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ASTM A335 P9 Serrated Fin Tube For Fired Heater And Boiler Reheater
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Low Fin Tube

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Fin Tube Support

Return Bend

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ASTM A335 P9 Serrated Fin Tube For Fired Heater And Boiler Reheater
  • name
  • name
  • name
  • name

ASTM A335 P9 Serrated Fin Tube For Fired Heater And Boiler Reheater

Brand Name: Yuhong
MOQ: 1PC
Price: Negotiable
Packaging Details: IRON FRAME CASE WITH PLASTIC CAP
Payment Terms: TT, LC
Detail Information
Product Description
Ratings & Reviews
Detail Information
Place of Origin:
China
Certification:
ABS, BV, DNV, CCS, LR
Fin Wall Thickness:
0.8-3mm
Base Tube Material:
P5, P9, P11, P22, P91
Fin Pitch:
FPI: 3-25
Fin Material:
Cr11
Fin Height:
5-30mm
Length:
Max 34M/PC
Supply Ability:
10000 tons/month
Highlight:

Hydrogen Reformer Units Serrated Fin Tube

,

ASTM A335 P9 Serrated Fin Tube

,

11Cr Serrated Fin Tube

Product Description

ASTM A335 P9 Base Tube Composition

Grade UNS Designation C Mn P S Si Cr Mo
P9 K90941 0.15 0.30-0.60 0.025 0.025 0.25-1.00 8.0-10.0 0.9-1.1

 

ASTM A335 P9 Serrated Fin Tube Strength

1. Material Strength Properties

  • Tensile strength at room temp: min 415 MPa
  • Yield strength at room temp: min 205 MPa
  • Elongation: min 30%
  • Hardness: max around 179 HB
  • High-temperature properties: allowable stresses varying with temperature, creep rupture strength.

2. Versatility

  • Wide Range of Applications: ASTM A335 P9 serrated fin tubes are used in various industries, including power generation, petrochemical, refining, and heat recovery systems.
  • Customizable Design: The tubes can be customized in terms of base tube dimensions, fin height, fin density, and serration pattern to meet specific application requirements.

3. Cost-Effectiveness

  • Long Service Life: The durability and resistance to high-temperature degradation reduce the need for frequent replacements, lowering long-term costs.
  • Energy Efficiency: The enhanced heat transfer efficiency of serrated fin tubes can lead to energy savings in heat exchange systems.

4. Compliance with Industry Standards

  • ASTM and ASME Standards: ASTM A335 P9 tubes comply with industry standards such as ASTM A335 and ASME SA335, ensuring high quality and reliability.
  • Certifications: These tubes are often tested and certified for mechanical properties, hydrostatic performance, and non-destructive testing (NDT), providing assurance of their performance.

5. Improved Thermal Performance

  • Higher Heat Transfer Coefficients: The serrated fin design results in higher heat transfer coefficients compared to smooth or plain fin tubes.
  • Efficient Thermal Cycling: The tubes perform well under thermal cycling conditions, making them suitable for applications with fluctuating temperatures.

 

ASTM A335 P9 Serrated Fin Tube For Fired Heater And Boiler Reheater 0

Ratings & Review

Overall Rating

4.7
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
67%
4 stars
33%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

P
Pieter
South Africa Dec 17.2025
Helpful (4)
With high firebox temps and some sour gas in the mix, regular carbon tubes don't last. These have been solid.
M
Marek
Poland Sep 5.2025
Helpful (2)
Heat transfer has been consistent since day one. Our outlet temperatures are steady, and the exchanger is performing exactly as we expected.
R
Rajesh Kumar
India Apr 19.2025
Helpful (3)
Cost and reliability are key for Indian refineries. We installed these fin tubes in Mumbai’s cooling towers, achieving 16% energy savings versus local suppliers. ASTM A213 T11 compliance ensured no failures during monsoon humidity (90%+ RH), and the low price saved $8K upfront.
Tags: 

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Serrated Spiral Finned Tube  

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