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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 | B, % | Sn, % | Cr, % | Cu, % | Zn, % | Ni, % | Zr, % | Pb, % | As, % |
---|---|---|---|---|---|---|---|---|---|
Standard | B, % | Sn, % | Cr, % | Cu, % | Zn, % | Ni, % | Zr, % | Pb, % | As, % |
GOST 614-97 | < 0.002 | < 0.01 | 0.4–1 | 98.82–99.57 | < 0.01 | < 0.03 | 0.03–0.08 | < 0.003 | < 0.01 |
Temperature, °C | $$E\cdot 10^{9}$$, $$MPa$$ | $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ | $$\varkappa$$, $$\frac{W}{m\cdot K}$$ | $$\rho$$, $$\frac{kg}{m^3}$$ | $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
---|---|---|---|---|---|
Temperature, °C | $$E\cdot 10^{9}$$, $$MPa$$ | $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ | $$\varkappa$$, $$\frac{W}{m\cdot K}$$ | $$\rho$$, $$\frac{kg}{m^3}$$ | $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
20 | 1.3 | 17.5 | 366 | 8920 | 20 |
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | Treatment |
---|---|---|---|---|---|---|---|---|
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | Treatment |
Round | GOST 614-97 | 500 | 450 | 84 |
Standard | Description |
---|---|
Standard | Description |
GOST 614-97 |
Parameter | Units of measurement | Description |
---|---|---|
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 |