Model No: MP159

MP159

MP159 alloy is a Nickel-Cobalt based multiphase alloy. This combination of properties enables ultra high strength, toughness, good ductility and excellent corrosion resistance.

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MP159 Alloy Description

MP159 alloy is a Nickel-Cobalt based multiphase alloy. This combination of properties enables ultra high strength, toughness, good ductility and excellent corrosion resistance. Through work strengthening and aging MP159 alloy exhibits ultimate tensile strength levels in excess of 1830 MPa. MP159 alloy is used in many different industries from use in prosthetic devices, jet engine components, fasteners, marine applications to petroleum industry applications.

MP159 Alloy Chemical Composition

MP159 Alloy Mechanical Properties

Condition	Tensile Strength ksi	Yield Strength ksi	Elongation %	Reduction of Area %	Hardness HRC
Annealed	123	58	60	69
AMS 5841	160 max	70 max	50	65	20 HRC max
Annealed, Cold Worked 48%	230	205	12	46
AMS 5842	-	-	-	-	≥38HRC
Annealed, Cold Worked + Aged	275	265	8	35
AMS 5843	260 min	250 min	6 min	20 min	≥44HRC

MP159 Alloy Specifications

UNS R30159
AMS 5841 Bar (Solution Heat Treated)
Solution Heat Treat: 1900°F - 1925°F / 4-8 hours + Water Quench
AMS 5842 Bar (Solution Heat Treated and Work Strengthened)
Solution Heat Treat: 1900°F - 1925°F / 4-8 hours + Water Quench
Followed by work strengthened / strain hardening
AMS 5843 Bar (Solution Heat Treated, Work Strengthened and Aged)
Solution Heat Treat: 1900°F - 1925°F / 4-8 hours + Water Quench
Followed by work strengthened / strain hardening
Followed by ageing: 1200-1250°F 4-4.5 hours + Air Cool.

MP159 Alloy Applications

Landing gears and bolt material
Solid rocket boosters
Jet engines
Chemical processing
Pulp and paper
Power generation equipment
Marine equipment