1.6368 (15NiCuMoNb5-6-4)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % Al, % P, % C, % S, % Nb, % Mo, % N, %
95.115–97.185 0.25–0.5 0.8–1.2 < 0.3 0.5–0.8 1–1.3 < 0.015 < 0.025 < 0.17 < 0.01 0.015–0.045 0.25–0.5 < 0.02

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$KV_{T}$$, $$J$$ Treatment
< 60 610–780 16–19 27
60–100 600–760 430
100–150 590–740 420
150–200 580–740 410
< 40 460
40–60 440

Standards

Standard Description
EN 10028-2
EN 10216-2
SEW028

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)