1.4571 (X6CrNiMoTi17-12-2)

Classification

Country	Section	Category
Country	Section	Category
Germany	Stainless and Heat Resisting Steels	Stainless Steels with Special Additions

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	P, %	C, %	S, %	Mo, %
	61.66–71	< 1	< 2	16.5–18.5	< 0.7	10.5–13.5	< 0.045	< 0.08	< 0.015	2–2.5

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	200		15	8000	0.5	0.75
100		16.5
200		17.5
300		18
400		18.5
500		19
600		19
700		19.5
800		19.5

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
				annealing, soft	500–700	200–240	30–40		100	60
				solution annealing	500–730	190–210	35–45
				solid, solution annealing, cold drawn	810–850
		2–50						60–65

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
		annealing, soft	215
		solution annealing	210

Analogues

CIS, Russia, Ukraine
CIS, Russia, Ukraine
08H17N13M2T
AISI 316Ti
10X17H13M2T (EI448)
EI448

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ti	%	Titan
Ni	%	Nickel
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\alpha\cdot 10^{6}$	$K^{-1}$	Coefficient of thermal (linear) expansion (range 20°C–T)
$\varkappa$	$\frac{W}{m\cdot K}$	Coefficient of thermal conductivity (the heat capacity of the material)
$\rho$	$\frac{kg}{m^3}$	The density of the material
$c\cdot 10^{-3}$	$\frac{J}{kg\cdot K}$	The specific heat of the material (range 20°C–T)
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

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
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture
$KV_{L}$	$J$	Impact energy (longitudinal)
$KV_{T}$	$J$	Impact energy (transverse)