CHH28D2

for the details with high resistance to abrasion and wear in a milling equipment, screens and slide-ways, and pesko- sintering machines and shot blasting chambers at elevated temperatures.

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % P, % C, % S, %
GOST 7769-82 59.52–68.9 0.5–1.5 1.5–2.5 25–30 1.5–2.5 0.4–0.8 < 0.1 2.2–3 < 0.08

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ Treatment
Casting GOST 7769-82 390

Brinell hardness number

Rolling Standard Classifiers Value, HBW
GOST 7769-82 390–640

Standards

Standard Description
GOST 7769-82

Description of chemical elements

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

Description of mechanical properties

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