1.6217 (13MnNi6-3)

Classification

Country	Section	Category
Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Ni-Si, Ni-Mn, Ni-Cu

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Nb, %
Standard	Fe, %	Si, %	Mn, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Nb, %
	96.635–98.85	< 0.5	0.85–1.7	0.3–0.85	< 0.05	< 0.02	< 0.025	< 0.16	< 0.01	< 0.05

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
		< 80		normalization	490–610		22	70	45–50
				Hardening, normalization	420–610
		< 30		normalization		355
		30–50		normalization		345
		50–80		normalization		335
		< 35		Hardening, normalization		285
		35–50		Hardening, normalization		275
		50–70		Hardening, normalization		265

Standards

Standard	Description
Standard	Description
EN 10028-4
EN 10216-4
EN 10222-3

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Ni	%	Nickel
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
$\epsilon_L$	%	Elongation at break (longitudinal)
$KV_{L}$	$J$	Impact energy (longitudinal)
$KV_{T}$	$J$	Impact energy (transverse)