for parts with high corrosion resistance to concentrated acids, alkalis, salt solutions (except hydrofluoric and fluorine compounds) at temperatures up to 200 degrees C; Avoid abrupt variables, as well as shock and temperature changes.


Country Section Category
CIS, Russia, Ukraine Cast iron High alloy cast iron

Chemical composition

Standard Fe, % Si, % Mn, % P, % C, % S, %
GOST 7769-82 83.63–87.4 12–14 < 0.8 < 0.1 0.6–1.4 < 0.07

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ Treatment
Casting GOST 7769-82 100

Brinell hardness number

Rolling Standard Classifiers Value, HBW
GOST 7769-82 290–390


Standard Description
GOST 7769-82

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength