ASTM B163 N08810 Seamless Nickel and Nickel Alloy Condenser and Heat Exchanger Tubes
ASTM B163 N08810 Seamless Nickel and Nickel Alloy Condenser and Heat Exchanger Tubes
YUHONG GROUP is a specialized manufacturer with 35 years of industrial experience and a global presence spanning 85 countries, dedicated to producing high-performance nickel alloy tubing for critical applications. Our ASTM B163 N08810 seamless tubes are engineered for demanding heat exchanger and condenser systems, offering exceptional high-temperature strength and corrosion resistance for the chemical processing, power generation, and petrochemical industries worldwide.
Chemical Composition of UNS N08810 (Alloy 800H)
| Element | Requirement (%) |
| Nickel (Ni) | 30.0 - 35.0 |
| Copper (Cu), max | 0.75 |
| Molybdenum (Mo) | - |
| Iron (Fe), min | 39.5 |
| Manganese (Mn), max | 1.5 |
| Carbon (C), max | 0.1 |
| Silicon (Si), max | 1 |
| Sulfur (S), max | 0.015 |
| Chromium (Cr) | 19.0 - 23.0 |
| Aluminum (Al) | 0.15 - 0.60 |
| Titanium (Ti) | 0.15 - 0.60 |
Specifications for Nickel-Iron-Chromium Alloy UNS N08810 (Alloy 800H)
| Parameter | Specification | Source / Notes |
| Alloy Common Name | Alloy 800H | High-carbon version for enhanced creep strength |
| UNS Designation | N08810 | |
| Condition (per TABLE 2) | Annealed | |
| Primary Application Temperature | Above 1100°F (593°C) | Distinguished from N08800 (up to 1100°F) |
| Purpose of Annealing | To develop a controlled grain size | For optimum creep and rupture properties in high-temperature service |
Mechanical Properties of Nickel-Iron-Chromium Alloy UNS N08810 (Alloy 800H)
| Property | Specification |
| Alloy Common Name | Alloy 800H |
| UNS Designation | N08810 |
| Condition | Annealed |
| Tensile Strength, min | 65 ksi (448 MPa) |
| Yield Strength (0.2% Offset), min | 25 ksi (172 MPa) |
| Elongation in 2 in. or 50 mm, min | 30% |
ASTM B163 N08810 Seamless Nickel Alloy Tubes - Key Application Advantages
1. Excellent High-Temperature Performance
The nickel-iron-chromium alloy composition (N08810) offers outstanding oxidation and carburization resistance, maintaining structural integrity at temperatures up to 1100°F (590°C), making it ideal for heat exchanger and furnace applications.
2. Superior Corrosion Resistance
Offers excellent resistance to various corrosive media, including oxidizing and reducing environments, making it suitable for chemical processing, power generation, and petrochemical industries.
3. Enhanced Mechanical Strength
The seamless manufacturing process ensures high tensile strength (≥520 MPa) and yield strength (≥205 MPa), providing reliable performance under high-pressure conditions in condenser and heat exchanger systems.
4. Long-Term Durability
Excellent resistance to thermal fatigue and creep deformation extends service life, reducing maintenance requirements and downtime in critical industrial equipment.
5. Wide Application Versatility
Suitable for various high-temperature components, including heat exchanger tubes, condenser tubes, and furnace parts, this solution offers flexible options for diverse industrial needs.
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