Alloy 800
information
Equivalent designations
UNS N08800
DIN W. Nr. 1.4876
|
Form |
ASTM |
|
Rod and bar |
B 408 |
|
Plate, sheet and strip |
A 240, A 480, B 409, B 906 |
|
Seamless pipe and tube |
B 407, B 829 |
|
Welded pipe |
B 514, B 775 |
|
Welded tube |
B 515, B 751 |
|
Welding fitting |
B 366 |
|
Forging |
B 564 |
Chemical composition
|
% |
Fe |
Ni |
Cr |
C |
Mn |
Si |
S |
Cu |
Al |
Ti |
|
min |
39.5 |
30.0 |
19.0 |
|
|
|
|
|
0.15 |
0.15 |
|
max |
|
35.0 |
23.0 |
0.10 |
1.50 |
1.00 |
0.015 |
0.75 |
0.60 |
0.60 |
Physical properties
|
Density |
7.94 g/cm3 |
|
Melting range |
1357-1385℃ |
Features: Incoloy 800 has good rupture and creep strength and excellent resistance to oxidation, carburization and sulfidation at temperatures up to 816℃. It also resists general corrosion by many aqueous media. For applications requiring higher stress rupture and creep properties, especially at temperatures above 816℃, Incoloy 800H and 800HT are recommended. Incoloy 800 is readily formed, welded and machined.
Applications: Chemical and petrochemical process piping, heat exchangers, furnace components, carburizing equipment, heating-element sheathing, and nuclear power steam-generator tubing.
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