Chemical Composition of Incoloy 800 Fasteners (%)
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 30.00 – 35.00 |
| Chromium (Cr) | 19.00 – 23.00 |
| Iron (Fe) | 39.50 min |
| Carbon (C) | 0.10 max |
| Manganese (Mn) | 1.50 max |
| Silicon (Si) | 1.00 max |
| Sulfur (S) | 0.015 max |
| Copper (Cu) | 0.75 max |
| Aluminum (Al) | 0.15 – 0.60 |
| Titanium (Ti) | 0.15 – 0.60 |
Mechanical Properties of Incoloy 800 Fasteners
| Property | Value |
|---|---|
| Tensile Strength | 500 – 750 MPa |
| Yield Strength (0.2% Offset) | 210 MPa min |
| Elongation | 30% min |
| Hardness | 70 – 90 HRB |
| Density | 7.94 g/cm³ |
| Melting Point | 1350 – 1400°C |
Equivalent Grades of Incoloy 800 Fasteners
| Standard | Equivalent Grade |
|---|---|
| UNS | N08800 |
| ASTM | B408, B564 |
| ASME | SB408, SB564 |
| DIN | 1.4876 |
| EN | X10NiCrAlTi32-20 |
| Werkstoff | 1.4876 |
| ISO | NiCr32FeTiAl |
Key Features of Incoloy 800 Fasteners
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Excellent resistance to oxidation and carburization
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High strength at elevated temperatures
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Excellent corrosion resistance
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Good resistance to stress corrosion cracking
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Suitable for temperatures up to 1100°C
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