ML5pch

for the production of shaped castings

Classification

Country Section Category
CIS, Russia, Ukraine Magnesium Foundry magnesium alloys

Chemical composition

Standard Fe, % Si, % Be, % Mg, % Mn, % Cu, % Zn, % Ni, % Zr, % Al, %
GOST 2856-79 < 0.007 < 0.08 < 0.002 89.57–92.15 0.15–0.5 < 0.04 0.2–0.8 < 0.001 < 0.002 7.5–9

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 43 78.9 1810 1.0467
100 28.1

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % Treatment
250–255 95–120 5–6.5 8.5–16
Casting GOST 2856-79 in sandy form 160 90 2

Casting and technological parameters

linear shrinkage, % the temperature of the casting, °C the crystallization temperature, °C
1.1–1.3 720–800 600–430

Analogues

Germany USA
AZ 81 AZ81A

Standards

Standard Description
GOST 2856-79

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Be % Beryllium
Mg % Magnesium
Mn % Manganese
Cu % Copper
Zn % Zinc
Ni % Nickel
Zr % Zirconium
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
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\psi$$ % Reduction in cross section on fracture

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
the crystallization temperature °C The temperature at which the free energies of liquid and solid States of the metal is equal to