UNS N08810 Incoloy Alloy 800 Bar Bright Surface With Excellent Corrosion Resistance
Incoloy 800 bar
1. Chemical composition
| Steel Grade | C | Fe | Ni | Cr | Al+Ti | Ti | Al |
| 800H | 0.05-0.10 | 39.5min | 30.0-35.0 | 19.0-23.0 | 0.3-1.2 | 0.15-0.6- | 0.15-0.60 |
| 800HT | 0.06-0.10 | 39.5min | 30.0-35.0 | 19.0-23.0 | 0.85-1.2 | 0.25-0.60 |
0.25-0.60 |
2. Density and Melting point
| Density | 8.14 g/cm³ |
| Temperature | 21-93°C |
| Melting point | 14.0um/m°C |
3. Mechanical Properties
| Finish Condition |
Tensile Strength (Ksi/Mpa) Min |
Yield Strength (Ksi/Mpa) Min |
Elongation (%) Min |
| Annealed | 65Ksi/448Mpa | 25Ksi/172Mpa | 30% |
Standard: ASTM B163-04 Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes
Steel Grade: UNS N08810 NS1101 Incoloy 800 1.4558.
Size Range:
OD: 6-219mm, Wall Thickness: 1.0-12.7mm
Incoloy 800/800H800HT Chemical composition
| Alloy | % | Ni | Cr | Fe | C | Mn | Si | Cu | S | Al | Ti |
| 800 | Min. | 30 | 19 | 0.15 | 0.15 | ||||||
| Max. | 35 | 23 | balance | 0.1 | 1.5 | 1 | 0.75 | 0.015 | 0.6 | 0.6 | |
| 800H | Min. | 30 | 19 | 0.05 | 0.15 | 0.15 | |||||
| Max. | 35 | 23 | balance | 0.1 | 1.5 | 1 | 0.75 | 0.015 | 0.6 | 0.6 | |
| 800HT | Min. | 30 | 19 | 0.06 | 0.15 | 0.15 | |||||
| Max. | 35 | 23 | balance | 0.1 | 1.5 | 1 | 0.75 | 0.015 | 0.6 | 0.6 | |
| AI+Ti: 0.85-1.20 | |||||||||||
Incoloy 800/800H 800HT Physical properties
| Density | 8.0 g/cm³ |
| Melting point | 1350-1400 °C |
Incoloy 800/800H/800HT Alloy minimum mechanical properties in the room temperature
| Alloy | Tensile strength | Yield strength | Elongation |
| Rm N/mm² | R P 0. 2N/mm² | A 5 % | |
| 800 | 500 | 210 | 35 |
| 800H | 450 | 180 | 35 |
800/800H/800HT Characteristic as below
1. Excellent corrosion resistance in the water media of the extremely high temperature of 500°C.
2. Good stress corrosion resistance
3. Good machining
Incoloy 800/800H/800HT Metallurgical structure
800H is face-centered cubic lattice structure. very low carbon centent and increased Ti:C rate
improve the stability of the structure, anti-allergy , and anti-intergranular corrosion. Low temperature annealing of 950°C ensure the fine grain structure.
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