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High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application

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High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application

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Brand Name :	Yuhong
Model Number :	U bend Fin tube , Solid Fin tube, HFW Fin Tube
Certification :	ABS, BV, DNV, CCS, LR
Price :	Negotiable
Payment Terms :	TT, LC
Supply Ability :	10000 tons/month
Delivery Time :	5---75 days

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High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application

High Frequency Welding Fin Tube , U bend Type (U bend Fin Tube),SA213 T9 and SS409, Evaporator Application

Yuhong Group's Welded Helical Solid Finned Tubes are manufactured with by helically wrapping fin strip on edge around the tube circumference and continuously welding the fin strip to the tube. The fin strip is held under tension and confined laterally as it is formed around the tube, thereby ensuring that the strip is in forceful contact with the tube surface. A continuous weld is applied at the point where the fin strip first begins to bend around the tube diameter using Yuhong Group's unique gas metal arc welding (GMAW) process. This weld process creates the strongest fin to tube attachment in the industry, excellent heat transfer characteristics, low fin-side pressure drop and little to no change in grain microstructure and physical characteristics even when 3%-9% chromium tubes are used.

U-bend fin tube is a type of heat exchanger tube that is bent into a U-shape to increase the surface area for heat transfer. The tube is typically lined with fins to further enhance its heat transfer capabilities. This design is commonly used in applications where efficient heat exchange is required, such as in HVAC systems, refrigeration units, and industrial process equipment.


Carbon	Chromiun	Low Temperature	Stainless Steel		Duplex	Copper& Bronze	Titanium	Ni-Alloy
SA178-A	SA213-T1	SA333-Gr.1	SA213	TP316L	A789-S31803	SB111-C70600	SB338-GR.1	SB163	NO2200
SA178-C	SA213-T11	SA333-Gr.3	SA249	TP316H	A789-S32205	SB111-C71500	SB338-GR.2	SB167	NO2201
SA179	SA213-T12	SA333-Gr.6	SA268	TP316Ti	A789-S32750	SB111-C71640	SB338-GR.5	SB444	NO8020
SA192	SA213-T22	SA333-Gr.7	SA269	TP316LN	A789-S32760	SB111-C68700	SB338-GR.7	SB514	NO6022
SA209-T1	SA213-T5	SA333-Gr.8	SA376	TP321	A789-S32707	SB111-C44300	SB338-GR.9	SB619	N10276
SA209-T1a	SA213-T9	SA334-Gr.1	TP304	TP321H	A789-S32304		SB338-GR.12	SB622	NO4400
SA209-T1b	SA213-T91	SA334-Gr.3	TP304L	TP347	A789-S31500			SB626	NO6600
SA210-A1		SA334-Gr.6	TP304H	TP347H	S31254			SB674	NO6601
SA210-C		SA334-Gr.7	TP304N	TP405	254MA			SB677	NO6625
SA214		SA334-Gr.8	TP310H	TP409	17-4PH			SB704	NO690
SA513 MT 1010			TP310S	TP410	17-7PH			SB705	NO8800
SA513 MT 1015			TP309S	TP430	15-7PH			N1001	NO8810
SA513 MT 1020			TP317	TP439				N10665	NO8811
			TP317L	TP444				N10675	NO8825
			TP348	TP446				TP904L
			TP347HFG

ASTM A213/ASME SA213 T2, T11, T12, T22, T91, T92 Chemical Composition and Mechanical Properties

Grade	Chemical Composition%
Grade	C	Si	Mn	P, S Max	Cr	Mo	Ni Max	V	Al Max
T2	0.10~0.20	0.10~0.30	0.30~0.61	0.025	0.50~0.81	0.44~0.65	–	–	–
T11	0.05~0.15	0.50~1.00	0.30~0.60	0.025	1.00~1.50	0.44~0.65	–	–	–
T12	0.05~0.15	Max 0.5	0.30~0.61	0.025	0.80~1.25	0.44~0.65	–	–	–
T22	0.05~0.15	Max 0.5	0.30~0.60	0.025	1.90~2.60	0.87~1.13	–	–	–
T91	0.07~0.14	0.20~0.50	0.30~0.60	0.02	8.0~9.5	0.85~1.05	0.4	0.18~0.25	0.015
T92	0.07~0.13	Max 0.5	0.30~0.60	0.02	8.5~9.5	0.30~0.60	0.4	0.15~0.25	0.015
Grade	Chemical Composition%				Mechanical Properties
Grade	W	B	Nb	N	T. S	Y. P	Elongation	Hardness
T2	–	–	–	–	≥ 415MPa	≥ 205MPa	≥ 30%	163HBW(85HRB)
T11	–	–	–	–	≥ 415MPa	≥ 205MPa	≥ 30%	163HBW(85HRB)
T12	–	–	–	–	≥ 415MPa	≥ 220MPa	≥ 30%	163HBW(85HRB)
T22	–	–	–	–	≥ 415MPa	≥ 205MPa	≥ 30%	163HBW(85HRB)
T91	–	–	0.06~0.10	0.03~0.07	≥ 585MPa	≥ 415MPa	≥ 20%	250HBW(25HRB)
T92	1.50~2.00	0.001~0.006	0.04~0.09	0.03~0.07	≥ 620MPa	≥ 440MPa	≥ 20%	250HBW(25HRB)

ASTM A213/ASME SA213 T2, T11, T12, T22, T91, T92 Tolerance:

Outside Diameter	OD Tolerance	WT Tolerance	Ovality Tolerance	Cut Length Tolerance
OD≤ 12, 7 mm	± 0, 13 mm	± 15 %	–	+ 3, 18 mm, – 0 mm
12, 7 mm < OD ≤ 38, 1 mm	± 0, 13 mm	± 10 %	max, 1, 65 mm	+ 3, 18 mm, – 0 mm
38, 1 mm < OD ≤ 88, 9 mm	± 0, 25 mm	± 10 %	max, 2, 41 mm	+ 4, 76 mm, – 0 mm

High Frequency Welding Solid Fin Tube Applications:

Boiler.
Furnace.
Fired Heater.
Radiator.
Refrigeration.
Power plant-Steam.
Superheater etc.
Evaporator.
HVAC systerms.

High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application

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YUHONG HOLDING GROUP CO., LTD

High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application

High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application

High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application

ASTM A213/ASME SA213 T2, T11, T12, T22, T91, T92 Tolerance:

U bend Welding Fin Tube

Welding Fin Tube High Frequency

SA213 T9 for Evaporator

High Frequency Welding Fin Tube , U Bend Type (U Bend Fin Tube),SA213 T9 And SS409, Evaporator Application