1.1331 (WStE255S)

Classification

Country Section Category
Germany Non-alloy Special Steels Structural Pressure Vessel and Engineering Steels with Special Requirements

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % V, % Al, % P, % C, % S, % Nb, % Mo, % N, %
97.14–99.6 < 0.4 0.4–1.3 < 0.3 < 0.02 < 0.18 < 0.3 < 0.02 < 0.02 < 0.02 < 0.18 < 0.015 < 0.005 < 0.08 < 0.02

Information on suppliers

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