Table 1.

Chemical composition in wt. % and mechanical properties of medium Mn steel (MMS).

Material/Element	C	Si	Mn	S	Al	V	Fe	Heat Treatment	YS/TS, MPa	Elongation, %	PSE, GPa•%
M7B	0.20	0.24	7.51	0.014	0.035	0.11	Bal	batch annealing 12 h	1450/1614	22.0	35.5
M10B	0.15	0.17	10.4	0.013	1.49	<0.01	Bal	batch annealing 12 h	980/1390	30.3	42.1

YS/TS: Yield Strength/Tensile Strength, PSE: The product of strength and elongation.