Latrobe MP159® Alloy

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Latrobe MP159® Alloy
Categories:	Metal; Nonferrous Metal; Cobalt Alloy; Nickel Alloy
Material Notes:	MP159 is an alloy of the Multiphase family of alloys possessing the unique combination of ultra-high strength, ductility and corrosion resistance. Through work strengthening and aging, MP159 alloy exhibits ultimate tensile strength levels in excess of 265,000 psi while maintaining reduction of area values greater than 30%. Excellent strength and ductility are also evident at elevated temperatures up to 1100 - 1200 °F. MP159 alloy is produced by vacuum induction melting followed by VAC-ARC remelting to provide optimum control of chemistry and preferred ingot solidification. Information Provided by Timken Latrobe Steel. Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Key Words:	MP-159
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Physical Properties	Metric	English	Comments

Density	8.33 g/cc	0.301 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	848 MPa	123000 psi	Annealed 1052°C
	1590 MPa	230000 psi	Cold Worked 48%
Tensile Strength, Yield	400 MPa @Strain 0.2 %	58000 psi @Strain 0.2 %	Annealed 1052°C
	1415 MPa @Strain 0.2 %	205200 psi @Strain 0.2 %	Cold Worked 48%
Elongation at Break	12 %	12 %	Cold Worked 48%
	60 %	60 %	Annealed 1052°C
Reduction of Area	46 %	46 %	Cold Worked 48%
	69 %	69 %	Annealed 1052°C
Modulus of Elasticity	208 GPa @Temperature 232 °C	30200 ksi @Temperature 450 °F	Annealed
Shear Modulus	75.8 GPa @Temperature 232 °C	11000 ksi @Temperature 450 °F	Annealed

Electrical Properties	Metric	English	Comments
Magnetic Permeability	1.00265	1.00265	At 77K

Thermal Properties	Metric	English	Comments
CTE, linear	14.3 µm/m-°C @Temperature 25.0 - 100 °C	7.94 µin/in-°F @Temperature 77.0 - 212 °F
	14.9 µm/m-°C @Temperature 25.0 - 500 °C	8.28 µin/in-°F @Temperature 77.0 - 932 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.20 %	0.20 %
Chromium, Cr	19 %	19 %
Cobalt, Co	35.7 %	35.7 %
Iron, Fe	9.0 %	9.0 %
Molybdenum, Mo	7.0 %	7.0 %
Nickel, Ni	25.5 %	25.5 %
Niobium, Nb (Columbium, Cb)	0.60 %	0.60 %
Titanium, Ti	3.0 %	3.0 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NTIMK016 / 19364

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