10H13SYU (EI404, 1H12SYU)
Details in the construction of furnaces and steam boilers, such as lifting beams, rails, carrying and lifting ropes, grids, hoses, and protective tubes of thermoelements
valves for automotive engines, etc .; heat-resistant steel, is resistant to sulfur-containing environments
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Heat resistant steels and alloys | Heat resistant high alloy steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Al, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 81.225–85.73 | 1.2–2 | < 0.8 | 12–14 | 1–1.8 | < 0.03 | 0.07–0.12 | < 0.025 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$\psi$$, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Rod | GOST 5949-75 | 490 | 345 | 15 | 60 | Annealing 800-850 ° C, air |
Analogues
| Germany | USA |
|---|---|
| 1.4724 | 405 |
Standards
| Standard | Description |
|---|---|
| GOST 5632-72 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\sigma_{P}$$ | $$MPa$$ | Proportionality limit |
| $$\epsilon_L$$ | % | Elongation at break (longitudinal) |
| $$\psi$$ | % | Reduction in cross section on fracture |