Chrome Casting Balls
1).No deformation
2).No breaking
3).Lower wear rate longer lasting chromium
2).No breaking
3).Lower wear rate longer lasting chromium
4).Our products have obtained ISO9001:2008 International Quality System Authentication
Executive standard of product GB/T17445-2009Casting balls:
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Name
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Designation
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Chemical Composition(%)
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|||||||||
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C
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Si
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Mn
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Cr
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Mo
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Cu
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Ni
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P
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S
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Higher Chrome Casting iron Balls
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ZQCr20
|
2.0-3.0
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≤1.0
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0.2-1.5
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18-22
|
0-2.5
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0-1.2
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0-1.5
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≤0.10
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≤0.10
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|
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ZQCr15
|
2.0-3.0
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≤1.0
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0.2-1.5
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14-17
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0-3.0
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0-1.0
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0-1.5
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≤0.10
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≤0.10
|
||
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High Chrome Casting iron Balls
|
ZQCr12
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2.0-3.0
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≤1.0
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0.2-1.5
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10-14
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0-1.0
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0-2.0
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0-1.5
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≤0.10
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≤0.10
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|
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Middle Chrome Casting iron Balls
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ZQCr7
|
2.1-3.2
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0.5-2.2
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0.2-1.5
|
6-10
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0-1.0
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0-0.8
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0-1.5
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≤0.10
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≤0.10
|
|
|
Low Chrome Casting iron Balls
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ZQCr2
|
2.2-3.6
|
≤1.2
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0.2-1.5
|
1.0-3.0
|
0-1.0
|
0-0.8
|
_
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≤0.10
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≤0.10
|
|
|
Name
|
Designation
|
Hardness(HRC)
|
AK(j/cm²)
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Microstructure
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Times of Falling Balls
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|
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Quenched
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Unquenched
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High Chrome Casting iron Balls
|
ZQCr20
|
≥56
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≥45
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≥4.0
|
M+C
|
≥8000
|
|
|
|||
|
High Chrome Casting iron Balls
|
ZQCr15
|
≥56
|
≥45
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≥4.0
|
≥8000
|
|
|
||||
|
ZQCr13
|
≥56
|
≥49
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≥4.0
|
≥8000
|
|
|
|||||
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Middle Chrome Casting iron Balls
|
ZQCr7
|
_
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≥48
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≥4.0
|
|
≥8000
|
|
|
|||
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Low Chrome Casting iron Balls
|
ZQCr2
|
_
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≥45
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≥4.0
|
|
≥8000
|
|
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