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Alloy 159® Cobalt Bar - AMS 5842


Alloy 159® is a nickel based alloy in the multi-phase family of materials. This grade offers high strength, with good ductility and tension strength.  It has excellent resistance to crevice corrosion and is often used on corrosive environments.

Alloy 159® can perform well in environments up to 1100 Degrees F. Designed to meet the demmands of turbine engine manufacturers, Alloy 159® is commonly found in aerospace fasteners. 

Standard Inventory Specifications

  • AMS 5842
  • GE-S400/S1000
  • RR SABRe Edition 2
  • PWA LCS

Alloy 159® is used in Aerospace Fastener applications and can perform well in environments up to 100 Degrees F.  

Common Trade Names

  • MP 159

Common Applications of Alloy 159® 

  • Landing gear and bolts
  • Solid rocket boosters
  • Jet engines
  • Chemical processing
  • Pulp and paper
  • Power generation equipment
  • Marine equipment

Inventory Size Range

  • Bar : 0.325" - 0.774"

Please contact us for more details.

The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.

Chemical Composition of Alloy 159®

Element

Percent by Weight

Cobalt

36%

Nickel

25%

Chromium

19%

Iron

9%

Molybdenum

7%

Titanium

3%

Columbium

0.6%

Aluminum

0.2%

Mechanical Properties of Alloy 159®

Material

Condition

Tensile Strength MPA

Yield Strength MPA

Elongation %

Reduction of Area %

MP159

Annealed

843

398

60

69

 

Material

Condition

Tensile Strength MPA

Yield Strength MPA

Elongation %

Reduction of Area %

MP159

Annealed

843

398

60

69


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