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China High Chrome Grinding Casting Cylpebs for Mining

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10 Tons	Contact Supplier

Local Area:	Wenzhou, Zhejiang, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, PayPal, WesternUnion, Small-amountpayment

Casting Method:	Sand Casting
Casting Form Material:	Metal
Casting Metal:	Cast Iron

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Product Description

Grinding media Balls
Chemical Composition
Name
Designation
Chemical Composition(%)
C
Si
Mn
Cr
P
S
Grinding media Balls
ZQCr26
2.0~3.3
≤1.2
0.3~1.5
>23~30
≤0.10
≤0.06
ZQCr20
2.0~3.3
≤1.2
0.3~1.5
>18~23
≤0.10
≤0.06
ZQCr15
2.0~3.3
≤1.2
0.5~1.5
>14~18
≤0.10
≤0.06
ZQCr12
2.0~3.3
≤1.2
0.5~1.5
>10~14
≤0.10
≤0.06
ZQCr8
2.1~3.3
<2.2
0.3~1.5
7~10
≤0.10
≤0.06
ZQCr5
2.1~3.3
<1.5
0.3~1.5
4~6
≤0.10
≤0.10
ZQCr2
2.1~3.6
<1.5
0.3~1.5
1~3
≤0.10
≤0.10
Physical Property
Name
Designation
Surface Hardness
Core Hardness
Microstructure
Times of Falling Balls
(HRC)
(HRC)
Grinding media Balls
ZQCr26
>58
>56
M+C
≥15000
ZQCr20
>58
>56
M+C
≥15000
ZQCr15
>58
>56
M+C
≥15000
ZQCr12
>58
>56
M+C
≥15000
ZQCr8
>50
>47
P+C
≥10000
ZQCr5
>48
>45
P+C
≥10000
ZQCr2
>46
>45
P+C
≥10000
M-Martensite P-Pearlite C-Carbide
Grinding media balls
Diameter(mm)
Φ8
Φ10
Φ12
Φ15
Φ17
Φ20
Φ25
Φ30
Φ40
Φ50
Φ60
Φ70
Φ80
Φ90
Φ100
Φ110
Φ120
Φ130
Chemical Composition
Name
Designation
C
Si
Mn
Cr
P
S
Rare earth
Grinding media balls
ZQCr12
2.0-3.3
≤1.0
0.5-1.5
≥10-14
≤0.08
≤0.08
Trace
Properties and Microstructure
Name
Designation
Surface Hardness(HRC
Core Hardness (HRC)
Impact Value(J/CM2)
Microstructure
Time of falling balls
Grinding media balls
ZQCr12
≥58
≥56
2
M+C
≥15000
Tolerance of Diameter
Diameter
Φ10-Φ25
25<Φ<60
60<Φ≤100
100<Φ
Tolerance of Diameter
+1.0
+1.5
+2.0
+3.0
-1.0
-1.0
-1.0
-1.0