Casting grinding steel ball with 20mm - 120mm for ball mill Coal Mining

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Casting grinding steel ball for 20mm--120mm for ball mill Coal Mining

Breif Description:

1. Size: Φ10mm-140mm

2. Material: high/medium/low chrome alloyed

Low Chrome: Cr=1-3%,Medium Chrome: Cr=3-9%High Chrome: 15-23% Super High Chrome: Cr=10-13%

3. Characteristics: high hardness, good wear resistant, low breakage, no deformation.

4. Hardness: 45-65HRC; Breakage rate ≤1%; Drop times≥10,000.00

5. Application: cement, metallurgy, mining, electric power, chemical and magnets industries.
Inspection: SGS/BV/TUV
Origin: Shandong Province, China

 

Packing
1.Bags:1000KG polypropylene bags which are highly resistant to UV rays and secure bag straps to reduce time and effort in loading and unloading.
2.Drums:Recyeled drums can also be supplied. The drums have a removable lid and compression ring for secure storage.Drums are more efficient for some modes of transportation and can also be delivered on wooden pallets.

 

Shipping:
1.Port of Loading: Qingdao Port,China
2.Partial shippment allowed
3.By DHL/TNT express for samples order.Door to door to delivery;
4.Appointed freight forwarder by customers is acceptable

 


Specification:

Name Chemical Elements (%)
C Si Mn Cr Mo Cu P S
Low Cr Balls 2.1-3.6 ≤1.5 0.3-1.5 1-3 0-1 ≤0.8 ≤0.1 ≤0.1
Middle Cr Balls 2.0-3.3 ≤1.2 0.3-1.5 3-6 0-1 ≤1.2 ≤0.1 ≤0.06
Normal High Cr 2.0-3.3 ≤1.2 0.3-1.5 10-13 0-3 ≤1.2 ≤0.1 ≤0.06
Super High Cr 2.0-3.3 ≤1.2 0.3-1.5 15-23 0-3 ≤1.2 ≤0.1 ≤0.06

 

Performance

Nominal
diameter
(mm)

Diameteical
tolerance
(mm)

Weight of Single
of forging ball
in average

Number of piece of
One ton forging ball in average

Surface
hardness

Impact
toughness

DIA 20
DIA 25
DIA 30
DIA 40
DIA 50

 
 
+2
-1

32
64
110
263
513

31250
15625
9090
3802
1949

55-65

≥12

DIA 60
DIA 70
DIA 80
DIA 90

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Mr. Mr. Housongcun
Tel: 86-531-83801383
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Contact Method
Oriental Casting and Forging Co., Ltd.
GAOXINJINAN, Jinan, Shandong, China (Mainland)
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