INCONEL 800

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Inconel 600 Inconel 600® Nickelvac 600®, Ferrochronin 600
Inconel 800 Incoloy 800H®, Ferrochronin® 800, Nickelvac® 800, Nicrofer® 3220
Inconel 625 Inconel 625®, Chronin® 625, Altemp® 625, Haynes® 625, Nickelvac® 625, Nicrofer® 6020
Inconel 825 Incoloy 825®, Nickelvac® 825, Nicrofer® 4221

 

Incoloy 800H®, Ferrochronin® 800, Nickelvac® 800, Nicrofer® 3220Incoloy 800H®, Ferrochronin® 800, Nickelvac® 800, Nicrofer® 3220

Incoloy® alloy 800 is a widely used material of construction for equipment that must have high strength and resist carburization,oxidation and other harmful effects of high-temperature exposure. (For high temperature applications requiring optimum rupture and creep properties, Incoloy® alloys 800H and 800HT® are used). The chromium in the alloy imparts resistance to oxidation and corrosion. The high percentage of nickel maintains an austenitic structure so that the alloy is ductile. the nickel content also contributes general corrosion, resistance to scaling and stress-corrosion cracking. 
Incoloy® alloy 800 is used in a variety of applications involving exposure to high temperatures and corrosive environments. It is used for heat-treating equipment such as baskets, trays and fixtures. In chemical and petrochemical processing the alloy is used for heat exchangers and other piping systems in nitric acid media especially where resistance to chloride stress-corrosion cracking is required. In nuclear power plants, it is used for steam-generator tubing. The alloy is often used in home appliances for sheathing of electric heating elements. In the production of paper pulp, digester liquid heaters are often made of alloy 800. In petroleum processing , the alloy is used for heat exchangers that air-cool the process stream.

Incoloy 800® is a nickel-chromium alloy with good strength and excellent resistance to oxidation and carburization. The alloy maintains stable structure during exposure to high temperature, therefore incoloy 800® has good  corrosion resistance  to many acidic environments.

Available forms are Inconel 800 Seamless Pipe, Inconel 800 Welded Pipe, Inconel 800 Seamless Tube, Inconel 800 Welded Tube, Inconel 800 Round Bars, Inconel 800 Wire, Inconel 800 Sheet, Inconel 800 Plate, Inconel 800 Forgings, Inconel 800 Pipe Fittings and Inconel 800 Flanges.

Chemical Analysis of ALLOY 800 UNS (N08800)

C
MN
P
S
Si
Cr
Ni
Mo
Cu
Co
Cb+Ta
Ti
Al
Fe
Al + Ti
Grain
.10 max
       
19.0 - 23.0
30.0-35.0 
       
0.15 - 0.60
0.15 -0.60
39.5 min
3.15 4.15
 


Specification:-

 Sheet / Plate
 ASME SB-409 / AMS 5877
 Round Bar
 ASME SB-408 / AMS 5766
 Pipe
 ASME SB-407 / ASME SB-829 / ASME SB-514 / ASME SB-775
 Tube  ASME SB-407 / ASME SB-829 / ASME SB-515 / ASME SB-751
 Fittings  ASME SB-366
 Forgings  ASME SB-564 / AMS 5766

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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


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