ASME SB163 N08825 Extruded Fin Tube Aluminum Fin for Chemical Petrochemical Industry

Overview

Corrosion failures in chemical and petrochemical heat exchange equipment cause unplanned shutdowns, costly repairs and serious safety risks. ASME SB163 N08825 extruded fin tube is engineered to solve exactly this problem. It combines an Incoloy 825 (UNS N08825) seamless base tube with aluminum fins extruded under high pressure, delivering a bimetallic finned tube that survives sulfuric acid, phosphoric acid, H2S and other highly corrosive media year after year. If your plant handles aggressive process fluids and demands reliable, long-life heat transfer, this finned tube is the answer you are looking for.

1. Applications in Chemical and Petrochemical Industry

Proven in the toughest chemical and petrochemical services, this finned tube is the first choice where corrosive media and elevated temperatures meet. See how it performs in your application area.

2. Material Advantages of N08825 (Incoloy 825)

UNS N08825 is a nickel-iron-chromium alloy stabilized with molybdenum, copper and titanium. The result is a material that stands up to both oxidizing and reducing environments, giving your heat exchange equipment a longer operating life and lower total cost of ownership.

3. Extruded Fin Manufacturing Process

Fins are cold-extruded from an aluminum sleeve onto the N08825 base tube under high pressure, forming a tight mechanical bond with zero air gap. The result is maximum heat transfer, fins that stay locked under thermal cycling, and a tube that handles vibration without loosening.

4. Heat Transfer Performance

Extruded fins enlarge the external heat transfer surface by 8-12 times per meter of tube, dramatically improving the efficiency of air coolers, heat exchangers and condensers. The fin profile promotes turbulent flow for stronger convective heat transfer, while the tight fin-to-tube bond keeps contact resistance negligible. You get more thermal duty from a smaller, lighter bundle.

5. Why Choose Us

• Full material traceability with material test certificates (MTC) for every batch of N08825 tubing
• Manufactured to ASME SB163 / ASTM B163 under ISO 9001:2015 quality system, ASME certification available
• 100% inspection options: eddy current, hydrostatic and air leakage testing on request
• Flexible customization of fin pitch, fin height, tube OD and length to match your exact duty
• Competitive factory pricing with reliable delivery, backed by responsive technical support
• Sample orders welcomed before bulk production to validate performance

6. Get a Quote for Your Project

Ready to upgrade your heat exchange equipment with corrosion-resistant N08825 extruded fin tubes? Send us your duty parameters - operating temperature, pressure, process media, tube size and fin requirements - and our engineers will recommend the optimal configuration with a quotation within 24 hours. Contact us today for a free consultation and competitive factory pricing.

Specifications

The standard configuration is shown below; other dimensions are available on request to match the design duty of your equipment.