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Nickel Alloy Powder
Incoloy alloy A-286 UNS S66286/W.Nr.1.4980 ,660A ASTM A638 bar tube sheet
Overview
INCOLOY alloy A-286 (UNS S66286 / W.Nr. 1.4980) is an iron-nickel-chromium alloy with additions of molybdenum and titanium. It is agehardenable for high mechanical properties. The alloy maintains good strength and oxidation resistance at temperatures up to about 1300°F (700°C). The alloy is austenitic in all metallurgical conditions.
The high strength and excellent fabrication characteristics of INCOLOY alloy A-286 make the alloy useful for various components of aircraft and industrial gas turbines. It is also used for fastener applications in automotive engine and manifold components subject to high levels of heat and stress and in the offshore oil and gas industry.
Limiting Chemical Composition, %
Nickel..................................................................................................................................................................................24.00-27.00
Iron......................................................................................................................................................................................49.10-56.00
Chromium...........................................................................................................................................................................13.50-16.00
Molybdenum...........................................................................................................................................................................1.00-1.50
Titanium..................................................................................................................................................................................1.90-2.35
Vanadium................................................................................................................................................................................0.10-0.50
Carbon.....................................................................................................................................................................................0.08 max.
Manganese.............................................................................................................................................................................2.00 max.
Sulfur.......................................................................................................................................................................................0.03 max.
Silicon .....................................................................................................................................................................................0.10 max.
Aluminum................................................................................................................................................................................0.35 max.
Boron.....................................................................................................................................................................................0.001-0.01
Phosphorus.............................................................................................................................................................................0.04 max.
Physical Constants
Density |
lb/in^3.............................................................................................0.287 |
g/cm^3..............................................................................................7.94 | |
Specific Heat |
Btu/lb•°F..........................................................................................0.100 |
J/kg•°C...............................................................................................419 | |
Melting Range |
°F.............................................................................................2500-2600 |
°C............................................................................................1370-1430 | |
Permeability |
at 200 oersted (15.9 kA/m)...........................................................1.007 |
Mechanical properties
In the age-hardened condition, INCOLOY alloy A-286 has high strength at room temperature and retains high levels of strength at temperatures to about 1300°F (700°C).
Mechanical properties reported here are for material given the following heat treatment: solution treatment at 1800°F (980°C) plus age hardening at 1325°F (720°C)/16 h and air cooling.
Heat Treatment of Finished Parts | |||||
Condition as supplied by Alloy Wire |
Type |
Temperature |
Time (Hr) |
Cooling |
|
℃ |
F |
||||
Annealed or Spring Temper |
Age Harden |
705-760 |
1300-1400 |
16 |
Air |
Properties | ||||
Condition |
Approx.tensile strength |
Approx.operating temperature depending on load**and environment |
||
N/mm² |
ksi |
℃ |
F |
|
Annealed |
<750 |
<109 |
-200 to+400 |
-330 to +750 |
Annealed +Aged |
950-1300 |
138-188 |
200 to+400 |
-330 to+750 |
Spring Temper |
1050-1250 |
152-18 |
-200 to+400 |
-330 to+750 |
Spring Temper+Aged |
1200-1500 |
174-218 |
-200 to+400 |
-330 to +750 |
Corrosion Resistance
The nickel and chromium contents of INCOLOY alloy A-286 provide resistance to corrosion and oxidation. The alloy has excellent resistance to oxidation at service temperatures up to about 1300°F (700°C).
Available Forms
We provide you with a variety of product forms, including but not limited to
● Bar & Rod
● Pipe & Tube
● Coil & Strip
● Plate & Sheet & Circle
● Wire & Welding
● Fitting (Flange, Elbow, Tee...)
● Customize
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