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studded Pipe

Stud fin tube is made by electrical Resistance welding specially formed Studs in rows around the tube. The Studs can be supplied in a variety of Sizes and shapes. The pattern in which the studs are arranged on the tube can also be varied by changing the Number of studs per row around the tube, the spacing between the rows, and whether the studs in adjacent Rows are offset. It is also possible to apply studs to just one side of the Tube, or to apply several different Height studs in the same row. The Studs are hand loaded into the Electrodes and then automatically Welded.

Because of their relatively thicker Cross-section as compared to fins, Stud fin is one of the mechanically Strongest extended-surfaces Available. Although strength may Not be a consideration for heat Transfer performance, it may be Important when the application requires the extended surface to Carry the weight of the tube at Supports, or where severe Mechanical abuse is expected in Service or during cleaning.

These tubes are specially used in petroleum applications.
The studs are arranged in staggered rows (rings).
All tubes and studs material combination can be manufactured: Carbon, stainless, and alloy steels.

Studded tubes are the product of welding studs onto a tube using our Standard Frequency Electric Welding Studding equipment.

We can produce a large number of steel tube/stud combinations, including Carbon steel, Stainless steel and other steel alloys.

Stud/tubes combinations comprised of different Carbon steel must receive heat treatment. We accomplish this on site, with our PWHT furnace

The mainly applications for studded tubes is the process heat recovery of the petrochemical industry, in areas of convection ovens, vacuum generators for chemical processing.

Its high resistance to harsh environments, such as sections of Sulfuric Acid atmospheres, makes it very useful for the industries mentioned.

We are proud to state, that is the only Studded tubes supplier in the world that can supply up to 27mts studded length, ranging from 2 to 14 inches outside diameter, being unique in the industry to produce up to 14", both of be the only provider that supplies bolts from ½ inch to 2.5 inches tall studded, these being the most complicated combinations of the industry.

Why a studded pipe?

Increase efficiency in the process of heat recovery and direct flame hostile atmospheres.
Reduce the amount of bare pipes used in these processes. (Heat transfer surface of one studded pipe is equivalent to surface of 4 to 10 bare pipes). Studd Pipe’s ideal for processes applications where dirty fuels are used and harsh environments in terms of temperature and / or corrosion.

Stud Material

Carbon steel ASTM A510 grade 1005 to 1010.
Alloy steels normally used in steel studs.
ASTM A193 Grade: B6, B6X, B8, B8a, B8M, B8C, etc.
AISI 304, 316, 410, 347, 321

Studded fin tube is a standard frequency electric-resistance-welded studded type surface. It is normally manufactured with round carbon steed studs on carbon, alloy or stainless steel tubes with diameters from 1.5" to 12.75".

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