Multimet N155
Multimet N155
Multimet N155
Model No: Multimet N155

Multimet N155

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Multimet N155 Description:

Multimet N155 is a Nickel-Chromium-Cobalt alloy with additions of Molybdenum and Tungsten used typically in parts requiring high strength up to 1350°F and oxidation resistance up to 1800°F. Its high-temperature properties are inherent in the as-supplied condition (solution treated at 2150°F) and are not dependent on age-hardening. Multimet N155 is used in a number of aerospace applications such as tailpipes and tail cones, turbine blades, shafts and rotors, afterburner components and high-temperature bolts.

Multimet N155 Chemical Composition:

C

Carbon 0.08 – 0.16

Mn

Manganese 1.00 – 2.00 max

Si

Silicon 1.00 max

S

Sulfur 0.03 max

P

Phosphorus 0.04 max

Cr

Chromium 20.00 – 22.5

Ni

Nickel 19.00 – 21.00

Co

Cobalt 18.5 – 21.00

Mo

Molybdenum 2.5 – 3.5

W

Tungsten 2.0 – 3.0

Cb + Ta

Niobium + Tantalum 0.75 – 1.25

N

Nitrogen 0.1 – 0.2

Multimet N155 Mechanical Properties:

Material

Form

Ultimate Tensile Strength ksi

Elongation in 2"(min)

Hardness HB

Multimet N155

Bar (AMS 5769)

 

 

156-217

Multimet N155

Sheet / Plate          (AMS 5532)

110-140

40

-

Multimet N155 Specifications:

  • AMS 5532 Sheet, Plate and Strip
  • AMS 5769 Bars, Rings and Forgings
  • AMS 5794 Welding Wire
  • AMS 5795 Coated Electrodes
  • UNS R30155

Multimet N155 Applications:

  • Multimet N155 nickel alloy is used for numerous industrial applications, some of which include:
  • Air & land based turbine engines
  • Aircraft tail cones & tail pipes
  • Aircraft exhaust manifolds
  • Aircraft combustion chambers
  • Afterburners
  • Buckets & bolts