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ASTM A335 P9 Serrated Finned Tube Tubular Heating For Power Plants

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ASTM A335 P9 Serrated Finned Tube Tubular Heating For Power Plants

Brand Name : YuHong

Model Number : Welded Helical Serrated Finned Tube

Certification : ABS, BV, ISO, ASTM, SGS

Place of Origin : China

MOQ : 200~500 KGS

Price : Negotiable

Payment Terms : T/T,L/C AT SIGHT

Supply Ability : According to Clients' requirements

Delivery Time : 60 Days (Depend on Customer's Requirements)

Packaging Details : Ply-wooden Cases with Steel Frames and Pipe's both ends with plastic caps

Product Name : HFW Serreted Finned Tube

Base Tube Specification&Material : ASTM A335 P9

Fin material : C.S.

Fin Height : 0.375″ to 1.25″

Fin Segment Width : 5/32″ or 5/16″

Fin Pitch : 1 to 7 fins per inch

Base Tube O.D. : 1.00″ to 12.75″ outside diameter

Applicatin : Heat Exchangers, Air Preheaters, Boilers, and Reactors

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A335 P9 Welded Helical Serrated Finned Tube With Carbon Steel Fins For Power Plants
Product Specifications
Attribute Value
Product Name HFW Serreted Finned Tube
Base Tube Specification & Material ASTM A335 P9
Fin material C.S.
Fin Height 0.375″ to 1.25″
Fin Segment Width 5/32″ or 5/16″
Fin Thickness 20ga (.035″) to 16ga (.060″)
Fin Pitch 1 to 7 fins per inch
Base Tube O.D. 1.00″ to 12.75″ outside diameter
Application Heat Exchangers, Air Preheaters, Boilers, and Reactors
Product Description

The ASTM A335 P9 Welded Helical Serrated Finned Tube with Carbon Steel Fins is a specialized heat exchanger tube designed for high-temperature and high-pressure applications in power plants and industrial processes.

Key Features
  • Welded Construction: Fins are securely welded to the base tube for strong mechanical bond and efficient heat transfer
  • Helical Design: Spirally wound fins maximize surface area for superior heat exchange
  • Serrated Fin Profile: Notched design enhances heat transfer by creating fluid turbulence
  • Carbon Steel Fins: Cost-effective solution with excellent thermal conductivity
  • High-Temperature Resistance: P9 alloy steel base tube withstands extreme operating conditions
Material Composition (ASTM A335 P9)
Element Composition (%)
Carbon (C) 0.15 max
Manganese (Mn) 0.30-0.60
Phosphorus (P) 0.025 max
Sulfur (S) 0.025 max
Silicon (Si) 0.50-1.00
Chromium (Cr) 8.00-10.00
Molybdenum (Mo) 0.90-1.10
Composition optimized for high-temperature strength, oxidation resistance, and corrosion resistance.
Mechanical Properties
Property Value
Tensile Strength 415 MPa (60,000 psi) min
Yield Strength 205 MPa (30,000 psi) min
Elongation 30% min (in 2 inches or 50 mm)
Hardness ≤ 197 HBW (Brinell Hardness)
Material maintains strength and integrity at elevated temperatures with excellent weldability.
Industrial Applications
  • Power Generation: Boilers, superheaters, reheaters, and economizers in power plants
  • Petrochemical: Process heaters, heat exchangers, and waste heat recovery systems
  • Oil & Gas: Gas cooling systems, air coolers, and fired heaters
  • Refining: Crude oil heaters, catalytic reforming units, and hydrogen plants
  • Industrial Heating: Air heaters and heat recovery systems for process applications
  • High-Temperature Systems: Incinerators and chemical processing equipment
ASTM A335 P9 Serrated Finned Tube Tubular Heating For Power Plants

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