Nickel Alloy ASTM B163 N08825 Incoloy 825 Extruded Fin Tube With Aluminum Fin

Material Overview – Incoloy 825

1. Incoloy 825 is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. It offers excellent resistance to:

• Corrosion (acidic environments, sulfuric & phosphoric acids)
• Oxidation & carburization at high temperatures
• Stress-corrosion cracking
• Pitting and crevice corrosion in chloride-containing media

2. Typical Composition:

Extruded Fin Tube Construction

• Base Tube: Made from Incoloy 825 for corrosion resistance.
• Fins: Integrally extruded from the base tube (no bonding issues), enhancing heat transfer efficiency.
• Fin Types: Low-fin or high-fin profiles, depending on application needs.
• Fin Density & Height: Customizable for optimal thermal performance.

Key Features & Benefits

• Superior Heat Transfer: Extruded fins maximize surface area for efficient heat exchange.
• Durability: Resists scaling and degradation in harsh chemical/thermal environments.
• Mechanical Strength: Maintains structural integrity under high pressure/temperature.
• Long Service Life: Reduces maintenance/replacement costs in aggressive conditions.

Incoloy 825 Extruded Fin Tube Application

• Commonly used in industries where corrosion resistance and heat transfer are critical:
• Chemical Processing: Heat exchangers, reactors, condensers.
• Oil & Gas: Offshore platforms, sour gas environments.
• Power Plants: Flue gas desulfurization (FGD) systems.
• Marine & Petrochemical: Seawater cooling, acid handling.

Why Choose Extruded Fin Tubes Over Other Types?

• No Bonding Issues: Fins are part of the base tube, eliminating galvanic corrosion risks.
• Better Thermal Conductivity: Seamless fin-to-tube contact improves heat transfer.
• Higher Temperature/Pressure Tolerance: Suitable for extreme conditions.