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* Inconel/Incoloy and Monel are
Registered Trademarks of Special Metals Corporation and its subsidiaries.
Inconel 800 Technical Data
Description: Inconel 800 is an iron-nickel-chromium alloy with moderate strength and good
resistance to oxidation and carburization at elevated temperatures. It is
particularly useful for high-temperature equipment in the petrochemical
industry because the alloy doesn't form the embrittling sigma phase after long
time exposure at 1200 Degrees F (649 Degrees C). Excellent resistance to chloride
stress-corrosion cracking is another important feature of Inconel 800.
Alloy 800H is a solution heat treated (2100 Degrees F/1150 Degrees C), controlled-carbon
version of Alloy 800 with improved elevated temperature properties. It has
improved creep and stress-rupture characteristics in the 1100 Degrees F (593
Degrees C) to
1800 Degrees F (982 Degrees C) temperature range.
Applications:
Typical applications for Alloy 800 and 800H
are - Heat exchangers and process piping; carburizing fixtures and retorts;
furnace components; electric range heating-element sheathing; extruded tubing
for ethylene and steam methane reforming furnaces; ammonia effluent coolers.
Specifications: Inconel 800 - UNS N08800, Inconel 800H - UNS N08810,
Inconel 800HT - UNS N08811, Werkstoff Nr 1.4876
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)
Degrees
F
Degrees C
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
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