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Haynes 282® Nickel Alloy Sheet, Solution Annealed and Age-hardened
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
Hardness, Rockwell C 30Age-hardened
Tensile Strength, Ultimate 115 MPa
@Temperature 1000 °C
 447 MPa
@Temperature 900 °C
 730 MPa
@Temperature 800 °C
 945 MPa
@Temperature 700 °C
 980 MPa
@Temperature 600 °C
 1132 MPa
@Temperature 25.0 °C
Tensile Strength, Yield 75.0 MPa
@Strain 0.2 %,
Temperature 1000 °C
 396 MPa
@Strain 0.2 %,
Temperature 900 °C
 580 MPa
@Strain 0.2 %,
Temperature 800 °C
 625 MPa
@Strain 0.2 %,
Temperature 700 °C
 631 MPa
@Strain 0.2 %,
Temperature 600 °C
 699 MPa
@Strain 0.2 %,
Temperature 25.0 °C
Elongation at Break 23 %
@Temperature 800 °C
 24 %
@Temperature 700 °C
 30 %
@Temperature 25.0 °C
 31 %
@Temperature 600 °C
 34 %
@Temperature 900 °C
 64 %
@Temperature 1000 °C
Creep Strength 12.0 MPa
@Temperature 982 °C,
Time 3.60e+6 sec		1% Creep
 25.0 MPa
@Temperature 982 °C,
Time 360000 sec		0.5% Creep
 29.0 MPa
@Temperature 927 °C,
Time 3.60e+6 sec		0.5% Creep
 57.0 MPa
@Temperature 927 °C,
Time 360000 sec		0.5% Creep
 62.0 MPa
@Temperature 871 °C,
Time 3.60e+6 sec		0.5% Creep
 117 MPa
@Temperature 871 °C,
Time 360000 sec		0.5% Creep
 124 MPa
@Temperature 816 °C,
Time 3.60e+6 sec		0.5% Creep
 207 MPa
@Temperature 816 °C,
Time 360000 sec		0.5% Creep
 228 MPa
@Temperature 760 °C,
Time 3.60e+6 sec		0.5% Creep
 317 MPa
@Temperature 760 °C,
Time 360000 sec		0.5% Creep
 352 MPa
@Temperature 704 °C,
Time 3.60e+6 sec		0.5% Creep
 483 MPa
@Temperature 704 °C,
Time 360000 sec		0.5% Creep
 538 MPa
@Temperature 649 °C,
Time 3.60e+6 sec		0.5% Creep
Rupture Strength 17.0 MPa
@Temperature 982 °C,
Time 3.60e+6 sec
 38.0 MPa
@Temperature 982 °C,
Time 360000 sec
 41.0 MPa
@Temperature 927 °C,
Time 3.60e+6 sec
 83.0 MPa
@Temperature 871 °C,
Time 3.60e+6 sec
 83.0 MPa
@Temperature 927 °C,
Time 360000 sec
 152 MPa
@Temperature 871 °C,
Time 360000 sec
 159 MPa
@Temperature 816 °C,
Time 3.60e+6 sec
 225 MPa
@Temperature 816 °C,
Time 360000 sec
 262 MPa
@Temperature 760 °C,
Time 3.60e+6 sec
 386 MPa
@Temperature 704 °C,
Time 3.60e+6 sec
 386 MPa
@Temperature 760 °C,
Time 360000 sec
 517 MPa
@Temperature 704 °C,
Time 360000 sec
 552 MPa
@Temperature 649 °C,
Time 3.60e+6 sec
Modulus of Elasticity 140 GPa
@Temperature 1000 °C		Dynamic
 154 GPa
@Temperature 900 °C		Dynamic
 166 GPa
@Temperature 800 °C		Dynamic
 175 GPa
@Temperature 700 °C		Dynamic
 183 GPa
@Temperature 600 °C		Dynamic
 190 GPa
@Temperature 500 °C		Dynamic
 196 GPa
@Temperature 400 °C		Dynamic
 202 GPa
@Temperature 300 °C		Dynamic
 209 GPa
@Temperature 200 °C		Dynamic
 213 GPa
@Temperature 100 °C		Dynamic
 217 GPa
@Temperature 25.0 °C		Dynamic
Poissons Ratio 0.319
