VHH1

For building-up valves for internal combustion engines and other parts with similar requirements.

Classification

Country Section Category
CIS, Russia, Ukraine Heat resistant steels and alloys Heat resistant alloys

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, %
OST 1-90078 - 72 < 5 2–2.75 < 0.5 35–40 50.4–62 < 0.03 1–1.25 < 0.07

Information on suppliers

Standards

Standard Description
OST 1-90078 - 72

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