321 Stainless Steel Fin Tube Manufacturers In India Supplying High Performance Titanium Stabilized Ss 321 Fin Tubes For Heat Transfer, High Temperature & Industrial Applications
| 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 |
| Tubes Diameter | 30mm Od Minimum, 220mm Od Maximum |
Reliable 321 Stainless Steel Fin Tube Manufacturers in India Delivering Precision-Finned Tubes for Excellent Thermal Efficiency, Oxidation Resistance & Critical Heat Exchange Systems
Timex Metals is a reputed 321 Stainless Steel Fin Tube Finish Manufacturer, with top-quality fin tubes that are used to enhance high heat transfer and longevity. These are high-quality fin tubes manufactured using high-grade 321 stainless steel, which is highly resistant to oxidation, corrosion, and high temperatures, hence suitable for high requirements in a demanding industrial service like boilers, heat exchangers, and condensers. The tubes are precision-engineered and thus meet worldwide standards, hence long-lasting performance and reliability in the critical operations.
Material | Grade | Fin Type | Tube OD (mm) | Wall Thickness (mm) | Fin Height (mm) | Fin Thickness (mm) | Fin Density (Fins/m) | Working Temp (°C) | Approx. Weight (kg/m) |
|---|---|---|---|---|---|---|---|---|---|
| Stainless Steel | 321 | Helical | 25.4 | 2.11 | 10 | 0.9 | 380 | up to 600 | 3.10 |
| Stainless Steel | 321 | G-Type | 31.75 | 2.77 | 12 | 1.0 | 340 | up to 600 | 4.35 |
| Stainless Steel | 321 | Welded | 38.10 | 3.05 | 14 | 1.1 | 300 | up to 650 | 5.90 |
| Stainless Steel | 321 | Embedded | 44.45 | 3.40 | 15 | 1.2 | 280 | up to 650 | 7.20 |
The stabilised alloy composition allows these fin tubes to operate reliably in high-temperature environments where thermal cycling and oxidation resistance are critical, while fin density and height directly influence heat transfer efficiency and pressure drop. The selection of tube diameter and wall thickness is typically based on operating pressure and support span requirements, and during system evaluation, this configuration is often reviewed alongside Carbon Steel A192 Fin Tube to balance temperature capability with economic considerations. On a B2B marketplace, clearly defined material, grade, and weight-per-meter data help engineers and procurement teams compare configurations accurately and ensure compatibility with structural loads and service conditions.
321 Stainless Steel Fin Tube – Standard Size & Weight Chart
Tube OD (mm) | Nominal Size (NB) | Wall Thickness (mm) | Fin Type | Approx. Weight per Meter (Kg) | Approx. Weight – 6 Meters (Kg) | Approx. Weight – 12 Meters (Kg) |
|---|---|---|---|---|---|---|
| 19.05 | ½" NB | 1.65 | L / Helical Fin | 3.2 | 19.2 | 38.4 |
| 25.40 | ¾" NB | 2.11 | L / Helical Fin | 4.8 | 28.8 | 57.6 |
| 31.75 | 1" NB | 2.11 | Helical / G-Fin | 6.2 | 37.2 | 74.4 |
| 38.10 | 1¼" NB | 2.77 | Helical / G-Fin | 8.9 | 53.4 | 106.8 |
| 50.80 | 2" NB | 2.77 | Helical / G-Fin | 12.6 | 75.6 | 151.2 |
| 63.50 | 2½" NB | 3.05 | G / Extruded Fin | 17.6 | 105.6 | 211.2 |
| 76.20 | 3" NB | 3.05 | G / Extruded Fin | 23.0 | 138.0 | 276.0 |
| 88.90 | 3½" NB | 3.40 | G / Extruded Fin | 28.8 | 172.8 | 345.6 |
| 101.60 | 4" NB | 3.76 | Extruded Fin | 35.9 | 215.4 | 430.8 |
321 Stainless Steel Fin Tubes are produced using advanced tube manufacturing and precision finning technologies to deliver reliable heat transfer performance, excellent dimensional stability, and long service life in demanding thermal environments. As a titanium-stabilized austenitic stainless steel, grade 321 is specifically designed to resist carbide precipitation during high-temperature exposure, making it highly suitable for continuous-duty heat exchange applications. Each fin tube is manufactured under strict process controls to ensure uniform tube geometry, secure fin attachment, smooth surface finish, and consistent thermal output required for critical industrial systems.
