G Finned Tubes Grooved Base Tube With Embedded Fin Locking High Mechanical Strength Manufacturer In India
| Fin Thickness | Minimum 0.8mm, Maximum 3 Mm |
|---|---|
| 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 |
G Finned Tubes Groove Machining Embedded Fin Retention and High Temperature Operating Capability
Timex Metals, which specializes in providing efficient heat transfer solutions to challenging industrial conditions, is an effective G Finned Tubes Manufacturer that provides products that can be utilized to obtain optimum thermal operation and prolonged service duration. G finned tubes are also commonly employed in air coolers, heat exchangers, and condensers that require maximum heat disposal and stability of operations. These tubes are manufactured in a highly developed finning process and have a great mechanical bonding of the fin with the base tube hence their great heat transfer efficiency and vibration resistance. Helical Fin Tubes are also usually used to facilitate the thermal performance of industrial systems where continuous fin profiles and better airflow are required.
G finned tubes are designed to perform consistently at temperatures of either extreme and in the harsh working conditions with lower maintenance demands. Their strong building structure renders them to be applicable in power plants, petrochemical plants, and Hvac systems where stability and dependability are vital in a structure. To achieve special requirements of heat exchange, Double Fin Tubes are frequently employed in systems that have additional requirements of surface area and reinforced perforations of fin structures (to support higher thermal loads). These finned tube solutions have all been combined to aid the efficient transfer of energy, efficiency in operation, and a reliable service in a variety of industrial applications.
G Finned Tubes – Technical & Material Specification Table
| Material | Grade | Fin Attachment Type | Tube OD (mm) | Wall Thickness (mm) | Fin Height (mm) | Fin Pitch (FPI) | Operating Temp. Limit (°C) | Approx. Weight (kg/m) |
|---|---|---|---|---|---|---|---|---|
| Carbon Steel | ASTM A179 | Grooved Embedded (G-Type) | 25.4 | 2.11 | 10 | 10 | 400 | 2.60 |
| Carbon Steel | ASTM A192 | Grooved Embedded (G-Type) | 31.75 | 2.77 | 12 | 9 | 450 | 3.85 |
| Carbon Steel | ASTM A106 Gr B | Grooved Embedded (G-Type) | 38.10 | 3.05 | 14 | 8 | 450 | 5.20 |
| Stainless Steel | ASTM A213 TP304 | Grooved Embedded (G-Type) | 25.4 | 2.11 | 10 | 10 | 500 | 2.95 |
| Stainless Steel | ASTM A213 TP316 | Grooved Embedded (G-Type) | 31.75 | 2.77 | 12 | 9 | 500 | 4.30 |
| Alloy Steel | ASTM A213 T11 | Grooved Embedded (G-Type) | 38.10 | 3.40 | 15 | 8 | 520 | 5.90 |
G Finned Tubes – Standard Size & Weight Chart
G Finned Tubes are engineered for high-temperature and high-efficiency heat transfer applications, where strong fin-to-tube bonding and long-term operational stability are essential. The fins are mechanically embedded into a machined groove on the base tube, ensuring excellent thermal contact and resistance to fin loosening under thermal cycling.
Tube Size (OD) | Nominal Bore (NB) | Fin Type | Approx. Weight per Meter (Kg) | Approx. Weight per 6 Mtr (Kg) | Total Weight – 100 Tubes (6 Mtr) (Kg) |
|---|---|---|---|---|---|
19.05 mm | ½" NB | G-Fin | 3.4 | 20.4 | 2,040 |
25.40 mm | ¾" NB | G-Fin | 4.9 | 29.4 | 2,940 |
31.75 mm | 1" NB | G-Fin | 6.3 | 37.8 | 3,780 |
38.10 mm | 1¼" NB | G-Fin | 9.0 | 54.0 | 5,400 |
50.80 mm | 2" NB | G-Fin | 12.8 | 76.8 | 7,680 |
63.50 mm | 2½" NB | G-Fin | 17.8 | 106.8 | 10,680 |
76.20 mm | 3" NB | G-Fin | 23.2 | 139.2 | 13,920 |
88.90 mm | 3½" NB | G-Fin | 29.0 | 174.0 | 17,400 |
Our G Finned Tubes are manufactured under strict quality control systems and undergo thorough inspection to ensure dimensional accuracy, secure fin embedding, and consistent thermal performance. The grooved fin design provides superior resistance to fin separation, making G finned tubes ideal for applications involving high temperatures, vibration, and continuous operation.
Each tube is carefully produced to withstand demanding service conditions while minimizing maintenance requirements and ensuring uninterrupted heat transfer performance. Integrating G finned tubes into heat exchanger systems improves thermal efficiency, extends service life, and enhances overall operational safety, making them a preferred choice for critical industrial heat transfer applications.
- Application/ Operating Environment: G-Finned Tubes are designed to be used in high-temperature heat transfer e.g. air coolers, furnaces, and process heat exchangers when high fin-tube bonding is required. Their application is normally in refineries, power stations, petrochemical facilities, and thermal systems that use a high surface temperature.
- Technique of Manufacturing & Strength of Bond: Such tubes are constructed by cutting a helical groove in the base tube and a strip of aluminium finish is glued in. The groove-locking mechanism generates outstanding mechanical bonding, which guarantees the robust performance of the heat transfer and fin loosening does not take place in spite of severe thermal cycling and vibration.
- Material Grades and Configuration: Base tubes can be provided in the grades of Carbon Steel or Stainless Steel and Alloy Steel or Copper as per ASTM and ASME standards, and the fins are mostly aluminium. The selection of the combination of materials depends on the temperature limits, pressure conditions and exposure to corrosion.
- Other Performance Benefits: The G-Finned Tubes have increased capacity to operate under higher temperature when compared with L-Footed fin tubes and have long life under industrial severe conditions. Their sturdy structure facilitates a steady thermal performance, less of them in terms of maintenance and constant operation in continuously operating heat exchangers.
G Finned Tubes – Client Supply Project Overview
This project involved the supply of high-performance G Finned Tubes for critical heat transfer applications across multiple industrial locations in India. The G finned tubes were manufactured using precision grooving and mechanical fin embedding techniques to ensure strong fin-to-tube bonding, accurate fin geometry, and consistent thermal performance. All supplied G finned tubes complied with relevant ASTM, ASME, ANSI, and ISO standards, ensuring high-temperature resistance, mechanical stability, and full material traceability.
Each batch of G finned tubes underwent stringent quality checks, including dimensional inspection, fin embedding integrity verification, base tube material testing, and visual examination, to meet the client’s technical and application-specific requirements. The project was executed within the agreed delivery schedule and supported the client’s need for dependable, low-maintenance heat transfer solutions capable of performing under high temperatures, thermal cycling, vibration, and continuous operating conditions.
This project involved the supply of high-performance G Finned Tubes for critical heat transfer applications across multiple industrial locations in India. The G finned tubes were manufactured using precision grooving and mechanical fin embedding techniques to ensure strong fin-to-tube bonding, accurate fin geometry, and consistent thermal performance. All supplied G finned tubes complied with relevant ASTM, ASME, ANSI, and ISO standards, ensuring high-temperature resistance, mechanical stability, and full material traceability.
Each batch of G finned tubes underwent stringent quality checks, including dimensional inspection, fin embedding integrity verification, base tube material testing, and visual examination, to meet the client’s technical and application-specific requirements. The project was executed within the agreed delivery schedule and supported the client’s need for dependable, low-maintenance heat transfer solutions capable of performing under high temperatures, thermal cycling, vibration, and continuous operating conditions.
G Finned Tubes – Project Supply Details
Product Supplied
Quantity
Cities (India)
G Finned Tubes for Heat Exchangers 1,100 Tubes Mumbai High-Temperature G Finned Tubes for Air Coolers 900 Tubes Ahmedabad G Finned Tubes for Petrochemical Units 1,000 Tubes Pune Heavy-Duty G Finned Tubes for Power Plants 1,250 Tubes Chennai
Product Supplied | Quantity | Cities (India) |
|---|---|---|
| G Finned Tubes for Heat Exchangers | 1,100 Tubes | Mumbai |
| High-Temperature G Finned Tubes for Air Coolers | 900 Tubes | Ahmedabad |
| G Finned Tubes for Petrochemical Units | 1,000 Tubes | Pune |
| Heavy-Duty G Finned Tubes for Power Plants | 1,250 Tubes | Chennai |
G finned tubes feature a groove that is machined in the base tube, into which the fin strip is mechanically locked, thus a strong and reliable bond is created without the need for welding. The retention of the fin in this type of construction is better than that of wrapped fins and the heat transfer performance remains at a consistent level even when higher operating temperatures and thermal cycling are applied. Quite often in the design of thermal systems, engineers consider G-type finned tubes as well as Integrally Finned Tubes to decide on the strength of the bonding of the fin, the maintenance requirement, and the durability in the long run. From a B2B branding standpoint, it is beneficial for the users to have clear data on the fin attachment method, temperature capability, and weight per meter. This way, they can quickly grasp the product value, establish technical trust, and make selection decisions that are in line with real operating conditions and not just based on generic descriptions.
Type of Sub-products
Straight G Finned Tubes Straight G Finned Tubes
Fins run parallel to the tube for uniform heat transfer.
Serrated G Finned Tubes Serrated G Finned Tubes
Fins are cut into sections to enhance heat dissipation and reduce fouling.
Perforated G Finned Tubes Perforated G Finned Tubes
Small holes in the fins improve air circulation and heat transfer.