A-286 Description
An alloy that is precipitation hardenable for high mechanical properties.
The alloy maintains good strength and oxidation resistance at temperatures up to about 1300°F (700°C).
The alloy’s high strength and excellent fabrication characteristics make it useful for various components of aircraft and industrial gas turbines.
Applications include blades, vanes, shafts, tail cones, afterburners, springs, and fasteners. This alloy is also used for automotive applications.
Incoloy A-286 nickel-based alloy is Fe-25Ni-15Cr-based superalloy , which is comprehensively strengthened by adding molybdenum, titanium, aluminum, vanadium and trace boron.
A-286 Chemical composition:
Alloy | % | Ni | Cr | Mo | B | Fe | Al | Ti | C | Mn | Si | V | S |
A-286 | Min. | 24 | 13.5 | 1.0 | 0.001 | 1.9 | 0.1 | ||||||
Max. | 27 | 16 | 1.5 | 0.01 | Balance | 0.35 | 2.35 | 0.08 | 2.0 | 1.0 | 0.5 | 0.03 |
A-286 Physical properties:
Density | 7.93 g/cm3 |
Melting point | 1364-1424℃ |
A-286 minimum mechanical properties in the room temperature:
Status | Tensile strength | Yield strength | Elongation |
A-286 | 950 | 680 | 28 |
IncoloyA-286 nickel-based alloy is Fe-25Ni-15Cr-based superalloy , which is comprehensively strengthened by adding molybdenum, titanium, aluminum, vanadium and trace boron.
IncoloyA-286Overview of IncoloyA-286 Nickel-Based Alloy :
1. It has high yield strength, durability and creep strength below 650℃, and has good processing plasticity and satisfactory welding performance. It is suitable for the manufacture of high-temperature load-bearing parts of aero-engines that work for a long time below 650°C , such as turbine disks, press disks, rotor blades and fasteners. The alloy can produce deformed products of various shapes, such as discs, forgings, plates, rods, wires and rings.
IncoloyA-286 nickel-based alloy improves the purity of the alloy, limits the gas content, controls the content of low melting point elements, and adjusts the heat treatment system, so as to improve the thermal strength and long-term performance of the alloy.
2. IncoloyA-286 material grade: IncoloyA-286.
3. Similar grades of IncoloyA-286: A286, UNSS66286 (United States), ZbNCT25 (France), PQA286 (United States).
4. Technical standard of IncoloyA-286 material: ASTM.
2. Heat treatment system of IncoloyA-286 nickel-based alloy :
The heat treatment system of IncoloyA-286 specified by the IncoloyA-286 material standard is shown in Table 1-2; the heat treatment system of high-quality IncoloyA-286 is 900℃±10℃, 1～2h, oil cooling +750℃±10℃, 16h, air cooling.
Table 1-2 Material Varieties Heat Treatment System Bar, round cake 980～1000℃, 1～2h, oil cooling +700～720℃, 12～16h, air cooling. Hot-rolled sheet, cold-rolled sheet 980～1000℃, air cooling +700～720℃, 12～16h, air cooling. Cold drawn rod 980～1000℃, 1～2h, oil cooling +700～720℃, 16h, air cooling.
Ring blank 980～990℃, 1～2h, oil cooling +700～720℃, 16h, air cooling. Cold heading is used for cold drawing at 980～1000℃, water cooling or oil cooling +700～720℃, 16h, air cooling.
Material variety | Heat treatment system |
Bars, round cakes | 980～1000℃, 1～2h, oil cooling +700～720℃, 12～16h, air cooling. |
Hot rolled sheet, cold rolled sheet | 980～1000℃, air cooling +700～720℃, 12～16h, air cooling. |
cold drawn rod | 980～1000℃, 1～2h, oil cooling +700～720℃, 16h, air cooling. |
Ring blank | 980～990℃, 1～2h, oil cooling +700～720℃, 16h, air cooling. |
Cold drawing for cold heading | 980～1000℃, water cooling or oil cooling +700～720℃, 16h, air cooling. |
Material variety heat treatment system
Bar, round cake 980～1000℃, 1～2h, oil cooling +700～720℃, 12～16h, air cooling.
Hot-rolled sheet, cold-rolled sheet 980～1000℃, air cooling +700～720℃, 12～16h, air cooling.
Cold drawn rod 980～1000℃, 1～2h, oil cooling +700～720℃, 16h, air cooling.
Ring blank 980～990℃, 1～2h, oil cooling +700～720℃, 16h, air cooling.
Cold heading is used for cold drawing at 980～1000℃, water cooling or oil cooling +700～720℃, 16h, air cooling.
Note: According to the standards of cold drawing and cold drawing, when the performance test is unqualified, the aging time at 760°C can be no more than 16h, and the delivery can be made after passing the test.
3. Specifications and supply status of Incoloy A-286 nickel-based alloy:
1. Variety classification: Incoloy A-286 seamless pipe, Incoloy A-286 steel plate, Incoloy A-286 round steel, Incoloy A-286 forging, Incoloy A-286 flange, IncoloyA-286 ring, Incoloy A-286 welded pipe, IncoloyA-286 Steel strip, Incoloy A-286 wire and Incoloy A-286 supporting welding consumables.
2. Delivery status: seamless pipe: solid solution + acid white, the length can be fixed to length; plate: solid solution, pickling, trimming; welded pipe: solid solution acid white + RT% flaw detection, forgings: annealing + car polishing; Bars are delivered in forged and rolled state, surface polished or polished; strips are delivered in cold-rolled, solution-softened, and de-scaled state; wire is in solution-pickled disc shape or straight-striped, solution-striped and finely ground Light state delivery.
