Incoloy A-286* * Trade name of Special Metals Group of Companies
W.NR 1.4944
W.NR 1.4980
UNS S66286
AWS 023
W.NR 1.4980
UNS S66286
AWS 023
This age hardenable, Iron-Nickel-Chromium alloy is designed
for
applications requiring high strength and good corrosion resistance at
temperatures up to 700oC (1290oF).
applications requiring high strength and good corrosion resistance at
temperatures up to 700oC (1290oF).
Applications include:
- Jet Engines
- Super Chargers
- After Burner Parts
- Fasteners
| Approximate Chemical Composition | |
| Fe | 56.5% |
| Ni | 25.5% min |
| Cr | 15% |
| Ti | 2.1% max |
| Mo | 1.25% |
| DENSITY | 7.94 g/cm3 | 0.287 lb/in3 |
| MELTING POINT | 1430oC | 2600oF |
| 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/m2 | 10370 ksi |
| MODULUS OF ELASTICITY | 205 kN/m2 | 29773 ksi |
| CONDITION OF SUPPLY | HEAT TREATMENT (AFTER FORMING) |
| Annealed/Spring Temper | Age harden at 705 - 760oC (1300 - 1400oF) for 16 hours and air cool. |
| CONDITION |
APPROX TENSILE STRENGTH |
APPROX SERVICE TEMPERATURE |
||||
| Annealed | 600-750 N/mm2 | 87-109 ksi | -200o to +400oC | -330o to +750oF | ||
| Annealed + Aged | 1100-1300 N/mm2 | 159-188 ksi | -200o to +400oC | -330o to +750oF | ||
| Spring Temper | 1050-1250 N/mm2 | 152-181 ksi | -200o to +400oC | -330o to +750oF | ||
| Spring Temper + Aged | 1300-1500 N/mm2 | 188-218 ksi | -200o to +400oC | -330o to +750oF | ||
| STANDARDS | |||||
| AMS 5731 | AMS 5734 | AMS 5737 | AMS 5853 | BS HR 650 | BS HR 52 |
