CHVG35

general machinery parts working at high cyclic mechanical stress; ICE parts operating at high temperatures and variable mechanical loading

Classification

Country Section Category
CIS, Russia, Ukraine Cast iron Vermicular Graphite Cast Iron

Chemical composition

Standard Fe, % Si, % Mg, % Mn, % Cr, % РЗЭ, % P, % C, % S, %
GOST 28394-89 92.317–93.98 2.2–2.8 0.02–0.028 0.2–0.6 < 0.15 0.1–0.2 < 0.08 3.5–3.8 < 0.025

Information on suppliers

Physical characteristics

Temperature, °C E\cdot 10^{9}, MPa \alpha\cdot 10^{6}, K^{-1} \varkappa, \frac{W}{m\cdot K} \rho, \frac{kg}{m^3}
20 137 48 7100
100 13

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{P}, MPa \epsilon_L, % Treatment
Castings GOST 28394-89 350 260 2

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 28394-89 140–190

Standards

Standard Description
GOST 28394-89

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mg % Magnesium
Mn % Manganese
Cr % Chrome
РЗЭ % Rare earth elements
P % Phosphorus
C % Carbon
S % Sulfur

Description of physical characteristics

Parameter Units of measurement Description
E\cdot 10^{9} MPa Elastic modulus
\alpha\cdot 10^{6} K^{-1} Coefficient of thermal (linear) expansion (range 20°C–T)
\varkappa \frac{W}{m\cdot K} Coefficient of thermal conductivity (the heat capacity of the material)
\rho \frac{kg}{m^3} The density of the material

Description of mechanical properties

Parameter Units of measurement Description
\sigma _{U} MPa Ultimate tensile strength
\sigma_{P} MPa Proportionality limit
\epsilon_L % Elongation at break (longitudinal)