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Datasheet: Haynes˘ 282
Haynes 282 is a new alloy developed for high temperature structural applications which has excellent creep strength in the temperature range of 650 – 930 °C (1200 – 1700 °F), surpassing that of Waspalloy and Rene 41. Haynes 282 possesses a unique combination of creep strength, thermal stability, weldability and fabricability that is not found in currently available commercial alloys. Its features make it suitable for critical gas turbine applications such as combustors, turbine and exhaust sections, and nozzle components.
Available in all profile options
Haynes 282 offers the following key features:
New alloy developed for high temperature structural applications which has excellent creep strength in the temperature range of 650 – 930 °C (1200 – 1700 °F), surpassing that of Waspalloy and Rene 41.
Excellent creep strength.
Haynes 282 is known to be suitable for the following applications:
Exhaust nozzle components in augmented aircraft gas turbines, hot gas paths in land based gas turbines.
A potential choice for high temperature development parts.
High temperature static applications.**
UNS N07208
AWS 062
–
The chemical composition of Haynes 282 is indicated in the table below:
Element | Min % | Max % |
---|---|---|
Al | 1.38 | 1.65 |
B | 0.003 | 0.01 |
C | 0.04 | 0.08 |
Nb | – | 0.20 |
Co | 9.00 | 11.00 |
Cr | 18.50 | 20.50 |
Cu | – | 0.10 |
Fe | – | 1.50 |
Mn | – | 0.30 |
Mo | 8.00 | 9.00 |
Ni | bal | |
P | – | 0.015 |
S | – | 0.015 |
Si | – | 0.15 |
Ta | – | 0.10 |
Ti | 1.90 | 2.30 |
W | – | 0.50 |
Haynes 282 density, melting point, and coefficient of expansion is indicated in the table below:
Density | Melting Point | Coefficient of Expansion |
---|---|---|
8.27 g/cm³ | 1300 – 1375 °C | 12.1 μm/m °C (20 – 100 °C) |
0.3 lb/in³ | 2370 – 2510 °F | 6.7 x 10-6 in/in °F (70 – 212 °F) |
The typical heat treatment of Haynes 282:
Condition as supplied by AWI | Type | Temperature | Time | Cooling |
---|---|---|---|---|
Spring Temper | Stablise | 1010 °C (1850 °F) | 2 Hr | Air |
Spring Temper | Age Harden | 790 °C (1450 °F) | 8 Hr | Air |
The typical mechanical properties of Haynes 282:
Annealed | ||
---|---|---|
Approx. tensile strength | 800 – 1200 N/mm² | 116 – 174 ksi |
Approx. operating temperature depending on load** and environment | Contact Alloy Wire for information | Contact Alloy Wire for information |
Spring Temper | ||
---|---|---|
Approx. tensile strength | 1300 – 1600 N/mm² | 190 – 232 ksi |
Approx. operating temperature depending on load** and environment | Contact Alloy Wire for information | Contact Alloy Wire for information |
Spring Temper + Stabilised and Aged | ||
---|---|---|
Approx. tensile strength | 1000 – 1300 N/mm² | 145 – 190 ksi |
Approx. operating temperature depending on load** and environment | Contact Alloy Wire for information | Contact Alloy Wire for information |
The above tensile strength ranges are typical. If you require different please ask.
* Trade name of Haynes International ** Static applications = still/fixed/motionless/rigid