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
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 |