ML19 (VML7)

for the production of shaped castings

Classification

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

Chemical composition

Standard Fe, % Si, % Be, % Mg, % Cu, % Zn, % Ni, % Zr, % Al, % Nd, % Y, %
GOST 2856-79 < 0.01 < 0.03 < 0.001 94.41–96.5 < 0.03 0.1–0.6 < 0.005 0.4–1 < 0.03 1.6–2.3 1.4–2.2

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 87.9 1790 1.1304
100 27.7

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
GOST 2856-79 220 120 3

Brinell hardness number

Rolling Standard Classifiers Value, HBW
0–0

Casting and technological parameters

linear shrinkage, %
1.2–1.5

Standards

Standard Description
GOST 2856-79

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Be % Beryllium
Mg % Magnesium
Cu % Copper
Zn % Zinc
Ni % Nickel
Zr % Zirconium
Al % Aluminium
Nd % Neodymium
Y % Yttrium

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)

Description of the casting and technological parameters

Parameter Units of measurement Description
linear shrinkage % The difference between model dimensions and the model casting