1.0939 (H300X)

Classification

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

Chemical composition

Standard	Fe, %	Si, %	B, %	Mn, %	V, %	Al, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	B, %	Mn, %	V, %	Al, %	P, %	C, %	S, %
SEW097-2	> 94.76	< 0.8	< 0.005	< 2	< 0.2	< 2	< 0.08	< 0.14	< 0.015

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_{L (L_0 = 80 mm)}$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_{L (L_0 = 80 mm)}$ , %	Treatment
					500	300–380	23

Standards

Standard	Description
Standard	Description
SEW097-2

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
B	%	Bor
Mn	%	Manganese
V	%	Vanadium
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma_{0.2}$	$MPa$	Tensile stress required to produce a total elongation of 0.2%
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_{L (L_0 = 80 mm)}$	%	Elongation at break (longitudinal) (for L₀ = 80 mm)