CHH16

for parts with heat resistance in air up to 900 degrees C, wear-resistant at normal and elevated temperatures, resistance to impact high concentrations of inorganic acids

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, %
GOST 7769-82 75.25–83.9 1.5–2.2 < 1 13–19 < 0.1 1.6–2.4 < 0.05

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ Treatment
Casting GOST 7769-82 350

Brinell hardness number

Rolling Standard Classifiers Value, HBW
GOST 7769-82 400–450

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