1.5680 (X12Ni5)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Ni

Chemical composition

Standard Fe, % Si, % Mn, % Ni, % V, % P, % C, % S, %
93.375–94.95 < 0.35 0.3–0.8 4.75–5.25 < 0.05 < 0.02 < 0.15 < 0.005

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
< 50 normalization 510–710 19–20 50 70 50–60
< 30 normalization 390
30–50 normalization 380
moderate hardening 21

Standards

Standard Description
EN 10028-4
EN 10216-4
EN 10222-3
EN 10269

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

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)
$$\psi$$ % Reduction in cross section on fracture
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)