AL9-1 (AK7pch)

For the manufacture of shaped castings; The alloy has a high tightness.

Classification

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

Chemical composition

Standard Fe, % Si, % B, % Be, % Sn, % Mg, % Mn, % Ti, % Cu, % Zn, % Zr, % Al, % Pb, %
GOST 1583-93 < 0.3 7–8 < 0.1 < 0.1 < 0.005 0.25–0.4 < 0.1 0.08–0.15 < 0.1 < 0.2 < 0.1 90.85–92.67 < 0.03

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 0.7 2660 45.7
100 21.8 155 880

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\sigma_{0.5}$$, $$MPa$$ Treatment
Casting under pressure 210 2
Casting in chill mold 300–320 240–250 5–6

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Casting under pressure 55
Casting in chill mold 70–75

Analogues

USA CIS, Russia, Ukraine Germany
336 A356.0 G-AlSi7Mg

Standards

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Be % Beryllium
Sn % Tin
Mg % Magnesium
Mn % Manganese
Ti % Titan
Cu % Copper
Zn % Zinc
Zr % Zirconium
Al % Aluminium
Pb % Lead

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)
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ Electrical resistivity

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