1.6739 (30NiCrMo9-5)

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, % Al, % P, % C, % S, % Mo, %
93.81–95.73 0.1–0.4 0.5–0.8 1–1.5 2–2.5 < 0.05 < 0.01 0.27–0.32 < 0.01 0.4–0.6

Information on suppliers

Description of chemical elements

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