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Incoloy Alloy 800
Incoloy Alloy 800 is widely used in equipment that must have high strength and resistance to oxidation, carburisation and other harmful effects of high temperature exposure. For service requiring optimum creep and rupture properties, Incoloy 800H or 800 HT are used. The high contents of nickel and chromium in the alloys also give good corrosion resistance.
Mechanical Properties And Chemical Analysis
Element | Content (%) |
Iron, Fe | ≥39.5 |
Nickel, Ni | 30-35 |
Chromium, Cr | 19-23 |
Manganese, Mn | ≤1.5 |
Others | Remainder |
Properties | Metric | Imperial |
Tensile strength(annealed) | 600 MPa | 87 ksi |
Yield strength(annealed) | 275 MPa | 39.9 ksi |
Elongation at Break | 45% | 45% |
Chemical Composition of Incoloy 801 (UNS N08801) & 802 (UNS N08802)
Element | Incoloy 801, % | Incoloy 802, % |
Nickel | ≥32 | ≥32 |
Chromium | ≥20.5 | ≥21 |
Iron | Balance | Balance |
Carbon | ≤0.05 | ≤0.35 |
Aluminum | – | ≥0.60 |
Titanium | ≥1.10 | ≥0.70 |
Copper | ≥0.15 | – |
Physical Properties of Incoloy 801 (UNS N08801) & 802 (UNS N08802)
Density | Melting Range | Specific Heat | Elastic Modulus |
g/cm3 | °C | J/kg. k | Gpa |
8.0 | 1372-1400 | 485 | 200 |
Mechanical Properties of Incoloy 801 (UNS N08801) & 802 (UNS N08802)
Tensile Strength, min. | Yield Strength, min. | Elongation, min. | Reduction in Area, min. |
Mpa | Mpa | % | % |
1160 | 1035 | 15 | 53 |
Applications
Typical Applications
Chemical & petrochemical processing equipment
Power generation
Thermal processing fixtures
Industries predominantly using this Grade
Chemical processing
Oil and gas
Nuclear and power
