MP159 Forgings | UNS R30159 Specifications

MP159 Forgings


Strengthening of super alloys is performed by work hardening, solid-solution hardening, and precipitation hardening methods. MP159™ is a multiphase cobalt-nickel-chromium alloy with ductility, corrosion resistance, and ultra-high strength.
Super alloys contain many elements in a variety of combinations to obtain desired results. These alloys are good for use at high temperatures and severe mechanical stress, and also in cases where high surface stability is needed. Super alloys provide good creep and oxidation resistance.

MP159 Forgings Properties

UNS R30159 Forgings Chemical Requirements

Element Co Ni Cr Fe Mo Ti Nb Al
Content (%) 35.7 25.5 19 9 7 3 0.6 0.2

UNS R30159 Forgings Mechanical Requirements

Properties Metric Imperial
Tensile strength (annealed 1052°C) 848 MPa 123000 psi
Yield strength (at strain 0.200%, annealed 1052°C) 400 MPa 58000 psi
Elastic modulus (at 232°C/450°F,annealed) 208 GPa 30200 ksi
Shear modulus (at 232°C/450°F,annealed) 75.8 GPa 11000 ksi
Elongation at break (cold worked 48%) 12% 12%
Reduction of area 46% 46%

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