σU
MPa
σY
MPa
ϵL
KVT
J

1.0979 (S380NC)

Classification

Country Section Category
Germany Alloy Steels Steels for Other Applications

Chemical composition

Standard Fe, % Si, % Mn, % Ti, % Al, % P, % C, % S, % Nb, %
> 97.415 < 0.5 < 1.6 < 0.15 < 0.015 < 0.025 < 0.18 < 0.025 < 0.09

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}σU, MPaMPa \sigma_{Y}σY, MPaMPa \epsilon_LϵL, % KV_{T}KVT, JJ Treatment
500–640 > 380 > 25 > 28 Stress relief 0.5 hours 530/580 ° С. Normalization 1 max. 2 minutes. At mm thickness of 920/950 ° C (usually lowered).

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Ti % Titan
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium

Description of mechanical properties

Parameter Units of measurement Description
\sigma_{Y}σY MPaMPa Yield strength
\sigma _{U}σU MPaMPa Ultimate tensile strength
\epsilon_LϵL % Elongation at break (longitudinal)
KV_{T}KVT JJ Impact energy (transverse)