SCh20
for the manufacture of castings
for the manufacture of castings
| Standard | Fe, % | Si, % | Mn, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|
| Standard | Fe, % | Si, % | Mn, % | P, % | C, % | S, % |
| GOST 1412-85 | 92.75–94.6 | 1.4–2.4 | 0.7–1 | < 0.2 | 3.3–3.5 | < 0.15 |
| Temperature, °C | $$E\cdot 10^{9}$$, $$MPa$$ | $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ | $$\varkappa$$, $$\frac{W}{m\cdot K}$$ | $$\rho$$, $$\frac{kg}{m^3}$$ | $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ |
|---|---|---|---|---|---|
| Temperature, °C | $$E\cdot 10^{9}$$, $$MPa$$ | $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ | $$\varkappa$$, $$\frac{W}{m\cdot K}$$ | $$\rho$$, $$\frac{kg}{m^3}$$ | $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ |
| 20 | 100 | 54 | 7100 | ||
| 100 | 9.5 | 0.48 |
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | Treatment |
|---|---|---|---|---|---|---|
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | Treatment |
| Casting | GOST 1412-85 | 200 |
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Rolling | Standard | Classifiers | Value, HBW |
| GOST 1412-85 | 143–255 |
| Standard | Description |
|---|---|
| Standard | Description |
| GOST 1412-85 |
| 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 |
| $$c\cdot 10^{-3}$$ | $$\frac{J}{kg\cdot K}$$ | The specific heat of the material (range 20°C–T) |