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Shangdong Yafeite Metal Abrasive Co., Ltd

CHN:
+86-531-87170006
+86-531-87170005
INTL:
+86-531-87078055
+86-531-87078066
FAX:
+86-531-89006116
+86-531-89006226
MAIL:
yafeite@sdgangtie.com
ADD:
Jinan Iron and Steel Industrial Zone, North Industry Road, Jinan City, Shandong Province, China
ZIP:
250000
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casting steel ball

high wear-resisting ball
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Low  chrome cast grinding ball



Low  chrome cast grinding ball

Card no.
Chemical analysis
C
Si
Mn
Cr
P
S
Mo
AI
ZQCr
2.0-3.5
≤1.2
≤1.0
0.5-1.5
≤0.15
≤0.20
trace
trace
Cu
Ni
Nb
Ti
Zr
V
B
Mg
trace
trace
trace
trace
trace
trace
trace
trace

 

Mechanical properties and microstructure 




Low  chrome cast grinding ball



Card no.
HRC 
(HRC)
impact value 
Ak(J/cm2)
The microstructure
Falling ball impact fatigue life
ZQCr
≥45
≥1.6
P+C
>5000

High chrome cast grinding ball


牌号Grade
 chemical composition(%)
C
Si
Mn
Cr
P
S
Mo
Cu
Ni
ZQCr10
2.0-3.2
0.3-1.2
0.2-1.0
10-13
≤0.10
≤0.10
0-2.0
0-1.0
0-1.5
ZQCr17
2.0-3.0
0.3-1.2
0.2-1.0
15-18
≤0.10
≤0.10
0-2.0
0-1.0
0-1.5
ZQCr20
2.0-2.8
0.3-1.0
0.2-1.0
18-22
≤0.10
≤0.08
0-2.5
0-1.0
0-1.5
ZQCr26
2.0-2.8
0.3-1.0
0.2-1.0
22-28
≤0.10
≤0.08
0-2.5
0-2.0
0-1.5
硬度(HRC)
冲击值ak(J/cm2)
落球冲击值疲劳寿命(次数)Times of falling Balls
金相组织 Microstructure
56-63
≥3.0
≥15000
M+C
M-马氏体 Martensite  C-碳化物 Carbide
产品规格(mm)Specification
φ8
φ10
φ12
φ15
φ17
φ20
φ25
φ30
φ40
φ50
φ60
φ70
φ80
φ90

φ100

φ110
φ120
φ130

chromium in paragraph



chemical composition(%)
C
Si
Mn
Cr
P
S
Mo
Cu
Ni
1.7-3.2
0.3-1.2
0.2-1.0
10-13
≤0.10
≤0.10
0-3.0
0-1.0
0-1.5
硬度(HRC)
金相组织 Microstructure
M-马氏体 Martensite  C-碳化物 Carbide
产品规格(mm)Specification
φ8×10
φ10×12
φ12×14
φ14×16
φ16×18
φ18×20
φ20×20
φ20×25
φ25×30
φ30×35
φ35×40
φ40×45