1.8913 (EStE420)

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, %
94.87–98.9 0.1–0.6 1–1.7 < 0.3 < 0.2 < 0.7 < 1 < 0.2 < 0.02 < 0.025 < 0.2 < 0.015 < 0.05 < 0.1 < 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
< 70 530–680 > 19 > 385
70–85 520–680 > 19 > 375
85–100 510–660 > 19 > 365
100–125 500–650 > 19 > 355
125–150 490–640 > 19 > 345
150–250 480–640 > 19 > 335

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