Incoloy 800 (UNS N08800): Chemical Composition, Features, and Applications
SSM Supplies INCOLOY 800 Series Products
1. Chemical Composition of Incoloy 800
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 30.0–35.0 |
| Chromium (Cr) | 19.0–23.0 |
| Iron (Fe) | Balance |
| Aluminum (Al) | 0.15–0.60 |
| Titanium (Ti) | 0.15–0.60 |
| Carbon (C) | ≤0.10 |
| Manganese (Mn) | ≤1.50 |
| Silicon (Si) | ≤1.00 |
| Sulfur (S) | ≤0.015 |
| Copper (Cu) | ≤0.75 |
2. Key Features of Incoloy 800
Excellent High-Temperature Strength
Maintains good mechanical properties at temperatures up to approximately 600°C (1100°F).
Outstanding Oxidation and Carburization Resistance
Withstands prolonged exposure to high-temperature air and combustion gases without significant degradation.
Good Structural Stability
Remains stable during long-term service at high temperatures, resisting grain growth or phase changes.
High Resistance to Chloride Stress Corrosion Cracking
Ideal for use in chloride-rich or corrosive gas environments.
3. Applications of Incoloy 800
Petrochemical Industry: Hydrocracking units, heat exchangers, furnace components
Power Generation: Superheater and reheater tubing
Nuclear Sector: Reactor parts, control rod mechanisms
Heat Treatment Equipment: Furnace baskets, support structures
Chemical Processing: Piping and vessels in high-temperature corrosive atmospheres
4. SSM's INCOLOY 800 Product Offerings
SSM supplies a full range of Incoloy 800 series products, including:
Pipes and Fittings: Seamless pipes, elbows, tees, reducers, stub ends
Flanges: Various types of flanges conforming to ASTM B564
Fasteners: High-temperature bolts, nuts, washers
Plates and Bars: Hot-rolled and cold-rolled sheets, round bars, hex bars
Custom Machined Parts: Fabricated to drawings or customer specifications
For technical datasheets, samples, or a quotation on INCOLOY 800, 800H, or 800HT, please contact SSM. We support third-party inspection, fast delivery, and global export.





