1.8911 (EStE380)

Particularly strong at low temperatures

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels High Strength Weldable Steels not Intended for Heat Treatment by User

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % V, % Al, % P, % C, % S, % Nb, % Mo, % N, %
95.39–98.9 0.1–0.6 1–1.7 < 0.3 < 0.2 < 0.2 < 1 < 0.2 < 0.02 < 0.025 < 0.2 < 0.015 < 0.05 < 0.08 < 0.02

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % $$R_{eH}$$, $$MPa$$ Treatment
< 70 500–650 > 20 > 345
70–85 490–640 > 20 > 335
85–100 480–630 > 20 > 325
100–125 470–620 > 20 > 315
125–150 460–610 > 20 > 305
150–250 450–610 > 20 > 295

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$R_{eH}$$ $$MPa$$ Upper yield point