Incoloy 800H
Incoloy 800H Alloy
What is Incoloy 800H Alloy?
INCOLOY® alloy 800H (UNS N08810) had been known for some time that higher carbon alloy 800 had higher creep and rupture properties than low-carbon material.
For that reason, Special Metals had melted to a carbon range of 0.05 to 0.10% except for special orders where customers specified a lower carbon content.
The carbon range of 0.05 to 0.10% is within the ASTM and ASME specification limits for alloy 800 and is in the upper portion of that range.
Typical applications for the 800H alloy include ethylene pyrolysis, hydrocarbon cracking, cracking furnaces for vinyl chloride, diphenol and acetic acid.
This alloy is also used for valves, fittings and other components exposed to corrosive attack from 1100 to 1800 deg F.
Alloys 800H and 800HT are available in all standard mill forms including rod, bar, plate, sheet, strip, shapes, and tubular products.
Incoloy 800H Standards
ASTM B407
-Seamless Pipe & Tube
ASTM B775
-Welded Pipe & Tube
ASTM B408
-Rod, Bar
ASTM B409
-Plate, Sheet, Strip & Foil
Incoloy 800H Chemical Composition
Incoloy 800H Data Sheet
Incoloy 800H Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| Alloy 800H | 1.4958 | N08810 | – | – | – | – | – | – |
Incoloy 800H Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.94 g/cm3 | 1385 °C (2525 °F) | 250-550Mpa | 90-150Mpa | 45% – 15% |
Incoloy 800H Applications
Incoloy 800H Related Resources
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