1.6749 (23CrNiMo7-4-7)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Ni-Mo with Mo <0.4% + 3.5% =< Ni < 5%, or Mo>= 0.4%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, %
SEW555 94.623–96.1 < 0.3 0.5–0.8 1.7–2 0.9–1.2 < 0.01 0.2–0.26 < 0.007 0.6–0.8

Information on suppliers

Standards

Standard Description
SEW555

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum