CHH3

for parts with high corrosion resistance in the gas, air, alkaline environments under friction and wear; heat resistant in air to 700 degrees C

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, %
GOST 7769-82 87.98–92.19 2.8–3.8 < 1 2.01–3 < 0.3 3–3.8 < 0.12

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ Treatment
Casting GOST 7769-82 150

Brinell hardness number

Rolling Standard Classifiers Value, HBW
GOST 7769-82 228–364

Standards

Standard Description
GOST 7769-82

Description of chemical elements

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

Description of mechanical properties

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