.t./month

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Steel Grinding Ball for Ball Mill Use with High Quality and Competitive Price

Product Description:

1) Specifications for Steel Grinding Ball:

a)   Size: 15-150mm

b)  Hardness: 55-65HRC

c)   Breakage Rate<0.5%

d)  Impact Toughness>12J/CM2

e)   Endurance Test>20000times

2) Type and Chemical Composition for Steel Grinding Ball

a)   Forged Steel Grinding Ball

Material

C

Mn

Si

Cr

S

P

V

45#

0.42-0.50

0.50-0.80

0.17-0.37

≤0.25

≤0.035

≤0.035

50Mn

0.48-0.56

0.70-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

60Mn

0.57-0.65

0.7-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

65Mn

0.60-0.70

0.9-1.2

0.17-0.37

≤0.25

≤0.035

≤0.035

B2

0.7-0.85

0.7-0.8

0.17-0.37

0.2-0.7

≤0.03

≤0.03

75SiMn

0.7-0.90

0.7-1.2

0.4-0.8

≤0.25

≤0.03

≤0.03

Wear-resistant alloy

0.5-0.65

0.4-1.0

1.4-1.8

0.9-1.2

≤0.03

≤0.03

0.1-0.2

b) Cast Iron Grinding Ball

Material

C

Mn

Si

Cr

S

P

Specialhi-CrI

2.0-2.8

0.5-2.0

≤1.0

22-32

≤0.06

≤0.08

Specialhi-CrII

2.0-2.8

0.5-2.0

≤1.0

17-22

≤0.06

≤0.08

Specialhi-CrIII

2.2-3.0

0.5-2.0

≤1.0

15-17

≤0.06

≤0.08

High-Cr

2.2-3.2

0.5-2.5

≤1.0

11-14

≤0.06

≤0.08

Medium-Cr

2.1-3.2

0.5-1.5

≤1.2

5-10

≤0.06

≤0.08

Low-Cr

2.2-3.5

0.5-1.5

≤1.2

1.5-3.0

≤0.06

≤0.08

3) Some Photos for Steel Grinding Ball:

4) Company Introduction:

We are famous and large FORTUNE 500 ENTERPRISE, established in 1984, as the largest group corporation of building materials in China. It is one of the large-scale groups under the administration of the state-owned Assets Supervision and administration commission of the state council.

We have grown to a key master in providing building materials and has proved himself a leader in innovation, design, engineering, construction, and technical services.

Q:Casting parts have poor surface finish. What sand is used to make them?
Manual coal dust, clay sand is a little worse. Mechanical styling is not bad either.
Q:For example, casting parts contain many holes, inclusions and other defects, the size and the number of holes exceed which limit is not qualified
According to different casting process and parts materials, each has relevant standards, can be found online;
Q:What kind of flaw detector is better for casting parts?
If you want to detect internal defects, you can use ultrasonic flaw detector, ray flaw detector can also, but the ray of the safety protection level is too high, not recommended priorityMacro Xu flaw detector answered, such as the magnetic particle inspection machine has the demand can contact us, Baidu "macro Xu flaw detection""
Q:How much is the amount of electrophoretic paint per square meter used in the casting?
It was a very simple question, and it was complicated by what you said.
Q:What's the cause of the choking of the casting?,
Causes of choking fire:1., casting material in the pouring of gas;
Q:In the design of casting steps and precautions, for casting design, we have what experience?.
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:Cause of choking of casting parts
Choke fire is the process of pouring a large number of gases can not be discharged smoothly, boiling in the metal liquid, resulting in a large number of castings in the pores, and even incomplete casting defects
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: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:As shown, how do I achieve the tightness test of this product, and achieve industrial production? Seek expert advice.
Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment
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.

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