Chemical Composition Element Content (%) Cobalt, Co 35.7 Nickel, Ni 25.5 Chromium, Cr 19 Iron, Fe 9 Molybdenum, Mo 7 Titanium, Ti 3 Niobium, Nb 0.6 Aluminum, Al 0.2

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

Chemical Composition Element Content (%) Cobalt, Co 35.7 Nickel, Ni 25.5 Chromium, Cr 19 Iron, Fe 9 Molybdenum, Mo 7 Titanium, Ti 3 Niobium, Nb 0.6 Aluminum, Al 0.2

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

MP 159/UNS R30159

Grade: MP 159/UNS R30159

Sheet/Plate: 0.3mm-150mm

Strip/Foil: 0.02mm-16mm

Pipe: 6mm*0.5mm-1200mm*100mm

Bar: Ф6mm – Ф600mm

Wire: Ф0.01mm – Ф6mm

Others: Forged Rings, Flanges, Elbows, Tees, Reducers etc.

Standard: ASTM/ASME/AMS

MP159 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 is used in many different industries from use in prosthetic devices, jet engine components, fasteners, marine applications to petroleum industry applications.

Chemical Composition

Element	Content (%)
Cobalt, Co	35.7
Nickel, Ni	25.5
Chromium, Cr	19
Iron, Fe	9
Molybdenum, Mo	7
Titanium, Ti	3
Niobium, Nb	0.6
Aluminum, Al	0.2

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

Applications

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

Introduction

Specification

Chemical Composition

Element	Content (%)
Cobalt, Co	35.7
Nickel, Ni	25.5
Chromium, Cr	19
Iron, Fe	9
Molybdenum, Mo	7
Titanium, Ti	3
Niobium, Nb	0.6
Aluminum, Al	0.2

Mechanical

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

Application

Applications

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