Answer Posted / a.r.venkatesha

Answer 2 is correct spec
IS : 2062 - Specification of Steel for General Structural
Purposes.It is the indian standard specification code for
Mild Steel.
CHEMICAL COMPOSITION
Grade C% Max. Mn% Max. S% Max. P% Max. Si% Max. C.E.%
Max.
A 0.23 1.50 0.050 0.050 0.40 0.42
B 0.22 1.50 0.045 0.045 0.40 0.41
C 0.20 1.50 0.040 0.040 0.40 0.39
MECHANICAL PROPORTIES
Grade UTS(MPa) Min. Y.S.(MPa) Min. El.% Min. 5.65 Sqrt(So)
Bend
Test
A 410 250 240 230 23 3T
B 410 250 240 230 23 2T & 3T *
C 410 250 240 230 23 2T
* 2T - <= 25mm
* 3T - > 25mm
Density = 7850 Kg / m3

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