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ASME SA335 P9 Alloy Steel High Frequency Welding Helical Solid Finned Tubes For Furnace
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Return Bend

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Super Duplex Stainless Steel Heat Exchanger Tube

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ASME SA335 P9 Alloy Steel High Frequency Welding Helical Solid Finned Tubes For Furnace

Brand Name: YUHONG
Model Number: ASME SA335 P9, HFW
MOQ: 100 KGS
Price: Negotiable
Packaging Details: Plywooden case with Iron Frame
Payment Terms: TT, LC
Detail Information
Product Description
Detail Information
Place of Origin:
China
Certification:
ABS, BV, DNV, CCS, LR
Product Name:
Finned Tube
Type:
High Frequency Welded Finned Tube
Application:
Heater Parts, Refrigeration Parts, Fluid Cooling
Dimensions:
88.9mm, 114.3mm, 168.3mm, Etc.
Length:
1-30000mm
Fin Height:
4-17mm
Tube Material:
Carbon Steel, Stainless Steel, Alloy Steel, Copper Etc
Fin Material:
Carbon Steel, Stainless Steel And Alloy Steel Etc
Warranty:
6 Months
Welding Area:
According To Actual Demand
Application:
Furnace
Dimensions:
88.9mm, 114.3mm, 168.3mm, Etc
Tube Material:
Carbon Steel, Stainless Steel, Alloy Steel
Fin Material:
Carbon Steel, Stainless Steel And Alloy
Supply Ability:
4150 Ton Per Month
Highlight:

Furnace Solid Finned Tubes

,

P9 Alloy Steel Solid Finned Tubes

,

ASME SA335 Solid Finned Tubes

Product Description

High-Frequency Welded ASME SA335 P9 Helical Finned Tubes | Extreme Heat-Resistant Alloy Steel for Industrial Furnace Systems

 

Product Overview

 

Introducing ​ASME SA335 P9 High-Frequency Welded Helical Finned Tubes, designed for extreme-temperature industrial furnace applications. These tubes combine ​chromium-molybdenum alloy durability with ​high-efficiency heat transfer, making them ideal for harsh environments.

 

​Key Features

 

​1. Material & Chemical Composition
  • ​Base Tube: ASME SA335 P9 Chromium-Molybdenum Alloy Steel (Cr: 8.5-9.5%, Mo: 0.90-1.10%)
  • ​Fin Material: High-grade stainless steel (AISI 304/316L) for corrosion resistance.
  • ​Chemical Composition:
Element Cr Mo C Mn Si
Composition 8.5-9.5% 0.90-1.10% ≤0.15% 0.30-0.60% 0.50-1.0%

Compliant with ASME SA335 and ASTM A213 standards.

 

​2. Mechanical Properties
Property Value
Tensile Strength ≥620 MPa
Yield Strength ≥440 MPa
Elongation (A50) ≥20%
Operating Temperature -20°C to 650°C
​3. Manufacturing Process
  • ​High-Frequency Welding (HFW): Achieves ​95% weld integrity between fins and base tube through automated spiral winding.
  • ​Post-Weld Treatment: Shot blasting + anti-corrosion coating (zinc or epoxy) for enhanced durability.
  • ​Quality Control: 100% hydrostatic testing (1.5x design pressure) and ultrasonic inspection.
​4. Applications
  • ​High-Temperature Furnaces: Cement kilns, steel reheating systems.
  • ​Heat Recovery Units: Boilers, economizers, and air preheaters.
  • ​Oil & Gas: Crackers, reformers, and sulfur recovery units.

​Advantages

  1. ​Superior Heat Transfer: 4-7x higher efficiency than smooth tubes due to spiral fin design.
  2. ​Corrosion Resistance: Withstands acidic/sulfur-rich environments (pH 2-12).
  3. ​Long Service Life: 2-3x lifespan over conventional welded tubes.

​FAQ

 

Q1: What is the lead time for bulk orders?
A: Standard lead time is ​4-6 weeks for 20-ft container loads.

 

Q2: Can these tubes withstand thermal cycling?
A: Yes, the ASME SA335 P9 alloy ensures stability under repeated heating/cooling.

 

Q3: Are certifications available?
A: We provide ​ASME, ISO 9001, and EN 10204-3.1 certifications.

​Why Choose Yuhong?

  • ​55 Production Lines: Fully automated HFW machines ensure consistent quality.
  • ​Global Reach: Exported to 80+ countries with on-time delivery.
  • ​Technical Support: 110+ engineers provide custom solutions for fin height (8-20mm) and pitch (4.5-15mm).

Contact Us:

  • ​Email: jimmy@steelseamlesspipe.com
  • ​WhatsApp: +86 18892647377
  • ​Website: www.steelfintube.com

ASME SA335 P9 Alloy Steel High Frequency Welding Helical Solid Finned Tubes For Furnace

Tags: 

Welded Fin Tube A240  

Welding Fin Tube 3.0mm  

Welding Fin Tube High Frequency

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