The stabilized alloy composition of SS 321 allows these fin tubes to perform efficiently under elevated temperatures, repeated thermal cycling, and fluctuating operating conditions without compromising structural integrity. By combining strong corrosion resistance with enhanced oxidation resistance, 321 Stainless Steel Fin Tubes help improve equipment reliability, reduce maintenance intervals, and extend overall system lifespan. Their consistent performance under stress makes them a preferred choice in applications where heat transfer efficiency and operational safety are essential.
- Commonly used in high-temperature and continuous-operation heat transfer applications where resistance to intergranular corrosion and thermal degradation is critical.
- Manufactured in compliance with ASTM, ASME, ANSI, ISO, and other international standards, ensuring consistent quality, traceability, and metallurgical stability.
- Available in SS 321 and 321H grades with multiple fin configurations to suit varying airflow and heat transfer requirements.
- Suitable for service conditions involving thermal cycling, vibration, pressure variations, and moderately corrosive process environments, ensuring dependable long-term operation.
- Widely applied across petrochemical plants, refineries, power generation units, boilers, air coolers, heat exchangers, exhaust systems, and industrial manufacturing sectors where durability, efficiency, and performance consistency are non-negotiable.
321 Stainless Steel Fin Tube – Client Supply Project Overview
This project involved the supply of high-performance 321 Stainless Steel Fin Tubes for demanding heat transfer and thermal management applications across multiple industrial locations in India. The fin tubes were manufactured using controlled tube forming and advanced finning processes to achieve precise dimensional tolerances, uniform fin geometry, and strong fin-to-tube bonding. The use of titanium-stabilized stainless steel grade 321 ensured excellent resistance to intergranular corrosion and reliable mechanical strength during prolonged exposure to elevated temperatures. All supplied fin tubes complied with relevant ASTM, ASME, ANSI, and ISO standards, ensuring consistent quality, oxidation resistance, and full material traceability.
Each batch of 321 Stainless Steel Fin Tubes underwent stringent quality assurance procedures, including dimensional verification, base tube material testing, fin attachment integrity checks, and visual inspection, to meet the client’s technical and application-specific requirements. The project was completed within the committed delivery schedule and supported the client’s need for durable, low-maintenance heat transfer solutions capable of performing under high temperatures, thermal cycling, vibration, and continuous operating conditions across multiple industrial installations.
321 Stainless Steel Fin Tube – Project Supply Details
Product Supplied | Quantity | Cities (India) |
|---|---|---|
| SS 321 Fin Tubes for Heat Exchanger Systems | 1,050 Tubes | Mumbai |
| SS 321 Fin Tubes for Air Cooler Applications | 920 Tubes | Hyderabad |
| Helical Fin Tubes in SS 321 / 321H | 1,000 Tubes | Pune |
| Extruded Fin Tubes (SS 321) for Process Plants | 1,280 Tubes | Chennai |
321 Stainless Steel Fin Tubes are widely selected for applications requiring stable thermal performance, resistance to carbide precipitation, and long service life at elevated temperatures. From a B2B engineering and procurement perspective, access to clear data on material grade, fin configuration, operating temperature limits, and weight per meter enables informed decision-making and ensures alignment with real-world operating conditions rather than generic specifications.
Type of Sub-products
Extruded Finned Tubes Extruded Finned Tubes
Fins are extruded onto the 321 SS tube for a seamless bond, improving heat dissipation in industrial applications.
Embedded Finned Tubes Embedded Finned Tubes
Fins are embedded into the tube surface, offering better mechanical strength and heat transfer capabilities, particularly for high temperature environments.