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Incoloy 800H&Incoloy 800HT(UNS N08810, N08811 W.Nr. 1.4876, 1.4958)
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Incoloy 800H&Incoloy 800HT(UNS N08810, N08811 W.Nr. 1.4876, 1.4958)1.Incoloy 800H&Incoloy 800HT INTRODUCTION Nickel-iron-chromium alloys that have 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 hightemperature anneal. Used in chemical and petrochemical processing, power plants for super-heater and reheater tubing, industrial furnaces and heat-treating equipment. 2.Incoloy 800H&Incoloy 800HT STANDARD PRODUCT FORMS Pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire. 3.Incoloy 800H&Incoloy 800HT MAJOR SPECIFICATIONS UNS N08810, N08811 BS 3072, 3073, 3074, 3075, 3076 (NA15) ASTM A 240, A 480, B 163, B 366, B 407 – 409, B 514, B 515, B 564, B 751, B 775, B 829 ASME SA-240, SA-480, SB-163, SB-366, SB-407 – SB-409, SB-514, SB-515, SB-564, SB-751, SB-775, SB-829 ASME Code Cases 1325, 1949, 1983, 2339, N-201, N-254 DIN 17459, 17460 Werkstoff Nr. 1.4876, 1.4958, 1.4959 VdTüV 412, 434 EN 10028-7, 10095 ISO 4955A, 6207, 6208, 9723, 9725 4.Incoloy 800H&Incoloy 800HT LIMITING CHEMICAL COMPOSITION, % 5.Incoloy 800H&Incoloy 800HT PHYSICAL CONSTANTS AND THERMAL PROPERTIES Density, Ib/in3 (g/cm3)........................................... 0.287 (7.94) Melting Range, °F (°C).............2475 – 2525 (1357 – 1385) Specific Heat, Btu/lb•°F (J/kg•°C)........................ 0.11 (460) Curie Temperature, °F (°C)...................................-175 (-115) Permeability at 200 Oersted (15.9 kA/m)....................1.014 Coefficient of Expansion, 10-6 in/in•°F (μm/m•°C) 70-200°F (20-100°C)..................... 7.9 (14.4) Thermal ConductivityA , Btu•in/ft2•h•°F (W/m•°C).......80 (11.5) Electrical ResistivityA , ohm•circ mil/ft (μΩ•m)...... 595 (0.989) 6.Incoloy 800H&Incoloy 800HT TYPICAL MECHANICAL PROPERTIES
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