| Availability: | |
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| Quantity: | |
| Incoloy 800/800H/800HT (UNS N08800 / UNS N08810 / UNS N08811) | |||
| Chemical Composition % | Ni: 30-35 | Cr: 19-23 | Fe: Margin |
| Cu: ≤0.75 | Mn: ≤1.5 | Co: ≤2.0 | |
| Ti: 0.15-0.60 | Al: 0.15-0.60 | C: ≤0.1 | |
| Si: ≤1.0 | S: ≤0.015 | ||
| Melting Point ℃ | 1350-1400 | ||
| Density g/cm3 | 8 | ||
| Executive Standards | ASTM: B409 | AMS: 5871 | |
| Application Area | Nitric acid condenser, steam heating tube, heating element tube | ||
Designations: AWS 020
Alloy Details
| Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity |
| 7.94 g/cm³ | 1385 °C | 14.4 μm/m °C (20 – 100 °C) | 78.9 kN/mm² | 196.5 kN/mm² |
| 0.287 lb/in³ | 2525 °F | 7.9 x 10-6 in/in °F (70 – 212 °F) | 11444 ksi | 28500 ksi |
Heat treatment of finished parts
| Condition as supplied by AWI | Type | Temperature | Time | Cooling |
| Annealed or Spring Temper | Stress Relieve | 450 – 470 °C (840 – 880 °F) | 0.5 – 1 Hr | Air |
Properties
| Annealed | ||
| Approx. tensile strength | <800 N/mm² | <116 ksi |
| Approx. operating temperature depending on loading and environment | -200 to +815 °C | -330 to +1500 °C |
| Spring Temper | ||
| Approx. tensile strength | 800 – 1200 N/mm² | 116 – 159 ksi |
| Approx. operating temperature depending on loading and environment | -200 to +815 °C | -330 to +1500 °C |