arbon Steel Finned Tube Manufacturer in China Factory 20 Years
What is a Carbon Steel Finned Tube?
Carbon steel finned tubes are heat exchange components that enhance heat transfer by increasing surface area. They are widely used in high-temperature, high-pressure, and corrosive environments in the industrial sector. Their core material is a carbon steel base tube with thin-walled fins attached to the surface. High-frequency welding creates a seamless connection, significantly improving heat transfer efficiency.
Carbon steel finned tubes primarily consist of two components: the base tube and the fins. The base tube is typically made of high-quality carbon steel, which offers both high mechanical strength and excellent corrosion resistance, making it suitable for harsh operating environments.
The fins are tightly secured to the base tube using high-frequency welding, creating a specific fin spacing and height. High-frequency welding ensures a secure and reliable connection between the fins and the base tube, effectively improving the fin’s durability. Fin shape and size can be customized to meet specific application requirements. Common fin types include straight fins and spiral fins. Spiral fins are popular due to their larger heat transfer area.
Quality Control for Carbon Steel Finned Tube
The quality of the carbon steel finned tube is assured by hydrostatic or pneumatic testing, eddy current testing and tensile testing to verify the mechanical bond between the inner tube and the outer fins.
Delivery condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with Anti-rust at both ends of carbon steel finned tube.
Application fields of carbon steel finned tubes:
Carbon steel finned tubes are widely used in industrial heat exchange equipment, improving heat exchange efficiency by enhancing heat dissipation. The following are their main applications and functions:
Core Applications of Carbon Steel Finned Tubes in Industrial Production
Petrochemical Industry
Used in reactor jacketed heat exchangers, distillation tower reboilers, and other equipment, they control chemical reaction temperatures through efficient heat transfer and improve product yields.
Power Industry
As a key component in steam condensers and economizers, they reduce coal consumption and recover waste heat, improving power generation efficiency.
Metallurgical Industry
Used in blast furnace hot blast stove waste heat recovery systems, they transfer waste gas heat to cool air for efficient energy utilization.
HVAC Systems
In large spaces such as workshops and factory buildings, they address temperature stratification through optimized airflow design while also adapting to high-temperature and dusty environments.
Carbon Steel Finned Tube by Material
Fins are usually added to the surface of the ASTM A179 seamless heat exchange tube to increase the outer surface area of the heat exchange tube, so as to achieve the purpose of improving the heat exchange efficiency.
Complying with ASTM A192 standards for seamless carbon steel boiler tubes, these tubes feature a serrated spiral configuration with precise dimensions for fin pitch, height, and serration depth.
The ASTM SA 210 seamless helical finned tube uses sa210 seamless pipe as the base tube, and uses high-frequency welding current to spirally weld the steel strip to the heat exchange element on the base pipe.
ASTM A214 ERW carbon steel finned tube base tube adopts SA214 tube, which has been heat treated by normalizing or stress relieving to improve its mechanical properties or eliminate residual stress.
ASTM SA 179 Seamless Serrated Finned Tube Outside Diameter Measurement
Fin tube outer diameter detection is an important step to ensure dimensional accuracy. It is mainly measured using tools such as vernier calipers and micrometers.
The allowable deviation of the outer diameter of the finned tube base tube is ±0.1mm, and the wall thickness uniformity deviation must be controlled within ±0.2mm to ensure welding fit and structural stability.
Fin Inspection of Carbon Steel Finned Tube
The fins of carbon steel finned tubes are mainly tested for fin wall thickness, fin spacing and fin height.Parameters such as fin height, thickness, and spacing need to be measured to ensure they meet design standards.
Carbon Steel Finned Tube Pressure Test
Test the pipeline sealing by applying pressure, and determine the location of the finned tube leak by observing the pressure change.
Nondestructive Testing of Carbon Steel Finned Tube
Ultrasonic and radiographic testing techniques are used to evaluate internal defects and welding quality of finned tubes.
Carbon Steel Finned Tube Corrosion Testing
For special applications such as pharmaceutical manufacturing, the integrity of the finned tube corrosion layer needs to be tested, and electric spark testing is used to detect leaks.
Carbon Steel Finned Tube Making Machine
The high frequency spiral fin tube welding machine uses high-frequency current as a heat source, welding steel strips and steel tubes through a specialized process to form integrated heat exchange elements.
Carbon Steel Finned Tube Package
Payment Terms:T/T, LC
Delivery: 15-30 days after payment
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Iron frame packing boxes and the desiccants are put into each package for continental transportation as well. or as required
Carbon steel finned tube production line 8.
A: We can provide fin tube samples for free.
A: After you confirm fin tube sample details, the samples will be ready for delivery in 3-7days,and will be sent to you via express and arrive in 3-5days.
A: Fin tube can be customized, we can make the new thermoforming or extruding mode based on your drawings and we can sign a confidentiality agreement about your patented product, pls contact us for any further information.
A: Always a pre-production sample,before mass production;always final inspection before shipment.
Inspection & Guarantee Certificate is supplied with shipment, and the Third Party Inspection is available.
Related Product
Carbon Steel Fin Tubes for Heat Exchanger
Integral Fin Tubes in straight form are available in various metals like: copper, cupro-nickel (70:30, 90:10), admiralty brass, aluminum-brass, aluminum, carbon steel (sa-179), stainless steel (ss-304, 304l, 316, 316l, etc.).
Integral Fin Tubes in Straight Form are Manufactured out of :
9.525 mm, 12.7 mm, 15.875 mm, 19.05 mm, 22 mm, 31.75 mm, 38.1 mm od tubes.
Width :
11 fins per inch (fpi), 13 fpi,14 fpi, 15 fpi, 16 fpi, 19 fpi, 23 fpi, 28 fpi, 30 fpi & 40 fpi, having fin height ranging from 0.889 mm up to 4.00 mm.
Straight fin tubes can be manufactured up to a maximum length of 20 meters, with any number of intermediate landings (plain portion) for baffle supports, in addition to side landings
| Parameter | Specification | Notes |
|---|---|---|
| Application | Heat Exchangers, Air Conditioners, Refrigerators, Economizers, and other thermal industry components | Suitable for chemical, power, and HVAC industries |
| Base Pipe Material | Carbon Steel | Seamless or welded options available |
| Fin Material | Carbon Steel | Longitudinal fin type |
| Base Pipe OD | 15mm – 219mm | Custom sizes available |
| Base Pipe WT | 1.5mm – 6mm | Pressure rating adjustable |
| Fin Height | 8mm – 30mm | Enhances heat transfer efficiency |
| Fin Thickness | 0.8mm – 3.0mm | Balances strength and thermal conductivity |
| Fin Pitch | 2.3mm – 20mm | Optimized for fluid dynamics |
| Blank Area Length | Customized per customer request | For equipment interface matching |
| Max Finned Tube Length | ≤23m | Can be segmented for transport |
Datang offers a commendable rage of Carbon Steel Fin Tubes for the prestigious clients with competitive price.We are exceptional in providing best quality Carbon Steel Fin Tubes.
Some of our specialities for Carbon Steel Fin Tubes that make us a profitable business partner for our clients are:
ASTM A53 Grade B ASME SA53 Gr B API-5L Gr B ASTM A106 Gr B Seamless Welded Pipe A design solution to design problem
ASTM A53 Grade B ASME SA53 Gr B API-5L Gr B ASTM A106 Gr B Seamless Welded Pipe Superior quality products
ASTM A53 Grade B ASME SA53 Gr B API-5L Gr B ASTM A106 Gr B Seamless Welded Pipe Proven execution of small as well as large batch orders
ASTM A53 Grade B ASME SA53 Gr B API-5L Gr B ASTM A106 Gr B Seamless Welded Pipe Timely deliveries
ASTM A53 Grade B ASME SA53 Gr B API-5L Gr B ASTM A106 Gr B Seamless Welded Pipe Customer focused approach