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Yuhong Group Co.,Ltd Zhejiang Yuhongwell Steel Co.,Ltd Zhejiang Zhongwu Tube Manufacturing Co.,Ltd
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Chemical Industry Extruded Finned Tube With CS Stud Welding For Heat Exchanger

Chemical Industry Extruded Finned Tube With CS Stud Welding For Heat Exchanger

Brand Name : YUHONG
Model Number : stud fin tube
Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin : China
MOQ : 1 tons
Price : Negotiable
Payment Terms : L/C AT SIGHT, T/T
Supply Ability : 1000 TONS PER MONTH
Delivery Time : 5---15 Days
Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Grade : Gr. A, Gr. B , Gr. C 10# , 20% 16Mn ,20G, A1 P11, P22, P5, P9, P91
Application : Boiler , Superheater , Heat exchanger
Standard : A179 , A192 , A210 ,A335,A213
name : extruded finned tube
type : stud fin tube
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ASTM A213 / ASME SA213 T1 T11 T12 Alloy Steel Seamless tube for Boiler , Superheater , Heat exchanger application

Yuhong Group supply huge qty of Cr-Mo Alloy seamless pipe and tube , and export more than 35 countries . Our alloy seamless tube be width used in boiler and heating.

YUHONG controls the entire manufacturing process from raw material to finished products, Inspection points are localed in the manufacturing process to ensure all products meet all requirements. In such quality control system, faults are detected at the earliest possible stage of the production process in order to eliminate the risk of rejection at final inspection. We have made continuous efforts to reduce the problem throughout total quality assurance system including traceability control, YUHONG not only inspect by ourself , also through TPI like BV, SGS, DNV, ABS, MOODY, IBR, so that today the quality of our productsis clearly recognized by our client.

CarbonChromiunLow TemperatureStainless SteelDuplexCopper& BronzeTitaniumNi-Alloy
SA209-T1aSA213-T9SA334-Gr.1TP304TP321HA789-S32304 SB338-GR.12SB622NO4400
SA209-T1bSA213-T91SA334-Gr.3TP304LTP347A789-S31500  SB626NO6600
SA210-A1 SA334-Gr.6TP304HTP347HS31254  SB674NO6601
SA210-C SA334-Gr.7TP304NTP405254MA  SB677NO6625
SA214 SA334-Gr.8TP310HTP40917-4PH  SB704NO690
SA513 MT 1010  TP310STP41017-7PH  SB705NO8800
SA513 MT 1015  TP309STP43015-7PH  N1001NO8810
SA513 MT 1020  TP317TP439   N10665NO8811
   TP317LTP444   N10675NO8825
   TP348TP446   TP904L 

Tube Sizes for Heat Exchangers & Condensers & Boiler
Outside Diameter BWG
 Wall Thickness mm
mminch Weight kg/m
12.71/2 0.2140.2630.3560.4570.6120.754 
15.885/8 0.2710.3340.4550.5880.7960.995 
19.053/4 0.3270.4050.5530.7290.8951.236 
25.41 0.440.5460.750.9811.2341.5742.05
31.751 1/4 0.5540.6880.9471.2441.5742.0142.641
38.11 1/2 0.6670.8321.1441.5141.9042.4543.233
44.51 3/4   1.3421.7742.2442.8943.5
50.82   1.5492.0342.5743.3344.03
63.52 1/2   1.9492.5543.2444.2145.13
76.23   2.3453.0843.9145.0946.19
88.93 1/2   2.7293.6094.5845.9747.27
101.64    4.1345.2546.8548.35
114.34 1/2    4.6545.9247.7349.43