@Temperature 25.0 °C
 0.326
@Temperature 100 °C
 0.335
@Temperature 200 °C
 0.335
@Temperature 300 °C
 0.337
@Temperature 400 °C
 0.341
@Temperature 500 °C
 0.346
@Temperature 600 °C
 0.352
@Temperature 700 °C
 0.355
@Temperature 800 °C
 0.357
@Temperature 900 °C
 0.363
@Temperature 1000 °C
Shear Modulus 51.0 GPa
@Temperature 1000 °C		Dynamic
 57.0 GPa
@Temperature 900 °C		Dynamic
 61.0 GPa
@Temperature 800 °C		Dynamic
 65.0 GPa
@Temperature 700 °C		Dynamic
 68.0 GPa
@Temperature 600 °C		Dynamic
 71.0 GPa
@Temperature 500 °C		Dynamic
 73.0 GPa
@Temperature 400 °C		Dynamic
 76.0 GPa
@Temperature 300 °C		Dynamic
 78.0 GPa
@Temperature 200 °C		Dynamic
 80.0 GPa
@Temperature 100 °C		Dynamic
 82.0 GPa
@Temperature 25.0 °C		Dynamic
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0001261 ohm-cm
@Temperature 25.0 °C
 0.0001278 ohm-cm
@Temperature 100 °C
 0.0001299 ohm-cm
@Temperature 200 °C
 0.0001299 ohm-cm
@Temperature 1000 °C
 0.0001318 ohm-cm
@Temperature 300 °C
 0.0001326 ohm-cm
@Temperature 900 °C
 0.0001334 ohm-cm
@Temperature 400 °C
 0.0001345 ohm-cm
@Temperature 800 °C
 0.000135 ohm-cm
@Temperature 500 °C
 0.0001355 ohm-cm
@Temperature 700 °C
 0.0001362 ohm-cm
@Temperature 600 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.1 µm/m-°C
@Temperature 25.0 - 100 °C
 12.4 µm/m-°C
@Temperature 25.0 - 200 °C
 12.8 µm/m-°C
@Temperature 25.0 - 300 °C
 13.1 µm/m-°C
@Temperature 25.0 - 400 °C
 13.5 µm/m-°C
@Temperature 25.0 - 500 °C
 13.7 µm/m-°C
@Temperature 25.0 - 600 °C
 14.2 µm/m-°C
@Temperature 25.0 - 700 °C
 14.9 µm/m-°C
@Temperature 25.0 - 800 °C
 15.9 µm/m-°C
@Temperature 25.0 - 900 °C
 16.9 µm/m-°C
@Temperature 25.0 - 1000 °C
Specific Heat Capacity 0.436 J/g-°C
@Temperature 25.0 °C
 0.463 J/g-°C
@Temperature 100 °C
 0.494 J/g-°C
@Temperature 200 °C
 0.522 J/g-°C
@Temperature 300 °C
 0.544 J/g-°C
@Temperature 400 °C
 0.563 J/g-°C
@Temperature 500 °C
 0.581 J/g-°C
@Temperature 600 °C
 0.594 J/g-°C
@Temperature 700 °C
 0.650 J/g-°C
@Temperature 800 °C
 0.668 J/g-°C
@Temperature 900 °C
 0.676 J/g-°C
@Temperature 1000 °C
Thermal Conductivity 10.3 W/m-K
@Temperature 25.0 °C
 12.0 W/m-K
@Temperature 100 °C
 14.1 W/m-K
@Temperature 200 °C
 16.3 W/m-K
@Temperature 300 °C
 18.5 W/m-K
@Temperature 400 °C
 20.5 W/m-K
@Temperature 500 °C
 22.6 W/m-K
@Temperature 600 °C
 24.8 W/m-K
@Temperature 700 °C
 26.1 W/m-K
@Temperature 800 °C
 27.3 W/m-K
@Temperature 900 °C
 28.9 W/m-K
@Temperature 1000 °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
 0.0315 cm2/s100°C
 0.0348 cm2/s200°C
 0.0381 cm2/s300°C
 0.0413 cm2/s400°C
 0.0444 cm2/s500°C
 0.0473 cm2/s600°C
 0.0488 cm2/s800°C
 0.0498 cm2/s900°C
 0.0509 cm2/s700°C
 0.0521 cm2/s1000°C

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