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INCOLOY A-286

Incoloy A-286 is a Fe-25Ni-15Cr-based high-temperature alloy, which is comprehensively strengthened by adding molybdenum, titanium, aluminum, vanadium and trace boron. It has high yield strength, long-lasting and creep strength below 650℃, and has good processing plasticity and satisfactory welding performance.

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INCOLOY

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PRODUCT DETAILS

Incoloy A-286 Similar grades of Incoloy A-286 A286, UNSS66286 (USA), ZbNCT25 (France), P.Q.A286 (USA)It is suitable for manufacturing high-temperature load-bearing parts of aircraft engines that work for a long time below 650℃, such as turbine disks, press disks, rotor blades and fasteners. The alloy can produce deformed products of various shapes, such as disks, forgings, plates, rods, wires and rings

1.4 Chemical composition of Incoloy A-286 :

≤

≤0.08

13.5～16.0

24.0～27.0

1.00～1.50

1.75～2.30

margin

0.10～0.50

0.001～0.010

1.00～2.00

0.04

1.00

0.030

0.020

Note: 1 The standard for cold-drawn bars, round cakes and ring blanks is ω(Ti)1.80%～2.35%.

2 The standard for hot-rolled and cold-rolled plates is ω(B)0.003%～0.010%, ω(Mn)≤2.00%, ω(P)≤0.020%, ω(S)≤0.015%.

3 The standard for cold-drawn welding wire is ω(Al)≤0.35%, ω(Ti)1.75%～2.35%, ω(Si)0.40%～1.00%, ω(P)≤0.020%, ω(S)≤0.015%.

4 The standard for wire for cold heading is ω(Ti)1.75%～2.35%, ω(Si)0.40%～1.00%, ω(P)≤0.025%, ω(S)≤0.020%.

5 Hot-rolled and forged bar standards

1.5 Incoloy A-286 heat treatment system The Incoloy A-286 heat treatment system specified in the material standard is shown in Table 1-3; the heat treatment system for high-quality Incoloy A-286 is 900℃±10℃, 1~2h, oil cooling + 750℃±10℃, 16h, air cooling. Note: Before determining the analysis method, the trace elements Se, Te, and Tl are reported as measured data and are not used as the basis for acceptance.

Note: According to the standards for cold-drawn bars and cold-drawn wires, if the performance test fails, it can be aged at no more than 760℃ for 16h, and delivery will be made after passing the test.

Material Variety	Heat treatment system
Bars, round cakes	980～1000℃，1～2h，Oil cooler＋700～720℃，12～16h,Air Cooling
Hot rolled plate, cold rolled plate	980～1000℃，Air Cooling＋700～720℃，12～16h，Air Cooling
Cold drawn rod	980～1000℃，1～2h，Oil cooler＋700～720℃，16h,Air Cooling
Ring blank	980～990℃，1～2h，Oil cooler＋700～720℃，16h,Air Cooling
Cold drawn wire for cold heading	980～1000℃，Water Cooling OT Oil cooler＋700～720℃，16h,Air Cooling

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