High Hardness Casting Grinding Ball For Grinder Made In China In Top Quality

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Loading Port:
Shanghai 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:

Specifications

a) High hardness and wear resistance 
b) Good even wear 
c) Low breaking 
d) grinding media for ball mill

Specifications and Chemical Compositions of High Hardness Casting Grinding Ball For Grinder Made In China In Top Quality

Brand

Grade

C

Mn

Si

Cr

S

p

Th-1

50Mn

0.48-0.56

0.7-1.0

0.17-0.37

0.25max

0.035max

0.035

Th-2

60Mn

0.57-0.65

0.7-1.0

0.17-0.37

0.25max

0.035max

0.035

Th-3

65Mn

0.6-0.7

0.9-1.2

0.17-0.37

0.25max

0.035max

0.035

Th-4

75MnCr

0.7-0.85

0.7-0.8

0.17-0.37

0.2-0.7

0.03max

0.03max

Th-5

Rail iron 1

0.5-0.65

0.6-1.0

0.15-0.37

0.25max

0.04max

0.04max

Th-6

Rail iron 2

0.6-0.8

0.9-1.2

0.2-0.4

0.2-0.8

0.07max

0.03max

 

Physical Property of High Hardness Casting Grinding Ball For Grinder Made In China In Top Quality

Brand

Grade

Impact Test(Ak.J/cm²)

Endurance Test Times(5m)

Dia25mm-60mm

Dia70mm-100mm

Surface

core

surface

core

Th-1

50Mn

≥12

≥10000

≥56

≥35

≥56

≥28

Th-2

60Mn

≥13

≥10000

≥58

≥38

≥58

≥29

Th-3

65Mn

≥15

≥12000

≥60

≥42

≥60

≥30

Th-4

75MnCr

≥17

≥12000

≥60

≥52

≥60

≥50

Th-5

Rail iron 1

≥15

≥12000

≥60

≥45

≥60

≥40

Th-6

Rail iron 2

≥16

≥12000

≥60

≥50

≥60

≥45

 

Weight and Microstructure of High Hardness Casting Grinding Ball For Grinder Made In China In Top Quality

Nominal Diameter(mm)

Diametrical Tolerance (mm)

Approx. Weight per ball (g)

Average Number per MT

Microstructure

25

1.5/-0.5

54

15625

Batten   M

+Little   B

+Little   C

(M-martensite

B-Bainitic,

C-Carbon)

 

30

1.5/-0.5

110

9090

40

2.0/-1.0

260

3846

50

2.0/-1.0

510

1961

60

3.0/-1.0

890

1124

70

3.0/-1.0

1400

714

80

3.0/-1.5

2100

476

90

3.0/-1.5

3000

333

100

4.0/-1.5

4100

244

110

4.0/-1.5

5470

283

120

4.0/-1.5

7100

141

130

4.0/-1.5

9020

111

 

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Q:Casting parts need to be subjected to the kind of heat treatment after the weldment is finished
Annealing is needed to eliminate stress and refine grain
Q:What's the effect of casting copper?
Copper is one of the main corrosion resistant alloys. When the mass fraction of copper in cast iron is from 0.25% to 1%, the corrosion resistance of copper in the industrial atmosphere can be obviously increased. But copper has very little corrosion resistance in lye or salt solution.Copper can increase the flowability of molten iron and improve its casting ability remarkably.Copper can increase the coercive force and residual magnetic force, but the permeability is not affected.Combined use of copper with other alloy elements, such as copper chromium, copper chromium molybdenum, copper molybdenum, copper manganese, copper vanadium, can achieve greater results.
Q:What are the general technical requirements for casting parts?
What kind of casting do you want to know? Copper parts, iron pieces, aluminum pieces??? Their casting conditions are different.
Q:Why does the surface of stainless steel casting mirror mirror ripple?
Because the grinding machine is layer by layer. And the material inside the casting is not completely uniform.
Q:Why do cheap cars like stamping parts instead of casting parts?
Separation process is also called blanking, the purpose is to make the stamping parts along a certain contour line from the sheet metal separation, at the same time guarantee the quality requirements of the separation section. Stamping is a highly efficient production methods, the use of compound die, especially the multi station progressive die stamping process can be completed in a multi machine, realized by belt uncoiling, leveling, punching, forming and finishing automatic production. High production efficiency, good working conditions, low production costs, can produce hundreds of parts per minute. The purpose of forming processes is to allow the sheet to undergo plastic deformation without breaking the billet and to make the desired shape and size. In actual production, a variety of processes are often applied to a workpiece. Blanking, bending, shearing, drawing, bulging, spinning, and straightening are the main types of stamping machines.
Q:The difference between cement sand castings, resin sand castings and vacuum casting parts
Our country or international, in all casting production in 60 ~ 70% by sand casting is produced, of which about 70% is used in the production of clay sand. The main reason is that the cost of sand casting is low compared with other casting method, simple production process and short production cycle. So as the car engine cylinder body the cylinder head, crankshaft castings are produced using clay wet sand molding process. When the wet type can not meet the requirement to consider the use of clay sand table dry sand, dry sand mold or other sand.
Q:What kind of flaw detector is better for casting parts?
If the casting is very small, can be used for fixed magnetic detection machines, of course with fixed magnetic powder the testing machine, the best first contact the manufacturers, because the fixed magnetic particle testing machine belongs to the non-standard equipment, according to the workpiece size, different shape, manufacturing daily inspection and measurement.
Q:Is the cast steel a casting part?
Cast steel is divided according to material, as well as cast iron parts, cast aluminum parts and so onCasting parts are divided according to the method, as well as forging partsCast steel parts must be casting parts
Q:Can the casting part be phosphating with the phosphating solution of the pickling board?
If it is Phosphating for painting, it is not necessary, because the surface of the casting is rough and can be firmly bonded with the paint film.
Q:How to solve casting defect casting?
Different defects, different solutions, some shortcomings, the current domestic level can not be resolved
Milling Queen was founded in 2012, located in Hushi Town, Jiangyin City, Jiangsu Province. Our company is next to the beautiful Yangzi River and the China first village-Huaxi Village. It is about 2km distance from expressway, 8 km from the Changjiang port, 60km from the Wuxi International Airport with convenient traffic extending all directions.

1. Manufacturer Overview

Location Jiangyin City, Jiangsu Province, China
Year Established 2012
Annual Output Value Above US$100 Million
Main Markets South America; Oceania; Eastern Europe; 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; Tianjin Port; Shanghai Port
Export Percentage
No.of Employees in Trade Department 5 - 10 People
Language Spoken: English; Chinese; Spanish; Portuguese; Russian
b)Factory Information  
Factory Size: 10,000-30,000 square meters
No. of Production Lines Above 10
Contract Manufacturing Grinding Ball; Grinding Rod; Cylpeb; Grinding Media; Ball Mill Ball
Product Price Range Average