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INCOLOY® 800H / 800HT®
ASTM B 409, B 408, B 407, B 564
UNS Number N08810
N08811
INCOLOY® 800H/HT® is an austenitic heat resistant alloy intended for high temperature structural applications. The mechanical properties of INCOLOY® 800H/HT®, combined with its resistance to high-temperature corrosion make 800H/HT® exceptionally useful for many applications involving long-term exposure to elevated temperatures and corrosive atmospheres. 1.
Mega Mex supplies INCOLOY® 800H/HT® alloy in the form of plates, sheets, strips, bar, wire, pipe, tubing, pipe fittings and flanges, welding wire, and welding electrode.
Typical applications are:
- Ethylene furnace quench boilers
- Reformer outlet pigtails and manifolds
- Heat exchangers
- Pressure vessels
Chemical Composition:
| Element | Avg. Nominal % |
|---|---|
| Chromium | 19.00 – 23.00 |
| Nickel | 30.00 – 35.00 |
| Manganese | Nil – 1.50 |
| Silicon | Nil – 1.00 |
| Aluminum | 0.15 – 1.20 |
| Titanium | 0.15 – 0.60 |
| Aluminum + Titanium | 0.85 – 1.20 |
| Carbon | 0.06 – 0.10 |
| Nitrogen | Nil – 0.15 |
| Cerium | Nil – 0.75 |
| Iron | 39.5 Min |
INCOLOY® 800H/HT® Chemical Resistance
- Excellent resistance to oxidation in high temperature environments
- Good resistance to many sulfur-containing atmospheres
- Good resistance to carburizing environments at high temperatures
INCOLOY® 800H/HT® Availability
Mega Mex supplies INCOLOY® 800H/HT® alloy in the form of plates, sheets, strips, bar, wire, pipe, tubing, pipe fittings and flanges, welding wire, and welding electrode.
You will find our prices highly competitive.