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LOW Cr CASTING STEEL BALL
Product description
Product description:
low Cr casting steel ball, Cr:1.5-3.0 ,Diameter 20-130mm.hardness 45-55.High Cr casting steel ball,Cr:10-12.5,Diameter 20-130,hardness 56-66;Cr;13-26,Diameter 20-130,hardness 60-66.
low Cr Casting steel ball
Chemical ingredients (%):
Chemical ingredients
C
Si
Mn
Cr
P
S
Mo
Cu
Ni
Ti
Mg
1.8-3.2
≤1.5
0.3-1.0
1.5-3.0
≤0.1
≤0.1
Minute quantity
Mechanical properties and microstructure:
Name
hardness
Impact value
(J2/CM)
microstructure
Falling ball impact
Low Cr casting steel ball
45-55
＞2
P + C
＞10000
P - Pearlite C- Carbide
Product specification:
Specification (mm)
Each Weight(KG)
Number per ton
Φ 20
0.0322
31056
Φ 25
0.063
15873
Φ 30
0.11
9091
Φ 40
0.257
3891
Φ 50
0.50
2000
Φ 60
0.867
1153
Φ 70
1.37
729
Φ 80
2.05
487
Φ 90
2.9
345
Φ 100
4.00
250
Φ 110
5.3
188
Φ 120
6.80
147
Φ 130
8.74
114
INTRODUCTION:
Fatigue life
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