ATI Allegheny Ludlum Altemp® HX Nickel-Based superalloy

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ATI Allegheny Ludlum Altemp® HX Nickel-Based superalloy
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	Characteristics: outstanding resistance to oxidation at high temperatures, exceptional strength at elevated temperatures, good fabricability, good machinability in annealed condition, work hardening rate comparable to austenitic stainless steels, weldable by most fusion and resistance welding processes. Information provided by Allegheny Ludlum
Key Words:	UNS N06002
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Physical Properties	Original Value	Comments

Specific Gravity	8.22 g/cc
Density	8.22 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	720 MPa
	37.0 MPa @Temperature 1204 °C
	90.0 MPa @Temperature 1093 °C
	252 MPa @Temperature 871 °C
	472 MPa @Temperature 649 °C
	687 MPa @Temperature 427 °C
	713 MPa @Temperature 204 °C
	819 MPa @Temperature -78.0 °C
	1035 MPa @Temperature -196 °C
Tensile Strength, Yield	324 MPa
	26.0 MPa @Temperature 1204 °C
	55.0 MPa @Temperature 1093 °C
	177 MPa @Temperature 871 °C
	272 MPa @Temperature 649 °C
	301 MPa @Temperature 427 °C
	336 MPa @Temperature 204 °C
Elongation at Break	31 % @Temperature 1204 °C
	37 % @Temperature 649 °C
	40 % @Temperature 1093 °C
	41 % @Temperature 204 °C
	44 % @Temperature 427 °C
	46 % @Temperature -196 °C
	51 % @Temperature -78.0 °C
	51 % @Temperature 871 °C
Creep Strength	21.0 MPa @Temperature 899 °C	0.0001% per hour
	114 MPa @Temperature 649 °C	0.0001% per hour
Modulus of Elasticity	196 GPa
	126 GPa @Temperature 1000 °C
	143 GPa @Temperature 800 °C
	158 GPa @Temperature 600 °C
	185 GPa @Temperature 200 °C
Charpy Impact	9.00 ft-lb	Solution treated plus 871°C for 500 hours
	9.00 ft-lb	Solution treated at 816°C plus 168 hours
	20.0 ft-lb	Solution treated plus 982°C for 500 hours
	36.0 ft-lb	Solution treated plus 1038°C for 50 hours
	29.0 ft-lb @Temperature 816 °C	Solution treated plus 816°C for 168 hours

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0001158 ohm-cm @Temperature 21.0 °C
	0.000120 ohm-cm @Temperature 200 °C
	0.000123 ohm-cm @Temperature 400 °C
	0.000127 ohm-cm @Temperature 500 °C
	0.000128 ohm-cm @Temperature 800 °C
	0.000129 ohm-cm @Temperature 1000 °C
Magnetic Permeability	<= 1.002

Thermal Properties	Original Value	Comments
CTE, linear	13.9 µm/m-°C @Temperature 25.0 - 93.0 °C
	15.1 µm/m-°C @Temperature 26.0 - 538 °C
	16.6 µm/m-°C @Temperature 26.0 - 982 °C
Specific Heat Capacity	0.485 J/g-°C
	0.498 J/g-°C @Temperature 316 °C
	0.582 J/g-°C @Temperature 649 °C
	0.860 J/g-°C @Temperature 1093 °C
Thermal Conductivity	9.10 W/m-K
	14.1 W/m-K @Temperature 260 °C
	20.8 W/m-K @Temperature 593 °C
	25.0 W/m-K @Temperature 816 °C
	27.2 W/m-K @Temperature 927 °C
Melting Point	1260 - 1355 °C
Solidus	1260 °C
Liquidus	1355 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.080 %
Chromium, Cr	22 %
Cobalt, Co	>= 1.5 %
Iron, Fe	18.5 %	As Remainder
Manganese, Mn	0.50 %
Molybdenum, Mo	9.0 %
Nickel, Ni	>= 47.693 %
Phosphorus, P	0.025 %
Silicon, Si	0.20 %
Sulfur, S	0.0020 %
Tungsten, W	0.50 %

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