1.4905 (X11CrMoWVNb9-1-1)

Classification

Country	Section	Category
Country	Section	Category
Germany	Stainless and Heat Resisting Steels	Materials with Elevated Temperature Properties

Chemical composition

Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Nb, %	Mo, %	N, %	W, %
Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Nb, %	Mo, %	N, %	W, %
EN 10302	86.155–88.8195	0.1–0.5	0.0005–0.005	0.3–0.6	8.5–9.5	0.1–0.4	0.18–0.25	< 0.04	< 0.02	0.09–0.13	< 0.01	0.06–0.1	0.9–1.1	0.05–0.09	0.9–1.1

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_L$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.2}$ , $MPa$	$\epsilon_L$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
				moderate hardening	620–850	450	19
				Hardening, normalization				40	27

Standards

Standard	Description
Standard	Description
EN 10302

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
B	%	Bor
Mn	%	Manganese
Cr	%	Chrome
Ni	%	Nickel
V	%	Vanadium
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Nb	%	Niobium
Mo	%	Molybdenum
N	%	Nitrogen
W	%	Tungsten

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)
$KV_{L}$	$J$	Impact energy (longitudinal)
$KV_{T}$	$J$	Impact energy (transverse)