Specification of Steel For General Structural Purposes (Indian Standard)
Chemical Composition
Grade
A
B
C
C% Max.
0.230
0.220
0.200
Mn% Max.
1.500
1.500
1.500
S% Max.
0.050
0.045
0.040
P% Max.
0.050
0.045
0.040
Si% Max.
0.400
0.400
0.400
C.E.% Max.
0.420
0.410
0.390
Mechanical Properties
Grade
A
B
C
UTS(MPa) Min.
410
410
410
Y.S (MPa)
<20mm
250
250
250
20-40mm
240
240
240
Min>40mm
230
230
230
EL% Min. 5.65 sq(S0)
23
23
23
Bend Test
3T
2T & 3T *
.
* 2T - < 25 mm
* 3T - more than 25 mm
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