A-286 Bolt

A-286 is a precipitation strengthened nickel-based high-temperature high-strength alloy

 

It has high yield strength, durability and creep strength below 650°C, and has good processing plasticity and satisfactory welding performance. It is suitable for manufacturing high-temperature load-bearing components of aero-engines that work for a long time below 650°C.

 

Similar Grades

Germany: W.Nr.1.4980

France: ZbNcT25

 

Technical Standard

Rod ASTM A473/ ASTM A638/ ASTM B564

AMS 5731/5732/5734/5734/5895

 

Typical values(Weight %)

Cr	Ni	Mo	Ti	V	Fe
13.5-16.0	24.0-27.0	2.50-3.20	1.90-2.35	0.1-0.5	Remain
C	Al	Mn	Si	P	S
≤0.08	≤0.35	≤0.35	≤0.20	≤0.15	≤0.20

 

Mechanical Properties (Room Temperature)

Variety	σЬ/ MPa	σ0..2 / MPa	δ5/%	HBS
Rolled rod, Forged rod	930	-	≤20	255-321

 

Physical Data

Temperature ℃	Thermal conductivity W/mk	Linear expansion coefficient 10-6/K
100	14.2	15.37
200	15.9	16.09
300	17.2	16.31
400	18.8	16.84
500	20.5	17.58
600	22.2	18.06
700	23.9	18.74
800	25.5	19.62
900	27.6	20.45

 

Application Field

● Parts in aero-engine

● Engine compressor disk, turbine disk, bearing ring

● Case, supercharger, turbine wheel

● Afterburner parts and fasteners

● Welding force of fasteners and plates

 

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