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Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube

Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube

  • Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube
  • Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube
  • Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube
  • Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube
  • Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube
Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: SB163 MONEL 400
Payment & Shipping Terms:
Minimum Order Quantity: 10PC
Price: Negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: Depends on quantity
Payment Terms: T/T , L/C AT SIGHT
Supply Ability: 10000 pcs per month
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Detailed Product Description
Product Name: Embedded G-type Fin Tube Type: G Type
Tube Standard: ASME SB163 Tube Material: MONEL 400 (UNS N04400)
Tube OD: 20mm To 219mm OD Max. Fin Thickness: 0.8mm To 4mm
Tube Length: As Request Fin Material: Alumininum 1060
Fin Height: 0.25" (6.35mm) To 1.5"(38mm) Application: HEAT EXCHANGE, BOILER, Etc.
High Light:

Embedded Finn Tube


ASME SB163 Finn Tube


Finned Tube ASME SB163


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


G-Type Finned Tube Features:

  • 1. Compact design
  • 2. High-performance
  • 3. Easy installation
  • 4. Less space required
  • 5. Less cabling
  • 6. Optimized surface
  • 7. Finest technology used
  • 8. Average corrosion protection
  • 9. Less energy consumption
  • 10. Increased reliability
  • 11. Low maintenance
  • 12. High mechanical resistance

Processes of G-type Finned Tube

In G-type finned tubes, the fins are prepared by embedding the metal strip into a groove. The latter is formed on a base tube. Placing the fin on it, back-filling is done – resulting in strong attachment of the fins to the base tubes. Hence, the name G-Fin Tubes has come up. The three processes mentioned above are carried out simultaneously. Maximum heat transfer is expected out of the g-fin tubes as the fins are strongly attached to the base tube.

The G-type finned tubes usually work at high temperature (with around 400 degree Celsius) applications. Made of copper, carbon, or aluminium, these fins have comparatively less resistance towards atmospheric corrosion. On the other hand, mechanical resistance is acceptable. Stainless steel and carbon steel fin materials are also used, but particular processing and tooling of the steel fin strips are necessary. Air coolers, radiators, etc use the g-fin tubes.


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.


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 Tube

Monel belongs to a group of nickel alloys. It 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

Grade C Mn Si S Cu Fe Ni Cr
Monel 400 0.30 max 2.00 max 0.50 max 0.24max 28.0-34.0 2.50 max 63.00 min

Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Monel 400 8.8 g/cm3 1350 °C (2460 °F) Psi – 80,000 , MPa – 550 Psi – 35,000 , MPa – 240 40 %

Physical Properties

Properties Metric Imperial
Density 8.8 gm/cm3 0.318 lb/in3


Tube Pressure Rating


Tube O.D.

Wall Thickness of Tube (inches)
.028 .035 .049 .065 .083 .095 .109 .120
Working Pressure (psig)
1/8 7900 10100            
1/4 3700 4800 7000 9500        
5/16   3700 5400 7300        
3/8   3100 4400 6100        
1/2   2300 3200 4400        
3/4     2200 3000 4000 4600    
1       2200 2900 3400 3900 4300

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.


Industries where G-Type Finned Tubes are used

1. Rubber plants

2. Power plants

3. Petroleum industries

4. Chemical industries


Other Applications

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.


Embedded Finn Tube G Type ASME SB163 Monel 400 / N04400 Nickel Alloy Bare Tube 0

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Kelly Huang

Tel: 0086-18258796396

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