Special Metals NIMONIC® Alloy 105

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Special Metals NIMONIC® Alloy 105
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	A precipitation-hardenable nickel-cobalt-chromium alloy with an addition of molybdenum for solid-solution strengthening. The relatively high aluminum content enhances both strength (through greater precipitation hardening) and oxidation resistance. The alloy has high creep-rupture properties at temperatures to about 1740°F (950°C). Used in gas turbines for blades, discs, and shafts. Standard product forms are round and extruded section. Data provided by the manufacturer, Special Metals.
Key Words:	BS HR3; Werkstoff Nr. 2.4634; AFNOR NK 20 CDA; AECMA Pr EN 2179-2181, WL Nr. 2.4634, Nickel-Chromium Alloy
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Physical Properties	Original Value	Comments

Density	8.01 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1030 MPa @Temperature 650 °C	Precipitation Hardened prior to test
	1150 MPa @Temperature 23.0 °C
Tensile Strength, Yield	770 MPa @Strain 0.2 %	Precipitation Hardened. Value at room temperature
	720 MPa @Strain 0.2 %, Temperature 650 °C	Precipitation Hardened prior to test
Elongation at Break	25 %	Precipitation Hardened
	30 % @Temperature 650 °C	Precipitation Hardened prior to test.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000131 ohm-cm
Magnetic Permeability	1.0007	at 200 Oersted (15.9 kA/m)

Thermal Properties	Original Value	Comments
CTE, linear	12.2 µm/m-°C @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.419 J/g-°C
Thermal Conductivity	10.89 W/m-K
Melting Point	1290 - 1345 °C
Solidus	1290 °C
Liquidus	1345 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	4.5 - 4.9 %
Boron, B	0.0030 - 0.010 %
Carbon, C	<= 0.12 %
Chromium, Cr	14 - 15.7 %
Cobalt, Co	18 - 22 %
Copper, Cu	<= 0.20 %
Iron, Fe	<= 1.0 %
Manganese, Mn	<= 1.0 %
Molybdenum, Mo	4.5 - 5.5 %
Nickel, Ni	51 %	As remainder
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.010 %
Titanium, Ti	0.90 - 1.5 %
Zirconium, Zr	<= 0.15 %

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NINC65 / 17415

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