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

Table 10

Ramberg–Osgood hardening parameters from regression fitting, with K_T = 0.002.

T (°C)	for S350 steels	for S420 steels	for G500 steels
200	—	—	0.980
300	0.946	0.980	0.986
400	0.876	0.986	0.925
500	0.751	0.925	0.731
600	0.575	0.731	0.042
700	0.095	0.042	—