Alloy aluminum AL1

Chemical composition

  • Al Aluminum Rest
    Fe Iron <0.8
    Si Silicon <0.7
    Mg Magnesium 1.25 — 1.75
    Cu Copper 3.75 — 4.50
    Ni Nickel 1.75 — 2.25
    Ti Titanium <0.1
    Zn Zinc <0.1
    Zr Zirconium <0.1
    Ot Total impurities <1.4
    Analogs in Russia

  • AK4 Included in 2 standards

    D4 GOST 2171−90

    AKD4 GOST 4784−97

    1140 GOST 4784−97

    AKD4Sh GOST 4784−97

    1140Sh GOST 4784−97

  • Analogs in the USA
  • AA2218 ANSI

    B 247 (2218) ASTM B247

    A92218 UNS

    2218 Included in 5 standards

For the manufacture of shaped castings. Technical requirements GOST 2685−75 Cast aluminum alloys. Stamps

Classification

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

Chemical composition

Standard Fe, % Si, % Mg, % Cu, % Zn, % Ni, % Al, %
GOST 2685-75 < 0.8 < 0.7 1.25–1.75 3.75–4.5 < 0.1 1.75–2.25 90.1–93.25

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 168 2750
100 22.3

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Metal rolling 180–210 0.5–1

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Metal rolling 85–90

Casting and technological parameters

linear shrinkage, % the temperature of the casting, °C
1.3 720

Analogues

Germany USA
GAICu4NiMg A02420

Standards

Standard Description
GOST 2685-75

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mg % Magnesium
Cu % Copper
Zn % Zinc
Ni % Nickel
Al % Aluminium

Description of physical characteristics

Parameter Units of measurement Description
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ 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
$$\epsilon_L$$ % Elongation at break (longitudinal)

Description of the casting and technological parameters

Parameter Units of measurement Description
linear shrinkage % The difference between model dimensions and the model casting
the temperature of the casting °C The temperature of the molten polymer is extruded from the heating cylinder into the mold