1.6308 (18MnMoNi5-5)

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, % Ni, % V, % P, % C, % S, % Mo, %
EN 10222-2 96.43–97.9 < 0.4 1.15–1.55 0.5–0.8 < 0.03 < 0.025 < 0.2 < 0.015 0.45–0.55

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
moderate hardening 550–670 400 20 56 40

Standards

Standard Description
EN 10222-2

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Ni % Nickel
V % Vanadium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum

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