MA15
welded structures for parts requiring high yield strength in compression; max operating temperature: 150 ° C -Duration 200 ° C -kratkovremennaya
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Magnesium |
Wrought Magnesium Alloys |
Chemical composition
| Standard |
Fe, % |
Si, % |
Be, % |
Mg, % |
Mn, % |
Cu, % |
Zn, % |
Ni, % |
Zr, % |
Al, % |
Cd, % |
La, % |
|---|
| GOST 14957-76 |
< 0.03 |
< 0.05 |
< 0.002 |
95.33–97.05 |
< 0.1 |
< 0.03 |
2.5–3.5 |
< 0.005 |
0.45–0.9 |
< 0.05 |
1.2–2 |
0.7–1.1 |
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 |
42 |
|
113 |
1830 |
|
0.065 |
| 100 |
|
25.9 |
|
|
1.0048 |
|
| 200 |
|
26.8 |
|
|
|
|
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{P}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Sheet |
|
|
|
annealing |
250–260 |
170–180 |
4–6 |
|
| Round |
|
|
|
|
275–295 |
215–235 |
5–6 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
|
|
|
0–0 |
Casting and technological parameters
Standards
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 |
| Cd |
% |
Cadmium |
| La |
% |
Lanthanum |
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 |
| $$\sigma _{U}$$ |
$$MPa$$ |
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 |