Forged Steel Grinding Ball with Dia0.75’’-Dia6’’ & Hardness HRC60-HRC65 & ISO9001:2008

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Qingdao
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TT or LC
Min Order Qty:
25M.T. m.t.
Supply Capability:
150,000M.T. m.t./month

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Product Description:

Forged Steel Grinding Ball with Dia0.75’’-Dia6’’ & Hardness HRC60-HRC65 & ISO9001:2008

1. Features for Forged Steel Grinding Ball with Dia0.75’’-Dia6’’ & Hardness HRC60-HRC65 & ISO9001:2008

Size: 20mm-150mm(Dia0.75''-Dia6'')

Hardness: HRC60-HRC65

Low Breakage Rate<0.5%

Impact Toughness>12J/cm2

Endurance Test>10000times

Good Wear Resistant

2. Chemical Composition for Forged Steel Grinding Ball with Dia0.75’’-Dia6’’ & Hardness HRC60-HRC65 & ISO9001:2008

Brand

Grade

C

Mn

Si

Cr

S

P

CMAX-1

50Mn

0.48-0.56

0.70-1.0

0.17-0.37

0.25max

0.035max

0.035max

CMAX-2

60Mn

0.57-0.65

0.70-1.0

0.17-0.37

0.25max

0.035max

0.035max

CMAX-3

65Mn

0.6-0.7

0.9-1.2

0.17-0.37

0.25max

0.035max

0.035max

CMAX-4

75MnCr

0.70-0.85

0.7-0.8

0.17-0.37

0.2-0.7

0.03max

0.03max

CMAX-5

Rail Iron

0.5-0.65

0.60-1.0

0.15-0.37

0.25max

0.04max

0.04max

CMAX-6

Rail Iron

0.60-0.8

0.90-1.2

0.20-0.40

0.20-0.8

0.07max

0.03max

3. Weight and Microstructure for Forged Steel Grinding Ball with Dia0.75’’-Dia6’’ & Hardness HRC60-HRC65 & ISO9001:2008

Norminal Diameter

Diametrical Tolerance(mm)

Approx Weight of Single Ball(kg)

Average Number of One MT

Microstructure

25mm/1''

+1.5,-0.5

0.064

15625

M+B+C

(M-Martensite;B-Bainitic;C-Carbide)

30mm/1.25''

+1.5,-0.5

0.11

9090

40mm/1.5''

+2.0,-1.0

0.26

3846

50mm/2''

+2.0,-1.0

0.51

1961

60mm/2.5''

+3.0,-2.0

0.89

1124

70mm/2.75''

+3.0,-2.0

1.4

714

80mm/3.25''

+3.0,-2.0

2.1

476

90mm/3.5''

+3.0,-2.0

3

333

100mm/4''

+4.0,-3.0

4.1

244

110mm/4.5''

+4.0,-3.0

5.47

283

120mm/4.75

+4.0,-3.0

7.1

141

130mm/5''

+4.0,-3.0

9.02

111

4. Production Process for Forged Steel Grinding Ball with Dia0.75’’-Dia6’’ & Hardness HRC60-HRC65 & ISO9001:2008

Production Process for Forged Steel Grinding Ball

5. Packing Ways for Forged Steel Grinding Ball with Dia0.75’’-Dia6’’ & Hardness HRC60-HRC65 & ISO9001:2008

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Q:Casting parts have poor surface finish. What sand is used to make them?
Now resin sand, coated sand and other processes are also very good surface.
Q:Tolerance standard for casting parts
The tolerance of a specific size can be obtained from the tolerance grade and nominal size of the casting.
Q:What should I pay attention to when designing a casting structure?
The basic structure of unit 3 in the design of metal casting casting and its parameters are 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 casting casting; (2) the inner wall of the internal ribs and the thickness of a should be connected the outer wall thickness of 0.6 to 0.7, or as the inner wall (rib) cold slowly, cracks in the wall at the junction in the casting shrinkage; (3) to prevent generating white grey cast iron, in addition to taking measures in the process, must make the wall thickness is not too thin (some information that cast fillet at the corner of the wall thickness of 15mm or more, with metal casting casting must be in the corner, for Aluminum Alloy, metal casting magnesium alloy castings shall not be less than 3 ~ 4m; (4) because of the metal type and the core that, for To facilitate the extraction of castings and casting out type, slope casting should be suitably large than sand casting metal casting, the general should be 30% ~ 50%, it should be pointed out that in addition to the height of the slope of casting size and alloy type, wall, is also related to the casting surface position, where the cooling and contraction of the metal type the surface of casting surface can be designed from the tendency of small inclination, while casting shrinkage tend to be pressed on the surface of metal casting type should be given greater inclination.
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: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 to collect exothermic process of casting blank?
Casting, do not need to provide a rough casting foundry drawings, according to your chart will put foot margin in the processing needs of the surface, the rest of the size can be found according to the mechanical design manual and manual casting.
Q:The casting defects of pores, trachoma how to repair?
If the repair after the high temperature resistance, choose LT737 high temperature repair agent.
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:Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?
The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot
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.
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.