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Haynes 282® Nickel Alloy Plate, Solution Annealed and Age-Hardened, after long term high temperature exposure
Categories: Metal; Nonferrous Metal; Nickel Alloy
Material Notes: Excellent High Temperature Strength

HAYNES® 282® alloy is a wrought, gamma-prime strengthened superalloy developed for high temperature structural applications, especially those in aero and land-based gas turbine engines. It possesses a unique combination of creep strength, thermal stability, weldability, and fabricability. The alloy has excellent creep strength in the temperature range of 1200 to 1700°F (649 to 927°C), surpassing that of Waspaloy alloy, and approaching that of R-41 alloy.

Easily Fabricated: This high level of creep strength in HAYNES 282 alloy has been attained at a relatively low volume fraction of the strengthening gamma-prime phase, resulting in outstanding resistance to strain-age cracking (normally a problem with superalloys in this creep strength range). Additionally, slow gamma-prime precipitation kinetics allow for the alloy to have excellent ductility in the as-annealed condition. Consequently, HAYNES 282 alloy exhibits superior weldability and fabricability.

Product Forms: HAYNES 282 alloy is designed for use in the form of plate, sheet, strip, foil, billet, bar, wire welding products, pipe, and tubing.

Heat Treatment: HAYNES 282 alloy is provided in the solution-annealed condition, in which it is readily formable. The typical solution annealing temperature is in the range of 2050 to 2100°F (1121 to 1149°C). After component fabrication, a two-step age hardening treatment is required to put the alloy into the high-strength condition. The treatment includes 1850°F (1010°C) / 2 hours / AC (air cool) + 1450°F (788°C) / 8 hours / AC.

Applications: Suitable for critical gas turbine applications, such as sheet fabrications, seamless and flash butt-welded rings, and cases found in compressor, combustor, and turbine sections. In augmented aircraft gas turbines, it is useful for exhaust and nozzle components. In land-based gas turbines, HAYNES 282 alloy is a good candidate for transition sections and other hot-gas-path components.

Machining: HAYNES 282 alloy has similar machining characteristics to other nickel alloys used at high temperatures. Rough machining should be carried out prior to age-hardening, using the following guidelines. Final machining or finish grinding may be done after age-hardening.

Data provided by the manufacturer, Haynes International, Inc.
Vendors: Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494.

