Special Metals INCOLOY® Alloy 800HT™

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Special Metals INCOLOY® Alloy 800HT™
Categories:	Metal; Superalloy; Iron Base
Material Notes:	A nickel-iron-chromium alloy having the same basic composition as INCOLOY alloy 800 but with significantly higher creep-rupture strength. The higher strength results from close control of the carbon, aluminum, and titanium contents in conjunction with a high-temperature anneal. Used in chemical and petrochemical processing, in power plants for super-heater and reheater tubing, in industrial furnaces, and for heat-treating equipment. Standard product forms are round, flats, forging stock, pipe, tube, plate, sheet, strip, and wire. Data provided by the manufacturer, Special Metals.
Key Words:	ASME SB-163, SB-407 - SB-409, SB-564, Boiler Code Sections I, VIII, UNS N08811; ASTM B 163, B 407 - B 409, B 514, B 515, B 564; BS 3072, 3074, 3076 (NA15H), Werkstoff Nr. 1.4876; S.E.W. 470
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	7.94 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	560 MPa	Annealed
	480 MPa @Temperature 550 °C	Annealed prior to test
Tensile Strength, Yield	250 MPa	Annealed
	130 MPa @Temperature 550 °C	Annealed prior to test
Elongation at Break	45 %	Annealed prior to test.
	44 % @Temperature 550 °C	Annealed prior to test.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000989 ohm-cm
Magnetic Permeability	1.014	at 200 Oersted (15.9 kA/m)
Curie Temperature	-115 °C

Thermal Properties	Original Value	Comments
CTE, linear	14.4 µm/m-°C @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.460 J/g-°C
Thermal Conductivity	11.5 W/m-K
Melting Point	1357 - 1385 °C
Solidus	1357 °C
Liquidus	1385 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.15 - 0.60 %
Carbon, C	0.060 - 0.10 %
Chromium, Cr	19 - 23 %
Copper, Cu	<= 0.75 %
Iron, Fe	>= 39.5 %
Manganese, Mn	<= 1.5 %
Nickel, Ni	30 - 35 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.015 %
Titanium, Ti	0.15 - 0.60 %

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NINC81 / 17424

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