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

GradeChemical Composition%
CSiMnP, S MaxCrMoNi MaxVAl Max
T120.05~0.15Max 0.50.30~0.610.0250.80~1.250.44~0.65
T220.05~0.15Max 0.50.30~0.600.0251.90~2.600.87~1.13
T920.07~0.13Max 0.50.30~0.600.028.5~9.50.30~0.600.40.15~0.250.015
GradeChemical Composition%Mechanical Properties
WBNbNT. SY. PElongationHardness
T2≥ 415MPa≥ 205MPa≥ 30%163HBW(85HRB)
T11≥ 415MPa≥ 205MPa≥ 30%163HBW(85HRB)
T12≥ 415MPa≥ 220MPa≥ 30%163HBW(85HRB)
T22≥ 415MPa≥ 205MPa≥ 30%163HBW(85HRB)
T910.06~0.100.03~0.07≥ 585MPa≥ 415MPa≥ 20%250HBW(25HRB)
T921.50~2.000.001~0.0060.04~0.090.03~0.07≥ 620MPa≥ 440MPa≥ 20%250HBW(25HRB)

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

Outside DiameterOD ToleranceWT ToleranceOvality ToleranceCut 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
  • SA213 T11 Alloy Steel Tube use in Petrochemical Industry
  • SA213 T11 Alloy Steel Tube use in Chemical Industry
  • SA213 T11 Alloy Steel Tube use in Nuclear Power Plant Industry
  • SA213 T11 Alloy Steel Tube use in Oil and Gas Industry
  • SA213 T11 Alloy Steel Tube use in Research & Development
  • SA213 T11 Alloy Steel Tube use in Mega Projects & Defense & Development Industries
  • SA213 T11 Alloy Steel Tube use in Pulp & Paper Indusry

DIN 17175 TC1 SML Finned Heat Exchanger Tubes DN40 48.3mm Stud Welding


General H type Fin production capacityGeneral specifications of H type fin tubes
Production Facility: 6 finning machines;
Daily capacity up to 20 tons;
Tube OD: 73 mm max.
Tube Length: 18 meters max.
Fin Thickness: 1.5mm ~3.5mm
Fin Pitch: 10mm Min.

Manufacturing Process
Square or Rectangular H Fins are welded on a steel base tube. We call it H Fin Type Tubing.

Acceptance Criteria
Approved drawing and the delivery conditions (TDC) of clients.

Additional Services
Tube swaging, elbows, bends(90° / 180° or as per client's design).

Quality Tests
The Square or Rectangualr H Finned Tube quality is assured by hydrostatic or pneumatic tests, eddy current tests and tensile tests in order to verify the mechanical bonding between inner tubes and outer fins.

Surface Coating
Outside-Red oxide zinc phosphate primer and inside volatile corrosion inhibitor (VCI) in water soluble tablet form.

Delivery Condition: Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of Square or Rectangualr Fin Tube.


  1. Economizers ,
  2. Heat exchangers
  3. Marine boilers


ItemsGeneral MaterialsPopular ASTM /ASME Materials
Core Tube MaterialCarbon Steel
Alloy Steel
Heat Resistant Steel,
Stainless Steel
1. Carbon Steel: A106 / A179 /A192 / A210 etc...
2. Stainless Steel: TP304/304L,TP316/TP316L, TP347 etc...
3. Alloy Steel: P5,T5,P9,T9,T11,T22
Carbon Steel
Stainless Steel

1. Carbon Steel
2. Stainless Steel:
TP409/410,TP304/304L,TP316/TP316L etc...

Dimensions Data Sheet We're Supplying.

General Descriptions of H-finsPopular Specifications we make
Tube OD(mm)25mm to 73mm
Tube Wall thickness(mm)2.5mm Min.
Tube length(mm)18000mm Max.
Fin thickness(mm)1.5mm to 3.5mm
Fin pitch(mm)10mm Min.
Please email us for more information.

Competitive Advantage:

  1. We have more than 10,000 square meters workshop, including 6 H-FIN TYPE finning machines, daily extrusion capacity up to 20 tons.
  2. The Square of YUHONG Fins H-Finned Tubes are the preferred tube choice for high pressure boilers.
  3. Fins can be manufactured by stamping process in almost any shape and size.
  4. In-line fin and tube spacing allows for cleaning with excellent choice in sooting or fouling atmospheres.
  5. Fin height and spacing are limited only by heat transfer considerations.
  6. Fins and tubing can be similar or dissimilar metals.

Product Tags:

extruded finned tube


finned tube heat exchanger

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