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DELLOK SCH 40 Studded Finned Tube For Oil Refineries

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Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.

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DELLOK SCH 40 Studded Finned Tube For Oil Refineries

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Brand Name :	Dellok Yonghui
Model Number :	Studded Tube
Certification :	ISO9001
Price :	$50 - 1000 /Piece/Pieces
Payment Terms :	T/T, D/A, L/C, D/P, Western Union, MoneyGram
Supply Ability :	1000 piece
Delivery Time :	1-3 weeks

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Company Profile

DELLOK SCH 40 Studded Finned Tube For Oil Refineries

^{DELLOK SCH 40 Studded Finned Tube For Oil Refineries}

^{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:}

^{The stud pipe or stud tube is used by refining and petrochemical
industries for many different applications - including fired
heaters and furnaces. It’s also used as an alternative to high
frequency welded finned tubes (HF finned tubes).}

^{Studs are attached to the pipe around the circumference in
completely opposing pairs by means of electrical resistance
welding. They are attached to ensure a high integrity bond for
strength and heat flow.}

^{A bonus of studded pipe is that it’s relatively easy to clean. It’s
ideal for applications where heavy fouling of the external surface
may occur, or for processes undertaken in harsh environments, where
dirty fuels are used. The surface can be efficiently shot blasted
(without damaging it).}

^{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}

^Application

^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, mas}s production needs 15-30 days, also depends on your request.}

DELLOK SCH 40 Studded Finned Tube For Oil Refineries

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