Influence of Niobium on the Beginning of the Plastic Flow of Material during Cold Deformation

Table 1

Chemical composition of steels [2].

Element	C, %	Mn, %	Si, %	P, %	S, %	Al, %	Nb, %	N, %
Niobium microalloyed steel	0,12	0,78	0,18	0,011	0,018	0,020	0,048	0,008
Low carbon steel	0,13	0,77	0,18	0,010	0,019	0,020	—	—