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Finned Tube ASTM A335 P11 Alloy Steel Studded tube For Heat Exchanger

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Finned Tube ASTM A335 P11 Alloy Steel Studded tube For Heat Exchanger

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Brand Name :	YUHONG
Model Number :	ASTM A335 P11 Alloy Steel Studded Tube
Certification :	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Payment Terms :	L/C,T/T
Delivery Time :	7 DAYS
Price :	NEGOTIABLE

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Finned Tube ASTM A335 P11 Alloy Steel Studded tube For Heat Exchanger

ASTM A335 P11 Alloy Steel Studded tube For Heat Exchanger

What is a Studded Tube?

Studded tubes are a type of metal tubes. These tubes have studs welded onto the metal tube. These studs are arranged in a specific formation throughout the length of the tube. They are often used in boilers and refineries. As they increase the surface area for higher heat transfer they are used for reheating.

Studded Tube

Product:	studded tubes, welded stud tubes,studded steel tubes,studded fin tubes
Application:	, generally in furnaces and boilers where the surface is exposed to a very corrosive environment and where very dirty gas streams require frequent or aggressive cleaning.
Size:	OD: 38 mm ~219 mm
	WT: 4.0 mm ~20 mm /Tube Length (Mtr) :≤ 15Mtrs
	Fin Height: 6.0 mm ~ 38 mm
Base Tube(fin) Material:	Carbon Steel
	Alloy Steel
	Stainless Steel

Studded tube size and material

Tube O.D.:	25~355.6 (mm)	1”~14”(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:	10~50.8 (mm)	0.4”~2”
Stud Pitch:	8~30 (mm)	0.3”~1.2”
Stud Shape:	Cylindrical, Elliptical, Round, Lens type
Stud to tube surface angle:	Vertical, angular, staggered rows
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.

ASTM A335 P11 TUBE CHEMICAL COMPOSITION

Grade	C, %	Mn, %	P, %	S, %	Si, %	Cr, %	Mo, %
ASTM A335 P11	0.015 max	0.30-0.60	0.025 max	0.025 max	0.50 max	4.00-6.00	0.45-0.65

ASTM A335 P11 TUBE MECHANICAL PROPERTIES

Tensile Strength, MPa	Yield Strength, MPa	Elongation, %
415 min	205 min	30 min

Application

The nail head tube group is especially suitable for compact waste heat boilers, oil-fired, gas-fired boilers and oil heaters. Under the same heat exchange, its weight and external dimensions are greatly reduced. The anti-fouling performance of the nail head tube group is greatly improved compared with other conventional enhanced heat transfer boiler tubes. In the case of low flue gas temperature, the nail head tube can still recover waste heat economically, and has broad application prospects in heat exchange and energy saving projects.

Finned Tube ASTM A335 P11 Alloy Steel Studded tube For Heat Exchanger

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