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ASME SB163 UNS N04400 MONEL 400 Finned Tube For Heat Exchanger

Categories Finned Tube
Brand Name: YUHONG
Model Number: SB163 MONEL 400
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin: CHINA
Payment Terms: L/C,T/T
Delivery Time: 7 DAYS
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Material: MONEL 400 (UNS N04400)
Standard: SB163
Tube Diameter: 20mm OD Min To 219mm OD Max
Tube Thickness: Minimum 2mm Up To 16mm
Company Info.
Yuhong Group Co.,Ltd
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    ASME SB163 UNS N04400 MONEL 400 Finned Tube For Heat Exchanger

    ASME SB163 UNS N04400 MONEL 400 Finned Tube For Heat Exchanger

    SB 163 N04400 Nickel based ASME SB 163 UNS N04400 pipe is known for its resistant to seawater and steam at high temperaturesas.

    Technical Details/Base Tube Details

    Tube Diameter : 20 mm OD Min to 219 mm OD Max.

    Tube Thickness : Minimum 2 mm up to 16mm

    Tube Material : Carbon Steel, Stainless Steel, Alloy Steel, Corten steel, duplex Steel, Super Duplex Steel, Inconel, High Chrome High Nickle & Incolloy, CK 20 material and some other material.

    Fin Details

    Fins Thickness : Min. 0.8 mm to Max. 4 mm

    Fins Height : Min 0.25” (6.35 mm) To Max.1.5” (38 mm)

    Fin Density : Min 43 Fins Per Meter To Max. 287 Fins Per Meter

    Material : Carbon Steel, Stainless Steel, Alloy Steel, Corten steel, Duplex Steel and Incolloy.

    For a rapid quotation, plz send with following requirement:

    Number of pieces,

    base tube: Diameter, thickness, length and material specification.

    Fins: material specification, type (solid or serrated), height, thickness, spacing, finned length and unfinned sections. Weld prep details if required.

    Delivery period required.

    About Monel 400

    Monel belongs to a group of nickel alloys. The Monel 400 Tube is produced with high concentrations of copper and chromium in their chemical composition. These tubes are designed to suffice in corrosion stress-induced environments. They don’t easily dissociate or deform under any temperatures. The SB 163 N04400 grade is designed with superior strength and excellent mechanical properties. They possess a minimum tensile strength of 550Mpa and a minimum yield strength of 240Mpa. The products from this grade can be easily elongated by 40%.

    Monel 400 is a nickel-copper alloy (about 67% Ni – 23% Cu) that is resistant to sea water and steam at high temperatures as well as to salt and caustic solutions. Alloy 400 is a solid solution alloy that can only be hardened by cold working. This nickel alloy exhibits characteristics like good corrosion resistance, good weldability and high strength. A low corrosion rate in rapidly flowing brackish or seawater combined with excellent resistance to stress-corrosion cracking in most freshwaters, and its resistance to a variety of corrosive conditions led to its wide use in marine applications and other non-oxidizing chloride solutions.

    Chemical Composition

    Monel 4000.30 max2.00 max0.50 max0.24max28.0-34.02.50 max63.00 min

    Mechanical Properties

    ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
    Monel 4008.8 g/cm31350 °C (2460 °F)Psi – 80,000 , MPa – 550Psi – 35,000 , MPa – 24040 %

    Physical Properties

    Density8.8 gm/cm30.318 lb/in3

    Pressure Rating

    Tube O.D.

    Wall Thickness of Tube (inches)
    Working Pressure (psig)

    Advantage of Fin Tube:

    Transferring heat from a hot fluid into a colder fluid through a tube wall is the reason many of us use finned tubes. But you may ask, what is the major advantage of using a finned tube? Why can’t you just use a regular tube to make this transfer? Well you can but the rate will be much slower.

    By not using a finned tube the outside surface area is not significantly greater than the inside surface area. Because of that, the fluid with the lowest heat transfer coefficient will dictate the overall heat transfer rate. When the heat transfer coefficient of the fluid inside the tube is several times larger than that of the fluid outside the tube the overall heat transfer rate can be greatly improved by increasing the outside surface area of the tube.

    Finned tubes increase outside the surface area. By having a finned tube in place, it increases the overall heat transfer rate. This then decreases the total number of tubes required for a given application which then also reduces overall equipment size and can in the long-run decrease the cost of the project. In many application cases, one finned tube replaces six or more bare tubes at less than 1/3 the cost and 1/4 the volume.

    For applications that involve the transfer of heat from a hot fluid to a colder fluid through a tube wall, fin tubes are used. Usually, for an air heat exchanger, where one of the fluids is air or some other gas, the air side heat transfer coefficient will be much lower, so additional heat transfer surface area or a fin tube exchanger is very useful. The overall pattern flow of a finned tube exchanger is often crossflow, however, it can also be parallel flow or counterflow.

    Fins are used to increase the effective surface area of heat exchanger tubing. Furthermore, finned tubes are used when the heat transfer coefficient on the outside of the tubes is appreciably lower than that on the inside. In other words, heat transferred from liquid to gas, vapor to gas, such as steam to air heat exchanger, and thermic fluid to air heat exchanger.


    1. Marine engineering.

    2. Chemical and hydrocarbon processing equipment.

    3. Gasoline and freshwater tanks.

    4. Crude petroleum stills.

    5. De-aerating heaters.

    6. Boiler feed water heaters and other heat exchangers.

    7. Valves, pumps, shafts, fittings, and fasteners.

    8. Industrial heat exchangers.

    9. Chlorinated solvents.

    10. Crude oil distillation towers.

    Quality ASME SB163 UNS N04400 MONEL 400 Finned Tube For Heat Exchanger for sale
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