1.0978 (S380MC)

Country	Section	Category
Country	Section	Category
Germany	Alloy Steels	Steels for Other Applications

Standard	Fe, %	Si, %	Mn, %	Ti, %	V, %	Al, %	P, %	C, %	S, %	Nb, %
Standard	Fe, %	Si, %	Mn, %	Ti, %	V, %	Al, %	P, %	C, %	S, %	Nb, %
	> 97.31	< 0.5	< 1.5	< 0.22	< 0.2	< 0.015	< 0.025	< 0.12	< 0.02	< 0.09

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$KV_{T}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$KV_{T}$ , $J$	Treatment
					450–590	> 380	> 23	> 28	Stress relief 0.5 hours 530/580 ° С

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$KV_{T}$	$J$	Impact energy (transverse)