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Physical PropertiesOriginal ValueComments
Density 8.27 g/ccSolution Annealed
 8.29 g/ccAge-hardened
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 1152 MPaRoom temp test prior to thermal exposure
 978 MPa
@Treatment Temp. 871 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 1006 MPa
@Treatment Temp. 871 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 1022 MPa
@Treatment Temp. 871 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 1065 MPa
@Treatment Temp. 871 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 1114 MPa
@Treatment Temp. 871 °C,
Time 360000 sec		Room temp test after thermal exposure
 1161 MPa
@Treatment Temp. 760 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 1191 MPa
@Treatment Temp. 760 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 1205 MPa
@Treatment Temp. 760 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 1223 MPa
@Treatment Temp. 760 °C,
Time 360000 sec		Room temp test after thermal exposure
 1226 MPa
@Treatment Temp. 760 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 1247 MPa
@Treatment Temp. 649 °C,
Time 360000 sec		Room temp test after thermal exposure
 1248 MPa
@Treatment Temp. 649 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 1255 MPa
@Treatment Temp. 649 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 1260 MPa
@Treatment Temp. 649 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 1264 MPa
@Treatment Temp. 649 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
Tensile Strength, Yield 705 MPa0.2%. Room temp test prior to thermal exposure
 452 MPa
@Treatment Temp. 871 °C,
Time 5.76e+7 sec		0.2%. Room temp test after thermal exposure
 473 MPa
@Treatment Temp. 871 °C,
Time 2.88e+7 sec		0.2%. Room temp test after thermal exposure
 487 MPa
@Treatment Temp. 871 °C,
Time 1.44e+7 sec		0.2%. Room temp test after thermal exposure
 533 MPa
@Treatment Temp. 871 °C,
Time 3.60e+6 sec		0.2%. Room temp test after thermal exposure
 618 MPa
@Treatment Temp. 871 °C,
Time 360000 sec		0.2%. Room temp test after thermal exposure
 658 MPa
@Treatment Temp. 760 °C,
Time 5.76e+7 sec		0.2%. Room temp test after thermal exposure
 690 MPa
@Treatment Temp. 760 °C,
Time 2.88e+7 sec		0.2%. Room temp test after thermal exposure
 707 MPa
@Treatment Temp. 760 °C,
Time 1.44e+7 sec		0.2%. Room temp test after thermal exposure
 742 MPa
@Treatment Temp. 760 °C,
Time 3.60e+6 sec		0.2%. Room temp test after thermal exposure
 759 MPa
@Treatment Temp. 760 °C,
Time 360000 sec		0.2%. Room temp test after thermal exposure
 798 MPa
@Treatment Temp. 649 °C,
Time 360000 sec		0.2%. Room temp test after thermal exposure
 814 MPa
@Treatment Temp. 649 °C,
Time 3.60e+6 sec		0.2%. Room temp test after thermal exposure
 816 MPa
@Treatment Temp. 649 °C,
Time 5.76e+7 sec		0.2%. Room temp test after thermal exposure
 819 MPa
@Treatment Temp. 649 °C,
Time 2.88e+7 sec		0.2%. Room temp test after thermal exposure
 830 MPa
@Treatment Temp. 649 °C,
Time 1.44e+7 sec		0.2%. Room temp test after thermal exposure
Elongation at Break 30 %Room temp test prior to thermal exposure
 20 %
@Treatment Temp. 760 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 20 %
@Treatment Temp. 760 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 21 %
@Treatment Temp. 760 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 23 %
@Treatment Temp. 649 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 24 %
@Treatment Temp. 649 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 26 %
@Treatment Temp. 649 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 26 %
@Treatment Temp. 649 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 26 %
@Treatment Temp. 760 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 27 %
@Treatment Temp. 649 °C,
Time 360000 sec		Room temp test after thermal exposure
 27 %
@Treatment Temp. 760 °C,
Time 360000 sec		Room temp test after thermal exposure
 30 %
@Treatment Temp. 871 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 31 %
@Treatment Temp. 871 °C,
Time 360000 sec		Room temp test after thermal exposure
 32 %
@Treatment Temp. 871 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 32 %
@Treatment Temp. 871 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 33 %
@Treatment Temp. 871 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
Reduction of Area 33 %Room temp test prior to thermal exposure
 19 %
@Treatment Temp. 760 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 21 %
@Treatment Temp. 760 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 22 %
@Treatment Temp. 760 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 25 %
@Treatment Temp. 649 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 27 %
@Treatment Temp. 649 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 29 %
@Treatment Temp. 649 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 29 %
@Treatment Temp. 649 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 29 %
@Treatment Temp. 760 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 30 %
@Treatment Temp. 760 °C,
Time 360000 sec		Room temp test after thermal exposure
 30 %
@Treatment Temp. 871 °C,
Time 3.60e+6 sec		Room temp test after thermal exposure
 31 %
@Treatment Temp. 649 °C,
Time 360000 sec		Room temp test after thermal exposure
 31 %
@Treatment Temp. 871 °C,
Time 1.44e+7 sec		Room temp test after thermal exposure
 31 %
@Treatment Temp. 871 °C,
Time 2.88e+7 sec		Room temp test after thermal exposure
 32 %
@Treatment Temp. 871 °C,
Time 5.76e+7 sec		Room temp test after thermal exposure
 36 %
@Treatment Temp. 871 °C,
Time 360000 sec		Room temp test after thermal exposure
Modulus of Elasticity 217 GPa
@Temperature 25.0 °C		Dynamic
Poissons Ratio 0.319
@Temperature 25.0 °C
Shear Modulus 82.0 GPa
@Temperature 25.0 °C		Dynamic
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0001278 ohm-cm
 0.0001299 ohm-cm
 0.0001299 ohm-cm
 0.0001318 ohm-cm
 0.0001326 ohm-cm
 0.0001334 ohm-cm
 0.0001345 ohm-cm
 0.000135 ohm-cm
 0.0001355 ohm-cm
 0.0001362 ohm-cm
 0.0001261 ohm-cm
@Temperature 25.0 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.1 µm/m-°C
@Temperature 25.0 - 100 °C
Specific Heat Capacity 0.436 J/g-°C
@Temperature 25.0 °C
Thermal Conductivity 10.3 W/m-K
@Temperature 25.0 °C
Melting Point 1300 - 1375 °C
Solidus 1300 °C
Liquidus 1375 °C
 
Processing PropertiesOriginal ValueComments
Annealing Temperature 2050 - 2100 °FTypical for solution annealing
Aging Temperature 1450 °F
@Time 28800 sec		Age Hardening Step 2 of 2, with subsequent air cooling
 1850 °F
@Time 7200 sec		Age Hardening Step 1 of 2, with subsequent air cooling
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al 1.5 %
Boron, B 0.0050 %
Carbon, C 0.060 %
Chromium, Cr 20 %
Cobalt, Co 10 %
Iron, Fe <= 1.5 %
Manganese, Mn <= 0.30 %
Molybdenum, Mo 8.5 %
Nickel, Ni 57 %as balance
Silicon, Si <= 0.15 %
Titanium, Ti 2.1 %
 
Descriptive Properties
Thermal Diffusivity0.0288 cm2/s25°C

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