08H17N34V5T3YU2RL
nozzle and rotor blades of gas turbines Solid rotors and other parts operating at temperatures up to 800 degrees C; austenitic steel.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Steels and alloys for castings | Steel for casting with special properties |
Chemical composition
| Standard | Fe, % | Si, % | B, % | Mn, % | Cr, % | Ti, % | Ni, % | Al, % | Ce, % | P, % | C, % | S, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 977-88 | 34.95–43.7 | 0.2–0.5 | < 0.05 | 0.3–0.6 | 15–18 | 2.6–3.2 | 32–35 | 1.7–2.1 | < 0.01 | < 0.01 | < 0.08 | < 0.01 | 4.5–5.5 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$\psi$$, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Castings | GOST 977-88 | 785 | 687 | 3 | 3 |
Heat Treatment Modes
| Treatment |
|---|
| Hardening 1140 - 1160 ° C, air cooling, Aging 740 - 760 ° C, 32 hours, air cooling |
Standards
| Standard | Description |
|---|---|
| GOST 977-88 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| B | % | Bor |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Ni | % | Nickel |
| Al | % | Aluminium |
| Ce | % | Cerium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| W | % | Tungsten |
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 |