45H25N35BS
It is used for the manufacture of centrifugally cast pipes intended for the manufacture of coil tube furnaces of installations for the production of ammonia, hydrogen, ethylene, carbon disulfide, etc., operating in the temperature range of 760−1060 ° C and pressure up to 3.92 MPa (40 kgf / cm2); centrifugally cast pipes used as components in the equipment of the metallurgical, machine-building, glass, ceramic, mining and refining petrochemical industries, as well as for the manufacture of blanks and parts used in the composition of the products of the aviation and nuclear industries.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant alloys |
Chemical composition
| Standard | Fe, % | Si, % | Sn, % | Mn, % | Cr, % | Ti, % | Cu, % | Zn, % | Ni, % | V, % | Pb, % | As, % | P, % | C, % | S, % | Nb, % | Mo, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 1333-047-00220302-02 | 30.65–73.149 | 1.2–1.6 | < 0.01 | 1–1.5 | 23–27 | 0.0005–0.1 | < 0.2 | < 0.01 | 34–36 | 0.0005–0.2 | < 0.01 | < 0.01 | < 0.03 | 0.35–0.45 | < 0.03 | 1.3–1.7 | < 0.5 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$\varkappa$$, $$\frac{W}{m\cdot K}$$ | $$\rho$$, $$\frac{kg}{m^3}$$ | Cp, Дж/кг·К |
|---|---|---|---|
| 20 | 55.4–75.5 | 8000 | 456 |
Casting and technological parameters
| melting point, °C |
|---|
| 1370–1400 |
Analogues
| Germany | European Union | USA |
|---|---|---|
| F 1.4852 | GX40NiCrSiNb35-26 EN 10295:2002 | Thermax 533 |
| 1.4852 (GX40NiCrSiNb35-26) |
Standards
| Standard | Description |
|---|---|
| TU 1333-047-00220302-02 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Sn | % | Tin |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| Zn | % | Zinc |
| Ni | % | Nickel |
| V | % | Vanadium |
| Pb | % | Lead |
| As | % | Arsenic |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| Mo | % | Molybdenum |
Description of physical characteristics
| Parameter | Units of measurement | Description |
|---|---|---|
| Cp | Дж/кг·К | Specific heat of material |
| $$\varkappa$$ | $$\frac{W}{m\cdot K}$$ | Coefficient of thermal conductivity (the heat capacity of the material) |
| $$\rho$$ | $$\frac{kg}{m^3}$$ | The density of the material |
Description of the casting and technological parameters
| Parameter | Units of measurement | Description |
|---|---|---|
| melting point | °C | The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |