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Company Name: Jinan Xinte Casting And Forging Co.,ltd
Address: Taitou Industry Zone,Guanzhuang Town,Zhangqiu City,Shandong Province,China
Boss:     Mr. Jindong Chen
Tel:        0086-531-83805896
Mobile:13964054179   
Fax:       0086-531-83805868 
Website: Http://www.xintedz.com 
E-mail:    xinte@xintedz.com  
              xinteduanzao@126.com  

Products
Cast Grinding Ball
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Detailed introduction:
 
1. Chemical Composition
Items
Brand
Chemical composition(%)
C
Si
Mn
Cr
Mo
Cu
Ni
P
S
High chrome casting iron ball
ZQCr20
2.0~3.0
≤1.0
0.5~1.5
18~22
0~2.5
0~1.2
0~1.5
≤0.10
≤0.10
High chrome casting iron ball
ZQCr15
2.0~3.0
≤1.0
0.5~1.5
12~17
0~3.0
0~1.0
0~1.5
≤0.10
≤0.10
High chrome casting iron ball
ZQCr13
2.0~3.0
≤1.0
0.5~1.5
11~14
0~1.0
0~2.0
0~1.5
≤0.10
≤0.10
Middle chrome casting iron ball
ZQCr7
2.1~3.2
0.5~2.2
0.5~1.5
6~10
0~1.0
0~0.8
0~1.5
≤0.10
≤0.10
Low chrome casting iron ball
ZQCr2
2.2~3.6
≤1.2
0.5~1.5
1.0~3.0
0~1.0
0~0.8
——
≤0.10
≤0.10
Bainite ductile casting iron ball
ZQSi3
3.2~3.8
2.0~3.5
2.0~3.0
——
——
——
——
≤0.10
≤0.03
 
2. Mechanical Properties 
    Items
     Brand
Surface hardness(HRC)
Endurance impact test(Times)
Quenched
Unquenched
High chrome casting iron ball
ZQCr20
≥56
≥45
≥8000
High chrome casting iron ball
ZQCr15
≥56
≥45
≥8000
High chrome casting iron ball
ZQCr13
≥56
≥49
≥8000
Middle chrome casting iron ball
ZQCr7
≥48
≥8000
Low chrome casting iron ball
ZQCr2
≥45
≥8000
Bainite ductile casting iron ball
ZQSi3
≥50
≥8000
 
3. Size of Casting Balls
Items
SIZES
F17
F20
F25
F30
F40
F50
F60
F70
F80
F90
F100
F110
F120
F130
Tolerance
+1.0
-1.0
+2.0
-1.0
+3.0
-1.0
+3.5
-1.5
Difference beitween max diam and min diam
 
 
≤1.0
 
 
≤2.0
 
 
≤3.0
 
 
≤4.0
 
4. Product performance: High hardness, Unbreakable, Good wear-resistance, Low consumption rate, Uniformity of hardness from surface to core.
 
5. Application fields: Industries of cement building material,metallurgical selection in mine,grinding coal in power plant,chemical industry and machinery,etc.
 
 
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