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Extreme Materials from MCAM
Visit Mitsubishi Chemical Advanced Materials for Extreme Materials - high performance plastic machining stock engineered to replace metals such as nickel alloys or stainless steel.

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
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Physical PropertiesMetricEnglishComments
Density 7.94 g/cc0.287 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 560 MPa81200 psiAnnealed
 480 MPa
@Temperature 550 °C		69600 psi
@Temperature 1020 °F		Annealed prior to test
Tensile Strength, Yield 250 MPa36300 psiAnnealed
 130 MPa
@Temperature 550 °C		18900 psi
@Temperature 1020 °F		Annealed prior to test
Elongation at Break 45 %45 %Annealed prior to test.
 44 %
@Temperature 550 °C		44 %
@Temperature 1020 °F		Annealed prior to test.
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000989 ohm-cm0.0000989 ohm-cm
Magnetic Permeability 1.0141.014at 200 Oersted (15.9 kA/m)
Curie Temperature -115 °C-175 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 14.4 µm/m-°C
@Temperature 20.0 - 100 °C		8.00 µin/in-°F
@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.460 J/g-°C0.110 BTU/lb-°F
Thermal Conductivity 11.5 W/m-K79.8 BTU-in/hr-ft²-°F
Melting Point 1357 - 1385 °C2475 - 2525 °F
Solidus 1357 °C2475 °F
Liquidus 1385 °C2525 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 0.15 - 0.60 %0.15 - 0.60 %
Carbon, C 0.060 - 0.10 %0.060 - 0.10 %
Chromium, Cr 19 - 23 %19 - 23 %
Copper, Cu <= 0.75 %<= 0.75 %
Iron, Fe >= 39.5 %>= 39.5 %
Manganese, Mn <= 1.5 %<= 1.5 %
Nickel, Ni 30 - 35 %30 - 35 %
Silicon, Si <= 1.0 %<= 1.0 %
Sulfur, S <= 0.015 %<= 0.015 %
Titanium, Ti 0.15 - 0.60 %0.15 - 0.60 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NINC81 / 17424

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