Name: High Frequency Welded Finned Tube ASTM A335 P22 For Industrial Economizers
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A335 P22 High Frequency Welded Finned Tube
Price: 75,000.00 USD
Availability: InStock

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High Frequency Welded Finned Tube ASTM A335 P22 For Industrial Economizers

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, CCS, ISO 9001-2008
Model Number:	ASTM A335 P22 High Frequency Welded Finned Tube

Payment & Shipping Terms:

Minimum Order Quantity:	1ton
Price:	1-150000 USD
Packaging Details:	Ply-wooden Case With Iron Frame
Delivery Time:	45-60 days, depend on quantity
Payment Terms:	T/T, L/C
Supply Ability:	1000 tons/month

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Detailed Product Description

Finned Tube Type:	High Frequency Welded Finned Tube	Finned Tube Standard:	ASTM A335 P22
Finned Tube Material Grade:	P22 With Fin Material 11-13 Cr	Finned Tube Applicable Environment:	High Temperature, Corrosion, Prone To Accumulate Dust, Etc.
Fin Tube Packing:	Ply-wooden Case With Iron Frame	Finned Tube Application:	Power Station Boilers, Heating Boilers, Industrial Boilers, Heat Pipe Air Preheaters, Waste Heat Boilers, And Waste Heat Recovery Systems Of Various Industrial Furnaces
Highlight:	Industrial Economizers Finned Tube , High Frequency Welded Finned Tube , ASTM A335 P22 Finned Tube

High Frequency Welded Finned Tube ASTM A335 P22 For Industrial Economizers

ASTM A335 Specification for seamless ferritic alloy steel pipe for high temperture service.

High-frequency welded spiral finned tubes are formed by welding the base tube and the rotating strip-shaped fins on the tube surface using the high-frequency welding process. The weldable materials include carbon steel, low-carbon steel and stainless steel.

The application scope of alloy steel HFW finned tubes covers power plants, oil refineries, waste incineration plants and heavy industries, making it the preferred choice for energy-saving heat recovery systems.

Chemical Composition max %

Grade	C	Mn	P	S	Si	Cr	Mo
P22/K21590	0.05-0.15	0.30-0.60	0.025	0.025	0.50	1.90-2.60	0.87-1.13

Mechanical Properties

Grade	Tensile Strength,min	Yield Strength (0.2%Offset,min)	Elongation
P22/K21590	66ksi,415MPa	30ksi,205MPa	30%

Applications

Alloy steel high-frequency welded finned tubes are widely used in industrial economizers to enhance the thermal recovery efficiency of boilers, furnaces and process heaters, reduce fuel consumption and improve overall thermal performance. Due to their sturdy structure, high-temperature resistance and anti-corrosion properties, economizers can be applied in harsh industrial environments.

Boiler Flue Gas Heat Recovery

HRSG (Heat Recovery Steam Generators) in Power Plants

Process Heaters & Furnace Economizers

Cement & Steel Plant Economizers

Waste Incineration Plants

Specifications For Various Types Of Finned Tubes That We Can Offer

Type	Description	Base tube	Fin specification (mm)
Type	Description	O.D. (mm)	Fin pitch	Fin height	Fin thick
Embedded	G-type fin tueb	16-63	2.1~5	<17	~0.4
Extruded	Single metal combined metal	8-51	1.6~10	<17	0.2-0.4
	Low fin tube t-type fin tube	10-38	0.6~2	<1.6	~0.3
	Bamboo tube corrugated tube	16-51	8.0~30	<2.5	/
Wound	l/kl/ll type fin tube	16-63	2.1~5	<17	~0.4
String	String fin tube	25-38	2.1-3.5	<20	0.2-0.5
U-type	U-type tube	16-38	/	/	/
Welding	HF-welding fin tube	16-219	3~25	5~30	0.8-3
	H/HH type fin tube	25-63	8~30	<200	1.5-3.5
	Studed fin tube	25-219	8~30	5~35	φ5-20