A286 has high yield strength and lasting creep strength under 650 ℃, and has good processing plastic and satisfactory welding performance.s That is suitable for manufacturing high temperature bearing parts of aircraft engine working under 650 ℃ for a long time, etc.

Application

Aircraft engine components;Engine jet tray, Turbine disk;Fasteners ,Turbine Vane.

parameter

Cross Reference

U.S.A.	Germany
A286,UNS66286	W.Nr.1.4980

Chemical Composition (%)

C

P

S

Si

Mn

Al

Cr

Ni

Mo

Ti

V

B

Fe

≤

0.08

0.030

0.020

1.00

2.00

0.40

13.5~16.0

24.0~27.0

1.00~1.50

1.75~2.30

0.10~0.50

0.001~0.010

Balance

Physical Property

Melting Point	1364-1424℃
Density	7.93g/cm3

Heat Treatment

1. The solid solution temperature during 980 ~ 1000 ℃,according to parts of section thickness, the heat preservation time lasts differently, then air cooling, oil cooling or water, in 700 ~ 720 ℃ aging 12~16 h,after air cooling;
2. Heat treatment process for high quality of A286 alloy parts: solid solution 900 ℃+/-10 ℃, 1~2 h, oil cooling + aging 750 ℃+/-10 ℃, 16 h, air cooling.

Welding

1. With the satisfactory welding performance, argon arc welding, spot welding, and seam welding can be used to weld A286 alloy;
2. The welding of A286 alloy in the solid solution state, the aging treatment after welding.

Specification

Plate, Bar/Rod, Disk,Ring.

Size Range

1. Sheet---Thickness 0.10mm~0.50mm,width10.0~210.0mm, Condition:cold rolled,bright
2. Plate---Thickness 3.5~40.0mm,width≤300mm, Condition:cold rolled,hot rolled
3. Bar---Dia 8.0mm~Dia 32.0mm,length≤2000mm, Condition:hot rolled,burnished Dia 32.0mm~Dia 150.0mm,length:≤1000mm, Condition:hot forging,peeled,turned