Special Metals NIMONIC® Alloy PK33

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Special Metals NIMONIC® Alloy PK33
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	A nickel-chromium-cobalt alloy that is precipitation hardenable and also contains a relatively high (7%) level of molybdenum for solid-solution strengthening. It has an exceptional combination of high-temperature strength, creep resistance, and ductility when welded. The alloy is especially suitable for welded sheet structures. Used in gas turbines for flame tubes and other components. Standard product forms are round, extruded section, sheet, and wire. Data provided by the manufacturer, Special Metals.
Key Words:	Nickel-Chromium Alloy; DTD 5057; AFNOR NC 19 KDu/v
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	8.21 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1020 MPa @Temperature 650 °C	Precipitation Hardened prior to test
	1150 MPa @Temperature 23.0 °C
Tensile Strength, Yield	750 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	30 %	Precipitation Hardened
	30 % @Temperature 650 °C	Precipitation Hardened prior to test.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000126 ohm-cm
Magnetic Permeability	1.0005	at 200 Oersted (15.9 kA/m)

Thermal Properties	Original Value	Comments
CTE, linear	12.1 µm/m-°C @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.419 J/g-°C
Thermal Conductivity	11.3 W/m-K
Melting Point	1300 - 1345 °C
Solidus	1300 °C
Liquidus	1345 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	1.7 - 2.5 %
Boron, B	<= 0.0050 %
Carbon, C	<= 0.070 %
Chromium, Cr	16 - 20 %
Cobalt, Co	12 - 16 %
Copper, Cu	<= 0.20 %
Iron, Fe	<= 1.0 %
Manganese, Mn	<= 0.50 %
Molybdenum, Mo	5.0 - 9.0 %
Nickel, Ni	54 %	As remainder
Silicon, Si	<= 0.50 %
Sulfur, S	<= 0.015 %
Titanium, Ti	1.5 - 3.0 %
Zirconium, Zr	<= 0.060 %

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NINC71 / 17421

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