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Alloy 800 - The 800 series of alloy (Incoloy 800, 800H and 800HT) are nickel-iron-chromium superalloys that have excellent properties of high temperature strength and resistance to oxidation, carburization and other types of high temperature corrosion.
| Weight % | Ni | Cr | Fe | C | Al | Ti | Al+Ti |
| Alloy 800 | 30-35 | 19-23 | ≥39.5 | ≤0.10 | 0.15-0.60 | 0.15-0.60 | 0.30-1.20 |
| Alloy 800H | 30-35 | 19-23 | 39.5 | 0.05-0.10 | 0.15-0.60 | 0.15-0.60 | 0.30-1.20 |
| Alloy 800HT | 30-35 | 19-23 | 39.5 | 0.06-0.10 | 0.25-0.60 | 0.25-0.60 | 0.85-1.20 |
| Material | Temp | Hardnes BHN |
Tensile Strength MPa | Yield Strength (0.2% Offset) | |||
| °F | °C | ksi | MPa | ksi | MPa | ||
| Alloy 800H and Alloy 800HT | 80 | 27 | 126 | 77.8 | 536 | 21.7 | 150 |
| Alloy 800H and Alloy 800HT | 800 | 425 | 67.5 | 465 | 18.8 | 130 | |
| Alloy 800H and Alloy 800HT | 1000 | 540 | 90 | 62.7 | 432 | 13 | 90 |
| Alloy 800H and Alloy 800HT | 1200 | 650 | 84 | 54.8 | 378 | 13.5 | 93 |
| Alloy 800H and Alloy 800HT | 1300 | 705 | 82 | 47.7 | 329 | 15.8 | 109 |
| Alloy 800H and Alloy 800HT | 1400 | 760 | 74 | 34.2 | 236 | 13.1 | 90 |
| Pipe | ASTM B 407/B 829, ASME SB 407/SB 829 (Seamless Pipe), BS 3074NA15 (Seamless Pipe), DIN 17459 |
| Tube | ASTM B 163, ASME SB 163 (Seamless Condenser & Heat Exchanger Tubes), ASTM B 407/B 829, ASME SB 407/SB 829 (Seamless Tube), ASTM B 515/B 751, ASME SB 515/SB 751 (Welded Tubes), BS 3074NA15 (Seamless Tubes), ISO 6207, DIN 17459 |
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