Experimental Study on Seismic Fatigue Capacity of High- and Mild-Strength Structural Steels with and without Corrosion

Table 3

The chemical composition of S235, S355, S460, and S690.

Steel grade	Chemical composition
	C	Si	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr	Al
S235	0.17	—	1.40	0.035	0.035	0.012	—	—	0.55	—	—	—	—	—	—	—
S355	0.20	0.55	1.60	0.035	0.035	0.012	—	—	0.55	—	—	—	—	—	—	—
S460	0.18	0.65	1.80	0.035	0.03	0.027	—	0.35	0.60	0.23	0.06	0.85	0.06	0.14	—	0.015
S690	0.20	0.80	1.70	0.025	0.015	0.015	0.005	1.50	0.50	0.70	0.06	2.00	0.05	0.12	0.15	0.015