Incoloy 800
Iron-nickel-chromium solid-solution alloy with good strength and resistance to oxidation and carburization.
Material overview
Incoloy 800 belongs to the Nickel-Based Alloys section of the catalog. Iron-nickel-chromium solid-solution alloy with good strength and resistance to oxidation and carburization. The technical review record highlights Good high-temperature strength, resists carburization, oxidation and sulfidation, and stable austenitic structure. Listed applications include Heat-treating equipment, petrochemical furnace tubes, pressure vessels, and household appliances. The dataset currently includes 14 property records covering chemical composition, mechanical properties, and physical properties. Standards and product forms associated with the grade include B409, B408, and GB/T 15007 and Plate, Bar / Rod, and Seamless Pipe / Tube. Final material properties and delivery conditions must be verified against the applicable specification and inspection documents.
Key characteristics
- Good high-temperature strength
- resists carburization, oxidation and sulfidation
- stable austenitic structure
Typical applications
- Heat-treating equipment
- petrochemical furnace tubes
- pressure vessels
- household appliances
Grade names and equivalents
Technical properties
Typical values are for reference only. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation are confirmed against the applicable specification and MTC/COA before order acceptance.
Chemical composition
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Ni | 30.0-35.0 | wt% | Typical value |
| Cr | 19.0-23.0 | wt% | Typical value |
| Fe | 39.5 min | wt% | Typical value |
| C | 0.10 max | wt% | Typical value |
| Mn | 1.5 max | wt% | Typical value |
| Si | 1.0 max | wt% | Typical value |
| Al | 0.15-0.6 | wt% | Typical value |
| Ti | 0.15-0.6 | wt% | Typical value |
| Cu | 0.75 max | wt% | Typical value |
Mechanical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Tensile strength | min 520 | MPa | Annealed |
| Yield strength 0.2% | min 205 | MPa | Annealed |
| Elongation | min 30 | % | Annealed |
Physical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Density | 7.94 | g/cm3 | Typical |
| Melting range | 1357-1385 | C | Typical |
Standards and specifications
Forms, applications, and capabilities
Product forms
Industries
- Petrochemical & Chemical
- Industry
- Industry
- Industry