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DELLOK Studded Tube Nailhead Tube For Heat Transfer Boiler

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Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.

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DELLOK Studded Tube Nailhead Tube For Heat Transfer Boiler

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Brand Name :	Dellok Yonghui
Model Number :	Studded Tube
Certification :	ISO90001
Price :	$10 ≥1 Piece/Pieces
Payment Terms :	MoneyGram, Western Union, T/T, D/P, D/A, L/C
Supply Ability :	10000 Piece/Pieces per Month
Delivery Time :	1-3 weeks

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Company Profile

DELLOK Studded Tube Nailhead Tube For Heat Transfer Boiler

^{DELLOK Studded Tube Nailhead Tube For Heat Transfer Boiler}

^{About Us}

^{Dellok(YONGHUI Radiating Pipe Manufacturing Co.,Ltd) was
established in 2002, which is located in Nanjing, China.We joined
HARBIN AIR CONDITIONING CO., LTD. in 2022 and became the most
professional industry manufacturer in China. After many years of
development, the company now has 66 million yuan in fixed assets,
more than 200 employees, and 33 technical staffs. We have 4
aluminum processing production lines, with the annual processing
capacity of more than 20,000 tons; And we have 5 tube-drawing
production lines; 47 fintube production lines, 1 imported
production line from American with the brand of McElroy , with the
annual production capacity of 12 million meters the above.}

^{Quality is the theme of eternal pursuit of winner.}

^{Studded Tube Product Description:}

^{Studded
Tube are obtained by electric-resistance welding the studs on the
external surface of the tube. Such stud welding acting on the
entire cross-section of the studs make studded tubes the most
robust extended-surfaces tubes which is an important characteristic
to consider in particular if severe mechanical loads are expected
during service or cleaning.}

^{Studded tubes vary by pattern design, number of rows, space between
rows, number of studs in a raw etc. Studs can be find in a large
variety of sizes, shapes and materials.The are loaded into the
automated electric-welding machine and press welded as the tube is
moved longitudinally and circularly following the pattern required.
To provide special patterns or for highly customized applications
studs are set one by one using a manual electric-welding machine.}

^{Heat exchange efficiency increases dramatically when using studded
tubes or pies in comparison to bare surface pipes. Efficiency could
increase of 2-3 times and more.}

^{By using studded tubes/ studded pipes it is possible to reduce the
amount of bare pipes required for the same heat transfer volume,
thus resulting in a more economical solution and lighter weight.}

^{Studded Tube(Stainless
Steel Welded Tube) Manufacturing Process:}

^{The steel studs are automatically resistance welded to the tube,
producing high quality forge welds. The welding process enables the
combination of any grades for studs and tube: carbon, low alloy,
stainless steels and high nickel alloys.}

^{Studded Tube(Welded
Stainless Tube) Advantages:}

^{To increase the surface area of the tube and to protect tube
surface from direct exposure to heat /corrosive environment.}

^{Studding reduces 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.}

^{Use of studded tubes is ideal for processes/applications, where
dirty fuels are used in harsh environments.}

^{Studded Tube(Black
Welded Pipe) Properties:}

^{Manufacturing Process:- Electric Resistance Welding}

^{Fin To Tube Bond:- Excellent}

^{Heat Transfer Efficiency:- Excellent}

^{Mechanical Resistance:- Excellent (Hence can be frequently cleaned
with high pressure jets unlike other fin tubes. Thereby reducing
down time and increasing overall life)}

^{Corrosion Protection:- Gives excellent corrosion protection to the
base tube since it entirely covers the base tube (except bare
ends).}

^{Temperature Range:- Depending on Properties of material of Fin
(Stud) and Pipe}

^{Studded Tube(Weld
Galvanized Pipe) Applications:}

^{High density crude oil is passed through studded tubes which are
heated from outside. Liquefied product comes out from the other
end, which now can be used for further processing.}

^{At times, navy boilers also require studded tubes, with oval shaped
studs welded on them. These are used for heating water in water
tube boilers.}

^{Studded Tube(Fin Tube) Specifications:}

^{Product Specification}
^{Tube OD}	^{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 Thk}	^{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 Type}	^{Cylindrical, Elliptical, Lens type}
^{Stud to tube surface angle}	^{Vertical or Angular}
^{Material Combinations}
^{Stud Material}	^{C.S. (most common grade: Q235B)}
	^{S.S. (most common grade are AISI 304, 316, 409, 410, 321,347)}
	^A.S.
^{Tube Material}	^{C.S. (most common grade: 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)}
^{Type of Service}	^{High temperature}

Product Categories : Studded Tube

^FAQ

^{Q1: Are you trading company or manufacturer?}

^{A: We are manufacture factory and we can accept OEM order. Welcome
to visit our factory and check our products.}

^{Q2: Can I have a sample ?}

^{A: Yes, welcome to place sample order to test and check quality.
Mixed samples are also OK.}

^{Q3: What is your the lead time for production?}

A: Generally Sample needs 1-3 days, mass production needs 15-30 days, also depends on your request.

DELLOK Studded Tube Nailhead Tube For Heat Transfer Boiler

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