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Data Sheet:

Alloy 800, 800H and 800HT 

Alloy 800, Alloy 800H, Alloy 800 HT
Weight % Ni Cr Fe C Al Ti Al +Ti
Alloy 800 30.0 -35.0 19.0-23.0 39.5 min 0.10 max 0.15-0.60 0.15-0.60 0.30-1.20
Alloy 800H 30.0 -35.0 19.0-23.0 39.5 min 0.05-0.10 0.15-0.60 0.15-0.60 0.30-1.20
Alloy 800HT 30.0 -35.0 19.0-23.0 39.5 min 0.06-0.10 0.25-0.60 0.25-0.60 0.85-1.20

ASTM Grain Size - Alloy 800 is not specified, Alloy 800H is 5 or coarser, Alloy 800HT is 5 or coarser.  

 

The 800 series of alloy (800, 800H and 800HT) are nickel-iron-chromium superalloys that have excellent properties of high temperature strength and resistance to oxidation, carburization and other types of high temperature corrosion.  Alloy 800, 800H and 800HT are used in various applications from furnace components, petrochemical furnace cracker tubes to sheathing for electrical heating elements. 

  

Availability

Alloy 800  is available in Bar (Round), Rod, Plate, Sheet, Strip, Shapes, Forging Stock, Tube and Welding Wire.  View Stock List, Plate Stock List or contact Sales for further availability.

  

Specifications

Alloy 800 - UNS N 08800

Alloy 800H - UNS N08810

Alloy 800HT - UNS N08811

Werkstoff Nr 1.4876

Inconel 800 (trademark)

 

Rod ASTM B 408, ASME SB 408, ISO 9723, BS 3076NA15, DIN 17460, EN 10095
Bar AMS 5766, ASTM B 408, ASME SB 408, ISO 9723, BS 3076NA15, DIN 17460, EN 10095
Wire ISO 9724, BS 3075NA15
Forgings AMS 5766, ASTM B564, ASME SB 564, ASME Code Case 1949, ISO 9725, DIN 17460
Plate AMS 5871, ASTM A 240/A 480, ASME SA 240/SA 480, ASTM B 409/B 906, ASME SB 409/SB 906, BS 3072NA15, DIN 17460, EN 10028-7, EN 10095
Sheet AMS 5871, ASTM A 240/A 480, ASME SA 240/SA 480, ASTM B 409/B 906, ASME SB 409/SB 906, BS 3072NA15, DIN 17460, EN 10028-7, EN 10095
Strip AMS 5871, ASTM A 240/A 480, ASME SA 240/SA 480, ASTM B 409/B 906, ASME SB 409/SB 906, BS 3073NA15, DIN 17460, EN 10028-7, EN 10095
Pipe ASTM B 407/B 829, ASME SB 407/SB 829 (Seamless Pipe), BS 3074NA15 (Seamless Pipe), DIN 17459
Tube ASTM B 163, ASME SB 163 (Seamless Condenser & Heat Exchanger Tubes), ASTM B 407/B 829, ASME SB 407/SB 829 (Seamless Tube), ASTM B 515/B 751, ASME SB 515/SB 751 (Welded Tubes), BS 3074NA15 (Seamless Tubes), ISO 6207, DIN 17459
Other ASTM B 366, ASME SB 366 (Fittings) - ASME Code Cases N201 & N254 (All products for nuclear construction), ISO 4955A (General), NACE MR-01-75, AFNOR Z5 NC 35-20
All ASME Code Case 1325, SEW 470, VdTUV 412 and 434, 

  

Typical Mechanical Properties of 800H and 800HT at High Temperatures

Temp Hardness BHN Tensile Strength Yield Strength (0.2% Offset)
ºF ºC    ksi MPa ksi Mpa
80 27 126 77.8 536 21.7 150
800 425    67.5 465 18.8 130
1000 540 90 62.7 432 13.0 90
1200 650 84 54.8 378 13.5 93
1300 705 82 47.7 329 15.8 109
1400 760 74 34.2 236 13.1 90

800HT is a Trademark of Special Metals Corporation

   

Disclaimer    

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

   

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