CHG7H4

for the details with increased resistance to abrasive wear and abrasion and pulpo- pyleprovodah, mills, etc.

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 81.05–86.6 1.4–2 6–8 3–5 < 0.1 3–3.8 < 0.05

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 7769-82 390–450

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