Incoloy 800/800H/800HT (UNS N08800/ N08810/ N08811) High-temperature alloy
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800 alloys own the following advantages
- Outstanding corrosion resistance, heat resistance, high strength
- It has good mechanical properties
- At elevated temperatures it offers resistance to oxidation
- Easy fabrication
800H alloys own the following advantages
- High creep rupture strength
- High temperature strength
- Easy fabrication
- Good resistance to sulfur-containing atmospheres
Product Form
| Products | ASTM Standard | ASME Standard | AME Standard |
| Sheet. Plate. Strip | B409 | SB409 | 5871 |
| Seamless Pipe | B163. B407 | SBI 63.SB407 | |
| Welded Pipe | B514 | ||
| Bar | SB408 | SB408 | |
| Forging Part | B564 | SB564 |
Chemical Analysis
| % | C | Mn | Si | Gr | S | Ni | Cu | Fe | Ai | Ti | |
| 800 | Min. | - | - | - | 19 | - | 30 | - | Balance | 0. 15 | 0. 15 |
| Max. | 0.10 | 1.5 | 1 | 23 | 0. 015 | 35 | 0.75 | Balance | 0.60 | 0.60 | |
| 800H | Min. | 0. 05 | - | - | 19 | - | 30 | - | Balance | 0. 15 | 0. 15 |
| Max. | 0.10 | 1.5 | 1 | 23 | 0. 015 | 35 | 0.75 | Balance | 0.60 | 0. 6 | |
| 800HT | Min. | 0. 06 | - | - | 19 | - | 30 | - | Balance | 0. 15 | 0. 15 |
| Max. | 0.10 | 1.5 | 1 | 23 | 0. 015 | 35 | 0.75 | Balance | 0.60 | 0.60 |
Physical Properties
| Density | 8.0G/CM3 |
| Melting Range | 1350-1400°C |
The Min. Mechanical Properties under Room Temperature
| Alloy | Tensile Strength | Yield Strength | Elongation |
| RM N/MM2 | RPO.2 N/MM2 | A5% | |
| 800 | 500 | 210 | < 35 |
| 800H | 450 | 180 | < 35 |
- Applications800
- Heat exchangers and process piping
- Furnace components
- Ammonia effluent coolers
- Chemical and petrochemical processing
- Pressure vessels
- Heat exchangers
- Industrial furnaces
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