| Fin Thickness | Maximum 3 Mm, Minimum 0.8mm |
|---|---|
| Fin Height | Minimum 0.25″(6.35 Mm), 1.5″(38 Mm) |
| Fin Density : | Minimum 46 Fins Per Meter, Maximum 287 Fins Per Meter |
| Material | Carbon Steel, Stainless Steel, Alloy Steel, Inconel, High Nickle & Incolloy |
| Tubes Diameter | 30mm Od Minimum, 220mm Od Maximum |
Welded Fin Tube
Timex Metals is a prominent Welded Fin Tube Manufacturer, famous for providing high-quality, durable, and precision-engineered fin tubes for various industrial uses. Our welded fin tubes are made to increase the efficiency of heat transfer in the HVAC systems, power plants, and chemical processing units and guarantee a high standard of performance and reliability. All tubes have to be subjected to a stringent test system to ensure that they are strong, corrosion resistant, and of long serviceability with strict compliance to international standards of quality.
Welded Fin Tubes – Material, Grades & Technical / Weight Table
| Material | Grade | Fin Material | Tube OD (mm) | Wall Thickness (mm) | Fin Height (mm) | Fin Thickness (mm) | Fin Pitch (FPI) | Typical Weight (kg/m) |
|---|---|---|---|---|---|---|---|---|
| Carbon Steel | ASTM A179 | Carbon Steel | 25.4 | 2.11 | 12 | 1.0 | 7 | 3.20 |
| Carbon Steel | ASTM A192 | Carbon Steel | 31.75 | 2.77 | 15 | 1.2 | 6 | 4.80 |
| Carbon Steel | ASTM A106 Gr B | Carbon Steel | 38.10 | 3.05 | 18 | 1.2 | 5 | 6.40 |
| Stainless Steel | ASTM A213 TP304 | Stainless Steel | 25.4 | 2.11 | 12 | 1.0 | 7 | 3.60 |
| Stainless Steel | ASTM A213 TP316 | Stainless Steel | 31.75 | 2.77 | 15 | 1.2 | 6 | 5.20 |
| Alloy Steel | ASTM A213 T11 | Carbon Steel | 38.10 | 3.40 | 20 | 1.5 | 5 | 7.10 |
Welded fin tubes do not mechanically bond the two parts. Instead, they use a continuous resistance weld to permanently join the fin to the tube surface, thus ensuring excellent heat transfer efficiency and long-term durability under high thermal stress. Such a construction is generally selected for very harsh operating conditions where the risk of fin separation has to be completely eliminated and the performance has to be stable for a long service life. Accurate data on welded fin geometry, material grades, and installed weight within a B2B community can be very useful for engineers and procurement teams to make a heavy-duty solutions comparison, including deciding on the most reliable configuration for industrial thermal systems by picking the best performing option of whether it is the Double Fin Tubes or other enhanced designs.
Type of Sub-products

Helical Welded Fin Tubes Helical Welded Fin Tubes
Best for high temperature applications like boilers and economizers.

Longitudinal Welded Fin Tubes Longitudinal Welded Fin Tubes
Used in gas coolers, air preheaters, and waste heat recovery systems.

Serrated Welded Fin Tubes Serrated Welded Fin Tubes
Notched fins for improved heat dissipation and reduced fouling.
