Studded Tube
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Studded Tube

Stud pipes are mainly used in tubular furnaces, convection heat exchangers, air preheaters, chemical equipment, and heat exchange equipment in the petrochemical and coal chemical industries. By increasing the heat exchange area of ​​the bare tube by 2 to 3 times, the heat transfer coefficient on the flue gas side can be improved, thereby increasing the overall thermal efficiency of the equipment. It is an energy-saving heat exchange element.
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Product Introduction

Stud tubes are tubing shaped like studs. They are characterized by simple manufacturing, convenient maintenance, and good heat dissipation. Currently, they are mainly used in industries such as petrochemicals, power generation, and refrigeration equipment. Their primary application is in tower-type equipment handling high-viscosity media, such as trays, tunnels, and bottom plates, where they are interchangeable with tray materials.

 

Stud tubes Specification

Base Tube O.D

Base Tube Thickness (mm)

Fin Height

Tube Length (Mtr)

(mm)

(mm)

38 mm ~219 mm

4.0 mm ~20 mm

6.0 mm ~ 38 mm

≤ 15Mtrs

Base Tube Material

Fin Material

 

Carbon Steel ,Alloy Steel ,Stainless Steel

Carbon Steel ,Alloy Steel ,

 

 

Finned Studded Tube Date: 

Tube O.D.:

25~273 (mm)

1"~10"(NPS)

Tube Wall Thk.:

3.5~28.6 (mm)

0.14"~1.1"

Tube Length:

≤25,000 (mm)

≤82 ft

Stud Dia.:

6~25.4 (mm)

0.23"~1"

Stud Height:

10~35 (mm)

0.4"~1.38"

Stud Pitch:

8~30 (mm)

0.3"~1.2"

Stud Shape:

Cylindrical, Elliptical, Lens type

Stud to tube surface angle:

Vertical or angular

Stud Material:

C.S. (most common grade is Q235B)

S.S. (most common grade are AISI 304, 316, 409, 410, 321,347 )

A.S.

Tube Material:

C.S. (most common grade is A106 Gr.B)

S.S. (most common grade are TP304, 316, 321, 347 )

A.S.(most common grade are T/P5,9,11,22,91 )

* This table is used as a general guide to our capabilities, please call us for any other customized cases.

 

Applications of Studed Steel Tubes

Studed tubes are mainly used in boilers and furnaces. It is mostly used in corrosive environments. In the petrochemical industry, denser crude oil passes through spiked tubes. Heat is generated from the outside of the tube. At the other end of the tube, we get the liquid product, which is subsequently sent for processing.

Studded tubes are also used in water tube boilers. They help to heat water. Studded tubes are oval in shape and are welded to the boiler.

The use of threaded pipes reduces the use of bare pipes as the heat transfer surface of one threaded pipe can replace the heat transfer surface of 4 to 10 bare pipes.

Threaded tubes can be used where harsh fuels are used that can cause damage to the environment. To prevent corrosion, the outer surface of the studded pipe can be coated or treated with a protective layer.

Studed tubes are also used in soda ash boilers and fluidised bed reactors as they minimise erosion.

They are also used in steel mills, air coolers, power plants, heat exchangers, etc.

 

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studded steel tubes for sale

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