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Helical Finned Tube Continuously Welded Spiral Fin Tube For Heat Exchanger

Categories Heat Exchanger Steel Tube
Brand Name: TORICH
Model Number: Helical Finned Tube
Certification: ISO9001, ISO14001, TS16949
Place of Origin: ISO9001 ISO 14001 TS16949
MOQ: 1 Tons
Price: 800-1000 USD/Tons
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 Ton/Tons per Year
Delivery Time: 20-30days upon products
Packaging Details: In bundles or in wooden boxes.
Application: Heat Exchanger
Technique: TIG welded/ Plasma welded,ERW
Thickness: 0.6 - 50.0 mm
Standard: ASTM
Alloy or not: Is Alloy
Section shape: Round
Surface treatment: Galvanized
Secondary or not: Non-secondary
Outer diameter(round): 10.3 - 813 mm
Special pipe: boiler tubes
Type: Heat Exchanger Tube
Length: 6 meters or as customers request,5.8-12m
Condition: New
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Helical Finned Tube Continuously Welded Spiral Fin Tube For Heat Exchanger

Helical Finned Tube Continuously Welded Spiral Fin Tube For Heat Exchanger

Material

Helical finned tubes are specialized heat transfer elements composed of a base tube and continuous spiral fins welded helically along the tube’s outer surface. They are typically made from carbon steel, stainless steel, or alloy steel depending on the thermal and corrosion requirements. The fins are mechanically bonded or continuously welded to the base tube to ensure excellent heat conductivity and durability.

Specifications

  • Base Tube Material: Carbon steel, stainless steel, or alloy steel

  • Fin Material: Carbon steel, stainless steel, or aluminum

  • Outer Diameter: 19mm – 63.5mm

  • Fin Height: 6mm – 25mm

  • Fin Thickness: 0.8mm – 3.0mm

  • Fin Pitch: 2.5mm – 10mm

  • Tube Length: Up to 12 meters (customizable)

  • Welding Method: High-frequency resistance welding or continuous welding

Main Features

  • High mechanical strength and superior heat transfer efficiency

  • Excellent bonding between fin and base tube ensuring low contact resistance

  • Resistant to corrosion, oxidation, and thermal stress at high temperatures

  • Customizable fin pitch, height, and materials to suit specific heat exchanger applications

  • Long service life and reduced maintenance costs

Our Advantages

From a professional manufacturer’s perspective, we address the key technical concerns of industrial clients:

  • Straightness & Tolerance Control: Tubes are manufactured under strict straightness control (≤1mm/m) and diameter tolerance within ±0.3mm, ensuring perfect fit and easy assembly in heat exchanger systems.

  • Uniform Welding Quality: Continuous automatic welding guarantees consistent fin attachment and uniform heat transfer performance along the entire tube length.

  • Material Traceability & Quality Assurance: Every batch of material is traceable and complies with ASTM, EN, or GB standards. All welds are 100% visually and dimensionally inspected.

  • Thermal Performance Optimization: Precise control of fin geometry ensures optimal surface area ratio, maximizing heat exchange efficiency and reducing thermal resistance.

  • Customization & OEM Service: Tailored designs and alloy combinations to meet customers’ pressure, temperature, and corrosion resistance requirements.

Chemical Composition

GradeC (%)Si (%)Mn (%)P (%)S (%)Cr (%)Ni (%)Mo (%)
ASTM A1790.060.190.400.0250.015---
ASTM A213 TP3040.081.002.000.0450.03018.0–20.08.0–10.5-
ASTM A213 TP3160.081.002.000.0450.03016.0–18.010.0–14.02.0–3.0
DIN 17175 15Mo30.12–0.200.350.40–0.800.0250.020--0.25–0.35
EN 10216-2 13CrMo4-50.08–0.150.17–0.370.40–0.700.0250.0204.0–6.00.30–0.800.45–0.65

Mechanical Properties

GradeTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HB)
ASTM A1793251803572
ASTM A213 TP3045202054080
ASTM A213 TP3165152054080
DIN 17175 15Mo344023525143
EN 10216-2 13CrMo4-5440–590230–31022160

Standards

  • ASTM: A179, A192, A213, A210

  • EN: EN 10216-2, EN 10217-7

  • GB: GB/T 20420, GB/T 5310

  • JIS: JIS G3461, JIS G3462

  • GOST: GOST 550-75

Application Fields

Helical finned tubes are widely used in industries requiring high-efficiency heat exchange under demanding thermal conditions.

Main Industries:

  • Power generation

  • Petrochemical

  • Oil and gas refining

  • HVAC systems

  • Marine and offshore engineering

Specific Applications:

  • Economizers in boilers

  • Air preheaters and waste heat recovery units

  • Condensers and evaporators in heat exchangers

  • Gas coolers and heaters in refineries

  • Air-cooled heat exchangers for process industries




Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

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