D19 (1190)
For the power elements of the structures of aircraft, car bodies, pipes, etc., operating at temperatures up to 200−250 degrees.
For the power elements of the structures of aircraft, car bodies, pipes, etc., operating at temperatures up to 200−250 degrees.
Standard | Fe, % | Si, % | Be, % | Mg, % | Mn, % | Ti, % | Cu, % | Zn, % | Al, % |
---|---|---|---|---|---|---|---|---|---|
GOST 4784-97 | < 0.5 | < 0.5 | 0.0002–0.005 | 1.7–2.3 | 0.5–1 | < 0.1 | 3.8–4.3 | < 0.1 | 91.095–94 |
Standard | Description |
---|---|
GOST 4784-97 |
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 |