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ASTM A376 TP347H Stainless Steel Solid HF Welding Fin Tube For Convection Coil Tube

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ASTM A376 TP347H Stainless Steel Solid HF Welding Fin Tube For Convection Coil Tube

Brand Name : Yuhong

Model Number : ASTM A376 TP347H

Certification : ABS, CCS, BV, LR, DNV

Place of Origin : China

MOQ : 100kgs

Price : Negotiable

Payment Terms : L/C,T/T

Delivery Time : 7 days

Packaging Details : ply-wooden case with iron case

Base Tube : 16mm-219mm

Fin Wall Thickness : 0.8-3mm

Fin Pitch : 1 inch

Fin Thk : 9.07mm

Tube Standard : ASTM A376

Dimensions : 88.9mm, 114.3mm, 168.3mm, etc.

Fins : TP347H

Corrosion Resistance : High

Pipe Length : Customsized

Welding Area : According to actual demand

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ASTM A376 TP347H Stainless Steel Solid Fin Tube, For Convection Coil Tube

Introduction

Yuhong is specializedin heat exchanger tube, fin tube, boiler tube. With experience of exporting fin tube for 12 years, Yuhong has already win the trust of client from over 80 cuntries. We can provide fin tube with all kinds of, such as G Type fin tube, extruded fin tube, Wound Fin tube, HFW fin tube, low fin tube.......


The ASTM A376 TP347H solid fin tube is designed for high-temperature heat transfer systems, especially in convection coil sections of boilers and furnaces. Made from seamless TP347H stainless steel, the tube is externally finned using solid carbon steel or stainless steel strips bonded by high-frequency welding (HFW), significantly improving heat exchange efficiency in compact designs.


Chemical Composition (TP347H Tube)

Element Content (%)
C 0.04 – 0.10
Mn ≤ 2.00
Si ≤ 1.00
P ≤ 0.040
S ≤ 0.030
Cr 17.0 – 19.0
Ni 9.0 – 13.0
Nb (Cb) 8×C – 1.10
Fe Balance

Mechanical Properties

Property Value (TP347H)
Tensile Strength ≥ 515 MPa
Yield Strength ≥ 205 MPa
Elongation ≥ 35%
Hardness ≤ 95 HRB
Max. Operating Temp ~1050°C

Advantages

  • High Temperature Strength
    Stabilized with niobium (Nb) for superior creep resistance at elevated temperatures.

  • Enhanced Heat Transfer
    Solid fins provide greater surface area for efficient heat dissipation in convection zones.

  • High Welding Integrity
    High-frequency welding delivers tight fin-to-tube bonding, even under thermal cycling.

  • Corrosion and Oxidation Resistant
    Excellent resistance to scaling and corrosion in flue gas environments.

  • Long Service Life
    Durable construction ideal for continuous-duty, high-heat applications.


Applications

Used primarily in the convection section of:

  • Fired Heaters (Oil & Gas)

  • Industrial Furnaces

  • Power Plant Boilers

  • Heat Recovery Units

  • Steam Superheaters

These tubes are installed horizontally or vertically where they absorb convective heat from flue gases after the radiant zone.

ASTM A376 TP347H Stainless Steel Solid HF Welding Fin Tube For Convection Coil Tube


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