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G type finned tubes for heat exchanger

Brand Name: Lifeng
Model Number: Required
Certification: ISO 9001:2008,PED
Place of Origin: Jiangsu, China
MOQ: 100KG
Price: USD 2-25 KG
Payment Terms: L/C, T/T
Supply Ability: 100 tons per month
Delivery Time: 30~60days
Packaging Details: Wooden case with steel frame
Application: Heat Exchanger,Air Cooler,Condenser,Evaporator,Fluid Cooling,etc.
Base Tube Material: stainless steel,carbon steel,copper,alloy steel,etc.
Fin Material: aluminium,copper Alloy,stainless steel,carbon steel
Inside Surface Condition: Grooved/Corrugated
Heat Transfer Efficiency: High
Product Processing: Extruded,Embedded,Combined,High Frequency Welding, etc.
MOQ: 100KG
Package: Wooden case with steel frame
Payment: T/T;L/C
Design Temperature: Below 450℃
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    • Product Details
    • Company Profile

    G type finned tubes for heat exchanger

    Product Description

    Economy and Energy Saving
    The high-fin tube is used to advantage when gases are to be heated or cooled or when a process stream is to be air-cooled. High-fin tubes come in a wide variety of fin heights, thickness, and spacings, giving values of Ao/Ai up to 25. For corrosion protection, a mechanically bonded liner tube may be used inside the finned tube. The liner can be made of corrosion-resistant alloy, while the outer tube and fins are made of a high conductivity metal such as copper or aluminum to improve heat transfer.
    One major application of high-finned tubes is in air-cooled heat exchangers. Atmospheric air, like all low pressure gases, gives a very low heat transfer coefficient at normal velocities. By contrast, the tube-side fluid, usually a liquid to be sensibly cooled or a vapor to be condensed may have a coefficient up to 100 times higher, or even more. Therefore, high-finned tubes are used in these exchangers to reduce to overall size of exchanger required.

    Finned Tube
    A179, ASTM B111
    Base Tube Material
    stainless steel, carbon steel, copper alloy,alloy steel (No theoretical limit)
    Fin Material
    Aluminium,Copper Alloy,Stainless Steel,Carbon Steel
    Fin Tube Type
    1.Extruded Fin Tube
    2.Serrated Fin Tube
    3.L Fin Tube
    4.LL Fin Tube
    5.KL Fin Tube
    6.H Fin Tube
    7.HH Fin Tube

    8.G Embedded Fin Tube

    9.Low Fin Tube

    10.High Frequency Electric Resistance Welded Spiral Fin Tube

    11.Longitudinal Fin Tube

    12.Studded Tube

    13.Embbedded Fin Tube

    Base Tube O.D
    Finned Depth
    Fins per inch
    As customer's request

    No fin area on both side

    As Customer's request
    Design Temperature
    Below 450°C
    Product processing
    Extruded,Embedded,High Frequency Welding etc.
    PE/Plain Ends, BE/Beveled Ends
    Test Requirement
    Physical Property Test,Chemical Composition Analysis,Non-Destructive Test,
    other inspection and test as customer's requirement.
    Air Cooler,Charge Air Chiller, Condenser,Evaporator, Fluid Cooler, Gas
    Cooler,Oil Cooler, Radiator, Refrigeration, Steam to Air Heat Exchanger,
    Superheater etc.
    Wooden case with steel frame
    Product Origin
    Jiangsu, China(mainland).
    Payment Terms
    T/T, L/C

    Nearest Port

    Product Pictures
    Production Equipment
    Test Equipments
    Packing & Delivery
    Company and Service

    Suzhou Titan Metal Material Co., Ltd. Is a subsidiary company of Lifeng Industry Group.
    Lifeng Industry Group Co., Limited is a high-technology, engineering group in materials technology, forming, machining and welding.
    Lifeng Material Technology are divided into three areas:
    Big Diameter Titanium Seamless Pipe-the market leader in China, size range from 88.9 to 219.1mm(3 to 8 inch.) outside diameter. More than 70% seamless pipes(OD from 133 to 219.1mm) in China are produced in our plant.
    Stainless Steel & Nickel Alloy Tube & Pipe-the leading producer in China, size range from 6 to 609.6mm(1/4 to 24 inch.) out side diameter. Materials includes stainless steel, duplex steel and nickel alloys.
    Finned Tube-the leading producer in China, our main products include Extruded, L, LL, KL, G(Embedded) and High Frequency Welded Finned Tubes etc.
    Lifeng Material Forming-U bending tube and coil tube/pipe are our main products supplied to customers in different fabrication areas.
    Lifeng Material Machining-With advanced machining and drilling facilities, has enabled us to be the leading manufacturer of pressure vessel and boiler parts like tubesheet, baffle, ring and flanges in China.
    Lifeng Material Welding-We can weld shell, tube bundles, heat exchangers etc. Our welding methods inclide submerged arc automatic welding, gas shielded semi-automatic welding, argon arc welding and shielded metal arc welding. The weldable materials are carbon steel, alloy steel, stainless steel and the non-ferrous metals such as copper, aluminum, nickel alloy and titanium.

    Lifeng focuses on continuous investments in research and development, coupled with highly effective rigorous ISO 9001:2008 quality management system, enable us to produce and supply the high quality above products to various industries-petrochemical industry, power station desulfurization, aerospace, ship, machinery and communication electronics etc.


    1) Q: Can you send the sample to us for free before we place order?
    A: Our products are mostly customized, that’s to say, we make the sample according to the 2D/ 3D drawings from you. It will take time and resources of our company, so we will charge you for the sample, once you confirm without questions, we will put it into mass production. And we will give you a discount on the basis of the quantity of your order.

    2) Q: Do you have titanium alloy in stock?
    A: Yes, but just the normal specification finned tube. Most of our products are customized.

    3) Q: Why does it take at least 4 weeks to finish the mold?

    A: After we get the 2D/ 3D drawings from you, our engineer will analyze the drawings, to see whether it’s feasible. Once there is any questions, we will feedback to you and give our suggestions if necessary. And after you confirm without questions, we will sent to our Mold Department for production.

    4) Q: How long will it take for the production?
    A: Once receipt the deposit from you, we will start the following process: Making the mold, Making wax models, Making the shell, Dewaxing, Roasting, Alloy casting, Getting the semi-finished product, polishing , detection and so on. After finish, they need time to check the products, if found any possible defect parts, they will return to the production until every part is 100% approved. Therefore, it will take about 25-35 days to finish the first batch. And it just need 20-30 days to finish the second, third, fourth…… batches.

    5) Q: What’s the payment term of your company?
    A: Before shipment by T/T or against copy of B/L.

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