This age hardenable, Iron-Nickel-Chromium alloy is designed for applications requiring high strength and good corrosion resistance at temperatures up to 700oC (1290oF).
Incoloy® A-286 is also known as Cronifer 1525 Ti, Superimphy 286, Pyromet A286, and Udimet A286.
| Element | Min % | Max % |
| C | 0.03 | 0.08 |
| Mn | 1.00 | 2.00 |
| Si | – | 0.50 |
| P | – | 0.02 |
| S | – | 0.015 |
| Cr | 13.50 | 16.00 |
| Ni | 24.00 | 27.00 |
| Mo | 1.00 | 1.50 |
| Ti | 1.90 | 2.30 |
| B | 0.003 | 0.01 |
| V | 0.10 | 0.50 |
| Co | – | 1.00 |
| Al | – | 0.35 |
| Cu | – | 0.50 |
| Pb | – | 0.005 |
| Fe | Bal | |
Density
7.94 g/cm³ | 0.287 lb/in³
Melting Point
1430°C | 2600°F
Coefficient of Expansion
16.4 μm/m °C (20 – 100°C) | 9.1 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity
71.5 kN/mm² | 10370 ksi
Modulus of Elasticity
205 kN/mm² | 29733 ksi
Heat Treatment of Finished Parts
| Condition as supplied by Alloy Wire | Type | Temperature | Time (Hr) | Cooling | |
| °C | °F | ||||
| Annealed or Spring Temper | Age Harden | 705 – 760 | 1300 – 1400 | 16 | Air |
Properties
| Condition | Approx. tensile strength | Approx. operating temperature | ||
| N/mm² | ksi | °C | °F | |
| Annealed | 600 – 750 | 87 – 109 | -200 to +400 | -330 to +750 |
| Annealed + Aged | 1100 – 1300 | 159 – 188 | -200 to +400 | -330 to +750 |
| Spring Temper | 1050 – 1250 | 152 -181 | -200 to +400 | -330 to +750 |
| Spring Temper + Aged | 1300 – 1500 | 188 – 218 | -200 to +400 | -330 to +750 |