Special Metals NIMONIC® Alloy AP1

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Special Metals NIMONIC® Alloy AP1 (discontinued **)
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	A nickel-cobalt-chromium alloy produced by powder metallurgy. It is strengthened by precipitation hardening and by solid-solution strengthening through a molybdenum addition. Production of the alloy involves compaction, by hot isostatic pressing, of pre-alloyed powder made by argon gas atomization. The process yields an alloy with outstanding strength properties and forgeability. Used for discs in gas turbines. The standard product form is round. Data provided by the manufacturer, Special Metals.
Key Words:	Nickel-Chromium Alloy
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Physical Properties	Original Value	Comments

Density	8.03 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1300 MPa @Temperature 650 °C	Precipitation Hardened prior to test
	1500 MPa @Temperature 23.0 °C
Tensile Strength, Yield	1000 MPa @Temperature 650 °C	Precipitation Hardened prior to test; 0.2% offset
	1075 MPa @Temperature 23.0 °C
Elongation at Break	30 %	Precipitation Hardened
	35 % @Temperature 650 °C	Precipitation Hardened prior to test.

Thermal Properties	Original Value	Comments
CTE, linear	13.5 µm/m-°C @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.435 J/g-°C
Melting Point	1220 - 1340 °C
Solidus	1220 °C
Liquidus	1340 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	4.0 %
Boron, B	0.025 %
Carbon, C	0.020 %
Chromium, Cr	15 %
Cobalt, Co	17 %
Molybdenum, Mo	5.0 %
Nickel, Ni	55.5 %
Titanium, Ti	3.5 %

**
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NINC72 / 17422

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