Chemical Requirements

Element / Component	Composition %
Carbon ( C )	0.17 max
Manganese ( Mn )	0.65 max
Phosphorus ( P )	0.030 max
Sulphur ( S )	0.030 max
Silicon ( Si )	0.35 max
Aluminium ( Al )	-
Chromium ( Cr )	-
Copper ( Cu)	0.55 max
Nitrogen ( N )	0.012 max

   Mechanical Requirements

Items	Value
Yield Strength ReH N/mm2	225 min
Tensile Strength Rm N/mm2	360 - 510
Elongation ( A )	26% min
Impact Test ( J )	27 min