Nickel Alloy Incoloy 800H UNS N08810
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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The Incoloy 800H nickel alloy has the same basic composition asIncoloy alloy 800 but with significantly higher creep and rupture strength. It boasts excellent aqueous corrosion resistance in high temperature (up to 500℃) aqueous media.
The Incoloy alloy 800H features great corrosion resistance to nitric acid and organic acid as well as oxidation and non-oxidation salt but weaker corrosion resistance to sulfuric acid, hydrochloric acid and halide. Furthermore, the corrosion resistant alloy shows high corrosion resistance when used in the combination of water and steam as well as the combination of air and carbon dioxide.
Chemical Composition Requirements
| The Chemical Composition of Incoloy 800, % | |
|---|---|
| Nickel | 30.0-35.0 |
| Cromium | 19.0-23.0 |
| Iron | ≥39.5 |
| Carbon | 0.05-0.10 |
| Aluminum | 0.15-0.60 |
| Titanium | 0.15-0.60 |
| Manganese | ≤1.50 |
| Sulfur | ≤0.015 |
| Silicon | ≤1.00 |
| Copper | ≤0.75 |
| Al+Ti | 0.30-1.20 |
Mechanical Properties of Incoloy 800H
ASTM B163 UNS N08810, Incoloy 800H seamless pipes, 1-1/4″ x 0.083″(W.T) x 16.6′(L).
| Tensile Strength, min. | Yield Strength, min. | Elongation, min. | Hardness, min. | ||
|---|---|---|---|---|---|
| Mpa | ksi | Mpa | ksi | % | HB |
| 600 | 87 | 295 | 43 | 44 | 138 |
Physical Properties of Incoloy 800H
| Density | Melting Range | Specific Heat | Electrical Resistivity | ||
|---|---|---|---|---|---|
| g/cm3 | °C | °F | J/kg. k | Btu/lb.°F | µΩ·m |
| 7.94 | 1357-1385 | 2475-2525 | 460 | 0.110 | 989 |
Characteristics of Incoloy Alloy 800H:
- Resistance to prolonged exposure to elevated temperatures
- Excellent resistance to oxidation, sulfidation, and carburization
- Added Carbon and annealing treatment allows for higher creep and rupture properties above 1100°F (600°C)
- Resistant to high temperature corrosion
- Readily machined by standard methods
- Best joined/welded using products for high temperature situations
- Resistance to aqueous corrosion at moderate temperatures
Application Of Alloy 800H:
- Industrial furnace components and equipment
- Petrochemical and chemical processing
- Equipment for Heat-Treating
- Pressure vessels and heat exchangers
- Hydrocarbon cracking
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