31H19N9MVBTL (EI572L, 30H19NMVBTL)
for heat-resistant parts: turbochargers turbine impellers, turbine blades and guide; heat resistant 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, % | Mn, % | Cr, % | Ti, % | Ni, % | P, % | C, % | S, % | Nb, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 977-88 | 63.295–70.54 | < 0.8 | 0.8–1.5 | 18–20 | 0.2–0.5 | 8–10 | < 0.035 | 0.26–0.35 | < 0.02 | 0.2–0.5 | 1–1.5 | 1–1.5 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Castings | GOST 977-88 | 540 | 294 | 12 | 294 | Hardening of 1150-1180 ° C, cooling water, Aging 700-800 ° C |
Wärmebehandlungsmodi
| Verarbeitung |
|---|
| Aushärten bei 1150 - 1180 ° C, Abkühlen in Wasser, Altern bei 700 - 800 ° C |
Analogues
| USA |
|---|
| S63199 |
Standards
| Standard | Description |
|---|---|
| GOST 977-88 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| Mo | % | Molybdenum |
| 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) |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |