Anand Seamless

High Frequency Welded Spiral Fin Tubes Solid

Welded-Spiral-Fin-Tubes
Our Product

Welded Spiral Fin Tubes

(Solid Type)

Anand Seamless Ltd. manufactures High Frequency Welded Spiral Fin Tubes, also referred to as Solid Type Welded Fin Tubes, using continuous helical welding technology. In this process, a continuous metal strip (usually carbon steel or stainless steel) is spirally wound and welded onto the base tube using high-frequency induction welding. This design ensures:
  • Strong metallurgical bonding
  • Excellent heat transfer performance
  • High resistance to vibration and mechanical stresses
We offer solid fins in both carbon and stainless steel, with customizable fin density, height, and thickness. Their robust construction allows efficient cleaning and ensures long-term performance in dusty or aggressive operating conditions.

Technical Specifications

Sr. No.

Particulars

Range

1

Base Tube Material

Carbon Steel, Alloy Steel, Stainless Steel

2

Base Tube OD

31.75 mm to 225 mm

3

Base Tube Thickness

As per design requirement

4

Tube Length

Up to 18,000 mm

5

Fin Material

Carbon Steel, Stainless Steel

6

Fin Height

9.8 mm to 25 mm

7

Fin Thickness

0.8 mm to 1.5 mm

8

Fin Pitch (Density)

79 FPM (2 FPI) to 276 FPM (7 FPI)

9

Fin Type

Solid Spiral Fin

10

Bonding Method

High-Frequency Welded (100% Metallurgical)

11

Temperature Range

Up to 400°C

12

Cleaning Method

Suitable for mechanical or chemical cleaning

International Standards Applicable

  • ASTM A213 / A335 (Base Tube)
  • EN 10204 – 3.1 / 3.2 Certification
  • API 560 and related petrochemical thermal codes
  • Client-specific drawings/specs for thermal performance
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Frequently Asked Questions (FAQs)

What’s the key benefit of spiral welded fin tubes?

Spiral welded fin tubes have excellent thermal efficiency, high mechanical strength, and are ideal for dusty/flue gas environments.

Yes. They are generally used in applications up to 400°C, and material selection can push this higher.

Absolutely. We manufacture as per your thermal design or project specification.

Yes. For enhanced turbulence and heat transfer, serrated spiral fin tubes are available.