1.8972 (L415NB)

Classification

Country	Section	Category
Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	High Strength Weldable Steels not Intended for Heat Treatment by User

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Nb, %	Mo, %	N, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Nb, %	Mo, %	N, %
EN 10208-2	96.433–99.985	< 0.45	< 1.6	< 0.3	< 0.04	< 0.25	< 0.3	< 0.15	0.015–0.06	< 0.025	< 0.21	< 0.02	< 0.05	< 0.1	< 0.012

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.5}$ , $MPa$	$\epsilon_L$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{0.5}$ , $MPa$	$\epsilon_L$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
					520	415–565	18–20	60	40

Standards

Standard	Description
Standard	Description
EN 10208-2

Description of chemical elements

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

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma_{0.5}$	$MPa$	Tensile stress required to produce a total elongation of 0.5%
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$KV_{L}$	$J$	Impact energy (longitudinal)
$KV_{T}$	$J$	Impact energy (transverse)