Romania · STAS

T 21

STAS 12404

Chemical composition

wt% · log scale

min – max range
typical value

Chemical composition

Element	min	max	Similar	Remarks
C	0.17	0.25
Cr		0.3
Cu		0.3
Mn	0.5	0.8
Ni		0.4
P		0.035
S		0.035
Si	0.3	0.5