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

Table 4

Average percentage elongation after fracture (cooled down).

T (°C)	Percentage elongation after fracture (%)
	S350	S420	G500
20	32.02	29.99	2.76
100	22.71	20.82	6.06
200	22.40	23.92	3.94
300	40.25	41.41	12.01
400	43.18	45.67	10.34
500	49.07	54.17	10.68
600	63.80	66.97	68.38
700	64.00	56.80