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TECHNICAL SPECIFICATION


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IS 4522
 
Gr 1
Gr 2
Gr 3
Gr 4
Gr 5
Gr 6
Gr 7
C
0.40 MAX
0.3-0.6
1.2-1.4
0.2-0.5
0.2-0.5
0.2-0.5
0.2-0.5
Mn
1.0 MAX
1.0 MAX
1.0 MAX
1.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
Si
2.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
S
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
P
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
Cr
12.0-14.0
27.0-30.0
27.0-30.0
26.0-30.0
18.0-20.0
26.0-30.0
23.0-27.0
Ni
1.0 MAX
NIL
NIL
4.0-7.0
8.0-10.0
8.0-10.0
11.0-14.0
Mo
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX

IS 4522
 
Gr 8
Gr 9
Gr 10
Gr 11
Gr 12
Gr 13
Gr 14
C
0.15-0.35
0.2-0.5
0.2-0.5
0.2-0.5
0.35-0.75
0.35-0.75
0.35-0.75
Mn
1.5 MAX
2.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
2.0 MAX
Si
2.5 MAX
2.0 MAX
2.0 MAX
2.0 MAX
2.5 MAX
2.5 MAX
2.5 MAX
S
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
P
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
0.050 MAX
Cr
19.0-21.0
23.0-27.0
28.0-32.0
19.0-23.0
15.0-19.0
17.0-21.0
15.0-19.0
Ni
13.0-15.0
18.0-22.0
18.0-22.0
23.0-27.0
33.0-37.0
37.0-41.0
64.0-68.0
Mo
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX
0.5 MAX

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