CHH28P

for parts with a high resistance after annealing in oxidizing zinc melts at 600 degrees C

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 61.92–70.9 1.5–2.5 < 1 25–30 0.8–1.5 1.8–3 < 0.08

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ Treatment
Casting GOST 7769-82 200

Brinell hardness number

Rolling Standard Classifiers Value, HBW
GOST 7769-82 245–390

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