σU
MPa
σY
MPa
ϵL(L0=80mm)
ϵL(L0=5.65So√)

1.0977 (S355NC)

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Ti, %	V, %	Al, %	P, %	C, %	S, %	Nb, %
Standard	Fe, %	Si, %	Mn, %	Ti, %	V, %	Al, %	P, %	C, %	S, %	Nb, %
	97.325–99.985	< 0.5	< 1.6	< 0.15	< 0.1	> 0.015	< 0.025	< 0.18	< 0.015	< 0.09

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_{L (L_0 = 80 mm)}$ , %	$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_{L (L_0 = 80 mm)}$ , %	$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$ , %	Treatment
					470–610	355
		< 3					20
		> 3						25

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Ti	%	Titan
V	%	Vanadium
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Nb	%	Niobium

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_{L (L_0 = 80 mm)}$	%	Elongation at break (longitudinal) (for L₀ = 80 mm)
$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$	%	Elongation at break (longitudinal) (for L₀ = 5.65√So)