A335 P9 Serrated Finned Tube Tubular Heating Carbon Steel For Power Plants

Product Details:

Place of Origin:	China
Brand Name:	YuHong
Certification:	ABS, BV, ISO, ASTM, SGS
Model Number:	Welded Helical Serrated Finned Tube+

Payment & Shipping Terms:

Minimum Order Quantity:	200~500 KGS
Price:	Negotiable
Packaging Details:	Ply-wooden Cases with Steel Frames and Pipe's both ends with plastic caps
Delivery Time:	60 Days (Depend on Customer's Requirements)
Payment Terms:	T/T,L/C AT SIGHT
Supply Ability:	According to Clients' requirements

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Detailed Product Description

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
Applicatin:	Heat Exchangers, Air Preheaters, Boilers, And Reactors
Highlight:	A335 P9 Serrated Finned tube , Carbon Steel Serrated Finned tube , A335 finned tubular heating

A335 P9 Serrated Finned Tube Tubular Heating Carbon Steel For Power Plants

Product Specifications

Product Name	HFW Serrated Finned Tube
Base Tube Specification & Material	ASTM A335 P9
Fin material	C.S. (Carbon Steel)
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 Overview

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

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