Latrobe MP35N® Alloy

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Latrobe MP35N® Alloy
Categories:	Metal; Nonferrous Metal; Cobalt Alloy; Nickel Alloy
Material Notes:	MP35N is a nickel-cobalt base alloy of the Multiphase alloy system that has a unique combination of properties - ultra high strength, toughness, ductility, and outstanding corrosion resistance. The alloy is work-strengthened and aged to obtain strength levels of 260 to 300 ksi. MP35N alloy resists corrosion in hydrogen sulfide, salt water and other chloride solutions, as well as the mineral acids. It has exceptional resistance to crevice and stress corrosion cracking in sea water and other hostile environments. Information Provided by Timken Latrobe Steel. Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
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Physical Properties	Metric	English	Comments

Density	8.55 g/cc	0.309 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	90	90	Annealed
Tensile Strength, Ultimate	896 MPa	130000 psi	Annealed
Tensile Strength, Yield	379 MPa @Strain 0.2 %	55000 psi @Strain 0.2 %	Annealed
Elongation at Break	65 %	65 %	Annealed; in 4D
Reduction of Area	75 %	75 %
Modulus of Elasticity	232.8 GPa	33760 ksi	Annealed
	234.8 GPa	34050 ksi	Cold Worked and Aged
	201.0 GPa @Temperature 482 °C	29150 ksi @Temperature 900 °F	Annealed
	201.3 GPa @Temperature 482 °C	29190 ksi @Temperature 900 °F	Cold Worked and Aged
Shear Modulus	67.8 GPa @Temperature 482 °C	9830 ksi @Temperature 900 °F	Cold Worked and Aged
	70.60 GPa @Temperature 482 °C	10240 ksi @Temperature 900 °F	Annealed
	80.94 GPa @Temperature 25.6 °C	11740 ksi @Temperature 78.0 °F	Cold Worked and Aged
	83.36 GPa @Temperature 25.6 °C	12090 ksi @Temperature 78.0 °F	Annealed

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000986 ohm-cm @Temperature -184 °C	0.0000986 ohm-cm @Temperature -299 °F
	0.0001011 ohm-cm @Temperature -73.0 °C	0.0001011 ohm-cm @Temperature -99.4 °F
	0.0001033 ohm-cm @Temperature 20.0 °C	0.0001033 ohm-cm @Temperature 68.0 °F
	0.0001051 ohm-cm @Temperature 93.0 °C	0.0001051 ohm-cm @Temperature 199 °F
	0.0001078 ohm-cm @Temperature 204 °C	0.0001078 ohm-cm @Temperature 399 °F
	0.0001104 ohm-cm @Temperature 316 °C	0.0001104 ohm-cm @Temperature 601 °F
	0.0001179 ohm-cm @Temperature 649 °C	0.0001179 ohm-cm @Temperature 1200 °F
Magnetic Permeability	1.00085	1.00085	At 392K
	1.00142	1.00142	At 78K
Magnetic Susceptibility	8.03	8.03	At 392K
	13.47	13.47	At 78K

Thermal Properties	Metric	English	Comments
CTE, linear	11.2 µm/m-°C @Temperature -100 - 121 °C	6.22 µin/in-°F @Temperature -148 - 250 °F
	13.7 µm/m-°C @Temperature 21.0 - 204 °C	7.61 µin/in-°F @Temperature 69.8 - 399 °F
	15.7 µm/m-°C @Temperature 21.0 - 538 °C	8.72 µin/in-°F @Temperature 69.8 - 1000 °F
Thermal Conductivity	6.50 W/m-K @Temperature -184 °C	45.1 BTU-in/hr-ft²-°F @Temperature -299 °F
	15.0 W/m-K @Temperature 204 °C	104 BTU-in/hr-ft²-°F @Temperature 399 °F
Melting Point	1315 - 1440 °C	2399 - 2620 °F
Solidus	1315 °C	2399 °F
Liquidus	1440 °C	2620 °F

Component Elements Properties	Metric	English	Comments
Chromium, Cr	20 %	20 %
Cobalt, Co	35 %	35 %
Molybdenum, Mo	10 %	10 %
Nickel, Ni	35 %	35 %

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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Latrobe MP159® Alloy

NTIMK015 / 19363

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