1.6220 (G20Mn5)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % V, % P, % C, % S, % Mo, %
95.98–98.83 < 0.6 1–1.6 < 0.3 < 0.3 < 0.8 < 0.03 < 0.02 0.17–0.23 < 0.02 < 0.12

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % $$KV_{L}$$, $$J$$ Treatment
moderate hardening 500–650 22 60
normalization 480–620 300 20 50

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{0.2}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.2%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)