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Alloy N-155

Short Description:

N-155 alloy has high temperature properties which are inherent and do not depend upon age hardening. It is recommended for applications involving high stresses at temperatures up to 1500°F, and can be used up to 2000°F where only moderate stresses are involved. It has good ductility, excellent oxidation resistance, and can be readily fabricated and machined.

N-155 is recommended for parts which must possess good strength and corrosion resistance up to 1500°F. It is used in numerous aircraft applications such as tail cones and tailpipes, exhaust manifolds, combustion chambers, afterburners, turbine blades and buckets, and bolts.


Product Detail

Product Tags

Chemical Composition

Alloy element C Si Mn S P Ni Cr Co N Fe Cu W

N-155 alloy

Min 0.08   1.0     19.0 20.0 18.5 0.1     2.00
Max 0.16 1.0 2.0 0.03 0.04 21.0 22.5 21.0 0.2 Balance 0.50 3.00
Other Nb:0.75~1.25 ,Mo:2.5~3.5;

Mechanical Properties

Aolly Status

Tensile strength Rm Mpa  min

Elongation A 5 min%

annealed

689~965

40

Physical Properties

Density g/cm3

Melting Point 

8.245

1288~1354

Standard

Sheet/Plate -AMS 5532

Bar/Forgings -AMS 5768 AMS 5769


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