1.7027 (20Cr4)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr, Cr-B

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Al, % P, % C, % S, % O, %
96.848–98.33 < 0.4 0.6–0.9 0.9–1.2 < 0.3 < 0.05 < 0.035 0.17–0.23 < 0.035 < 0.002

Information on suppliers

Brinell hardness number

Rolling Standard Classifiers Value, HBW
soft, average vacation < 197

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
O % Oxygen