1.7012 (13Cr2)

Classification

Country	Section	Category
Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Cr, Cr-B

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	P, %	C, %	S, %
	98.32–99.05	0.15–0.35	0.4–0.6	0.3–0.5	< 0.035	0.1–0.16	< 0.035

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KU$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KU$ , $J$	Treatment
		< 11			690–930	> 685	> 14	> 35	> 48	After carburization, in the core
		< 30			540–690	> 635	> 17	> 40	> 48	Cementation, in the core

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
		soft, average vacation	< 170

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

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
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture
$KU$	$J$	Impact energy