Experimental and Numerical Study of Mild Steel Behaviour under Cyclic Loading with Variable Strain Ranges

Table 1

Chemical composition of liquid alloys of S275 and S355 (%).

	Steel grade	C	Mn	Si	P	S	N	Cu	Ni	Cr	Mo	V	Al	Ti	Nb
EN 10025 standard	S275	<0.18	<1.5	<0.55	<0.03	<0.03	<0.012	<0.55	—	—	—	—	—	—	—
	S355	<0.2	<1.6	>0.14	<0.03	<0.03	<0.012	<0.55	—	—	—	—	—	—	—
				<0.25
Measured value	S275	0.173	1.02	0.021	0.016	0.005	0.0051	0.008	0.012	0.014	0.001	0.001	0.05	0.001	0.001
	S355	0.16	1.36	0.192	0.015	0.007	0.005	0.04	0.02	0.07	0.01	0.01	0.041	<0.001	0.03