Stainless Steel Seamless Tube TP304, 1.4301 Extruded Fin Tube For Air Cooler
Stainless Steel Seamless Tube TP304, 1.4301 Extruded Fin Tube For Air Cooler
Product Overview
The extruded fin tube is manufactured by mechanically extruding aluminium fins onto a TP304 (1.4301) stainless steel seamless tube. During the process, a thick aluminium sleeve is placed over the base tube and then extruded under high pressure to form integral fins. This method produces exceptional bonding strength, ensuring no air gap between fin and tube, and achieving maximum heat transfer efficiency.
Chemical Composition of TP304 / 1.4301 Stainless Steel (Base Tube)
| Element | C (max) | Mn (max) | P (max) | S (max) | Si (max) | Cr | Ni |
|---|---|---|---|---|---|---|---|
| Content (%) | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0–20.0 | 8.0–11.0 |
Advantages of Extruded Fin Tube
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Excellent fin-to-tube bonding → No gaps, ensuring outstanding thermal conductivity.
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High corrosion resistance → Stainless steel tube resists oxidation, scaling, and chemical attack.
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Durability → Withstands high pressure, vibration, and temperature fluctuations.
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Efficient performance → Aluminium fins provide superior heat transfer with lightweight design.
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Extended service life → Reduced fouling and maintenance in harsh operating environments.
Applications in Air Cooler
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Air-cooled heat exchangers in petrochemical and refinery plants
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Fin-fan coolers in power generation
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Condensers and gas coolers in chemical and fertilizer industries
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Offshore and marine coolers, where corrosion resistance is essential
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