• 20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness System 1
  • 20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness System 2
  • 20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness System 3
20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness

20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness

Ref Price:
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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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1.Chemical Composition of 20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness

 

Material

C

Mn

Si

Cr

S

P

60Mn

0.57-0.65

0.70-1.0

0.17-0.37

0.25max

0.035max

0.035max

65Mn

0.60-0.70

0.90-1.2

0.17-0.37

0.25max

0.035max

0.035max

75MnCr

0.70-0.85

0.70-0.85

0.17-0.37

0.40-0.60

0.030max

0.030max

Specification of Forged Steel Grinding Balls

Nominal diameter

Diametrical

Tolerance

Weight of single ball in average

Surface hardness

Impact toughness

(mm)

(mm)

(g)

(HRC)

(j/cm)

Φ20

+2      -1

32

 

 

 

 

55-65

 

 

 

 

≥12

Φ25

64

Φ30

110

Φ40

263

Φ50

513

Φ60

+3    -2

888

Φ70

1410

Φ80

2104

Φ90

2996

Φ100

4110

Φ110

+4     -2

5457

50-60

Φ120

7102

Φ130

9030

Φ140

+4    -3

11278

Φ150

13871

 

2. Hardness of 20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness

1A

2A

3A

45

65

Superficial

>60HRC

>60HRC

>60HRC

>58HRC

>60HRC

Volumetric

>58HRC

>60HRC

>60HRC

>55HRC

>60HRC

 

3.Feature of 20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness

1) In general, grinding steel ball has high hardness: surface hardness to 58-65 HRC, volume hardness of 56-65 HRC
2) impact toughness high: impact toughness more than 12 J / cm2.
3) broken rate is low: the actual broken rate is not higher than 0.5%.
4) loss of grinding forged steel ball round rate is low.

 

20mm-150mm Forged Steel Grinding Ball apply for all kinds of Mineral Industory with Super Hardness

 

 

 

 

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: 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: 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: Would you please tell me how to use casting parts for a year?The cast of an aircraft wing needs to be put aside for a year before it breaks;Does anyone know why?
3, the resonance method is cast on its resonant frequency vibration 1060ndn, to eliminate the residual stress in casting.
Q: Where is the precision casting factory?
Everywhere is. Look what you want to do
Q: Why should pig iron be used in casting?
Popular name is called pig iron, in fact, is a kind of cast iron without treatment, after casting, in iron elements to add other elements to improve casting performanceIt mainly improves the fluidity, reduces the melting point and reduces the shrinkage.Usually pure iron and cast iron at the eutectic point (about 4.7% carbon content) can be used for castingThere are many kinds of cast iron, usually grey cast iron, ductile iron and vermicular graphite iron......
Q: What do you mean by "proofing" in the casting? Do you charge for the proofing?
Proofing refers to making the first sample to confirm to the customer
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: Lathe processing stainless steel casting parts to use what type of tool, the speed into the amount of how much tool angle
Processing stainless steel materials, you can use YG class tools, such as YG8, YG8N. The tool geometric parameters g0=15 degrees to 18 degrees, a0=6 degrees to 8 degrees, kr=75 degrees, ls=-5 degrees to -8 degrees; cutting amount is Vc=43 m/min, ap=0.3 to 0.5 mm, f=0.16mm/r.
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,
CDE is one of the largest factory specialized in producing Forged Grinding Balls and Cast Grinding Balls in China. Our annual production of grinding balls is about 100,000 ton. Our company has passed ISO9001: 2000 quality system authentication. We mainly export our grinding balls to Chile, Peru, Ghana, Argentina, Philippine, South-Africa, Italy, Japan, Korea, India, Australia etc more than 20 countries and areas.

1. Manufacturer Overview

Location Shandong, China
Year Established 1971
Annual Output Value US$50 Million - US$100 Million
Main Markets Domestic Market, Southeast Asia, South Asia, North America, South America
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 6-10 People
Language Spoken: English, Chinese, Korean
b) Factory Information
Factory Size: Above 60,000 square meters
No. of Production Lines Above 10
Contract Manufacturing Forged Grinding Ball,Cast Grinding Ball,Casting Cylpebs,Grinding Rods,Decorative Steel Ball
Product Price Range Average

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