14H17N2L (EI268L)
Production of shaped castings for the aviation industry.
Production of shaped castings for the aviation industry.
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | Al, % | P, % | C, % | S, % | Mo, % | N, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | Al, % | P, % | C, % | S, % | Mo, % | N, % | W, % |
| OST 1-90090 - 79 | 74.8–81.05 | 0.8–1.5 | 0.3–0.8 | 15–18 | < 0.05 | < 0.3 | 2.8–3.8 | < 0.05 | < 0.1 | < 0.025 | 0.05–0.1 | < 0.025 | < 0.2 | < 0.05 | < 0.2 |
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|---|
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
| Castings | OST 1-90090 - 79 | 950 | 750 | 20 | 250 | 8 | Hardening 1050oC, oil, Release 540 - 560oC, 3h, Cooling air | |||
| Castings | OST 1-90090 - 79 | 850 | 650 | 20 | 350 | 8 | Hardening 1050oC, oil, Vacation 670 - 690oC, 3h, Cooling air |
| Standard | Description |
|---|---|
| Standard | Description |
| OST 1-90090 - 79 |
| Parameter | Units of measurement | Description |
|---|---|---|
| Parameter | Units of measurement | Description |
| d5 | % | Elongation at break |
| $$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\psi$$ | % | Reduction in cross section on fracture |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |
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