AL4M
For the manufacture of shaped castings; sealed alloy.
For the manufacture of shaped castings; sealed alloy.
| Standard | Fe, % | Si, % | B, % | Mg, % | Mn, % | Ti, % | Cu, % | Zr, % | Al, % |
|---|---|---|---|---|---|---|---|---|---|
| Standard | Fe, % | Si, % | B, % | Mg, % | Mn, % | Ti, % | Cu, % | Zr, % | Al, % |
| GOST 2685-75 | < 0.25 | 8.5–10.5 | 0.01–0.1 | 0.3–0.6 | < 0.1 | 0.1–0.3 | 1.3–2.5 | < 0.3 | 84.75–89.79 |
| Temperature, °C | \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 |
|---|---|---|---|---|---|
| Temperature, °C | \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 | 2720 | 0.0509 | |||
| 100 | 22.2 | 150 | 0.837 |
| Standard | Description |
|---|---|
| Standard | Description |
| GOST 2685-75 |
| Parameter | Units of measurement | Description |
|---|---|---|
| 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 |
| 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 |