1.8972 (L415NB)

Classification

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, %
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

Information on suppliers

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
520 415–565 18–20 60 40

Standards

Standard Description
EN 10208-2

Description of chemical elements

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
$$\sigma_{0.5}$$ $$MPa$$ 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)