Chemical Composition ::
Grade	C% (Max)	S% (Max)	P% (Max)	Mn% (Max)	Si% (Max)
FE 415	0.25	0.055	0.055	0.055	0.30
FE 500	0.25	0.050	0.050	0.060	0.30
FE 550	0.25	0.045	0.045	0.075	0.30