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Datasheet: Incoloy® A286
This age hardenable, Iron-Nickel-Chromium alloy is designed for applications requiring high strength and good corrosion resistance at temperatures up to 700°C (1290°F). Incoloy® A286’s strength makes it ideal for various components as part of aircraft and industrial gas turbines. The alloy is also used in the offshore oil and gas industry, and for fastener applications in automotive engine and manifold components that are exposed to high levels of heat and stress.
Incoloy® A-286 is also known as Cronifer 1525 Ti, Superimphy 286, Pyromet A286, and Udimet A286.
Available in all profile options
Incoloy® A286 offers the following key features:
High strength and good corrosion resistance at high temperatures
Age hardenable
Good for high temperature fasteners
High temperature static applications **
Incoloy® A286 is known to be suitable for the following applications:
Jet Engines
Super Chargers
After Burner Parts
Fasteners
W.Nr 1.4944
W.Nr 1.4980
UNS S66286
AWS 023
AMS 5731
AMS 5734
AMS 5737
AMS 5853
ASTM A453
BS HR 52
BS HR 650
ISO 15156-3
(NACE MR 0175)
The chemical composition of Incoloy® A286 is indicated in the table below:
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 |
Incoloy® A286 density, melting point, coefficient of expansion, and modulus of elasticity is indicated in the table below:
Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity |
---|---|---|---|---|
8.14 g/cm³ | 1430 °C | 16.4 μm/m °C (20 – 100 °C) | 71.5 kN/mm² | 205 kN/mm² |
0.287 lb/in³ | 2600 °F | 9.1 x 10-6 in/in °F (70 – 212 °F) | 10370 ksi | 29733 ksi |
The typical heat treatment of Incoloy® A286:
Condition as supplied by AWI | Type | Temperature | Time | Cooling |
---|---|---|---|---|
Annealed or Spring Temper | Age Harden | 705 – 760 °C (1300 – 1400 °F) | 16 Hr | Air |
The typical mechanical properties of Incoloy® A286:
Annealed | ||
---|---|---|
Approx. tensile strength | <750 N/mm² | <109 ksi |
Approx. operating temperature depending on load** and environment | -200 to +400 °C | -330 to +750 °F |
Annealed + Aged | ||
---|---|---|
Approx. tensile strength | 950 – 1300 N/mm² | 138 – 188 ksi |
Approx. operating temperature depending on load** and environment | -200 to +400 °C | -330 to +750 °F |
Spring Temper | ||
---|---|---|
Approx. tensile strength | 1050 – 1250 N/mm² | 152 – 181 ksi |
Approx. operating temperature depending on load** and environment | -200 to +400 °C | -330 to +750 °F |
Spring Temper + Aged | ||
---|---|---|
Approx. tensile strength | 1200 – 1500 N/mm² | 174 – 218 ksi |
Approx. operating temperature depending on load** and environment | -200 to +400 °C | -330 to +750 °F |
The above tensile strength ranges are typical. If you require different please ask.
* Trade name of Special Metals Group of Companies ** Static applications = still/fixed/motionless/rigid