VAL8 (AK8M3ch)

For the manufacture of power and sealed parts, working up to 250 degrees. Manufactured by injection molding.


Country Section Category
CIS, Russia, Ukraine Aluminum, aluminum alloys Foundry aluminum alloys

Chemical composition

Standard Fe, % Si, % Be, % Mg, % Ti, % Cu, % Zn, % Al, %
GOST 1583-93 < 0.4 7–8.5 0.1–0.25 0.2–0.45 0.1–0.25 2.5–3 0.5–1 86.15–89.6

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$
20 0.72 2730
100 22.9 130 920

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\sigma_{0.5}$$, $$MPa$$ Treatment
Casting in chill mold 382–410 340 4–7

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Casting in chill mold 60–90


SC 84B


Standard Description
GOST 1583-93

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Be % Beryllium
Mg % Magnesium
Ti % Titan
Cu % Copper
Zn % Zinc
Al % Aluminium

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
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma_{0.5}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.5%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength