BrHTsr
The temperature of hot processing semi-finished products 700−900 degrees Celsius.
For contact spot and seam welding electrodes of carbon steel
The temperature of hot processing semi-finished products 700−900 degrees Celsius.
For contact spot and seam welding electrodes of carbon steel
Standard | Sn, % | Bi, % | Cr, % | Cu, % | Zn, % | Ni, % | Zr, % | Pb, % | As, % |
---|---|---|---|---|---|---|---|---|---|
GOST 614-97 | < 0.01 | < 0.002 | 0.4–1 | 98.855–99.57 | < 0.01 | < 0.03 | 0.03–0.08 | < 0.003 | < 0.01 |
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | Treatment |
---|---|---|---|---|---|---|---|---|
Round | GOST 614-97 | 500 | 450 | 84 |
Standard | Description |
---|---|
GOST 614-97 |
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 |
$$R\cdot 10^{-6}$$ | $$\Omega\cdot m$$ | Electrical resistivity |