Mechanical Properties of Steels for Cold-Formed Steel Structures at Elevated Temperatures

Table 1

Chemical composition of S350, S420, and G500 steels.

S350 (1.0 mm)	C (%)	Mn (%)	Al (%)	S (%)	Nb (%)
	0.06	0.8	0.045	0.02	0.015
S420 (1.0 mm)	C (%)	Mn (%)	Al (%)	S (%)	Nb (%)
	0.06	0.6	0.045	0.015	0.09
G500 (1.2 mm)	C (%)	Mn (%)	Al (%)	S (%)	B (%)
	0.04	0.22	0.038	0.015	0.002

Percentage of element by mass.