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> Grey Cast Iron
ASTM Grade
Class 20
Class 30
Class 35
Class 40
KS Grade
GC 15
GC 15
GC 25
GC 30
Tensile Strength (PSIx103)
20-27
24-34
30-40
40-45
Tensile Strength (Kg/mm2)
13-29
17-24
22-28
27-31
Brinell Hardness
201 Max
223 Max
241 Max
262 Max
 
> Ductile Cast Iron
ASTM Grade
60-40-18
60-45-12
80-55-06
100-70-03
120-90-02
KS Grade
DCI40
DCI 45
DCI 55
DCI 70
CDI 80
Tensile Strength (PSIx103)
60 Min
65 Min
80 Min
100 Min
120 Min
Tensile Strength (Kg/mm2)
40 Min
45 Min
55 Min
70 Min
80 Min
Yield Strength (PSIx103)
40 Min
45 Min
55 Min
70 Min
90 Min
Yield Strength (g/mm2)
28 Min
32 Min
38 Min
50 Min
60 Min
Elongation (%)
18 Min
12 Min
6 Min
3 Min
2 Min
 

 

 
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