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ASTM A312 TP304H Stainless Steel Seamless Pipe Serrated Fin Tube For Convection Coil

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ASTM A312 TP304H Stainless Steel Seamless Pipe Serrated Fin Tube For Convection Coil

Name: ASTM A312 TP304H Stainless Steel Seamless Pipe Serrated Fin Tube For Convection Coil
Brand: Yuhong
Price: 1 USD

Quality ASTM A312 TP304H Stainless Steel Seamless Pipe Serrated Fin Tube For Convection Coil for sale

Brand Name : Yuhong

Model Number : ASTM A312 TP304H

Certification : BV, CCS,ABS, LR

Place of Origin : China

MOQ : 100 KGS

Price : Negotiable

Payment Terms : L/C,T/T

Supply Ability : 1000 tons per month

Delivery Time : 7DAYS

Packaging Details : Ply-wooden case with iron case

Base Tube Material : TP304, TP316L, TP321 TP347

Fin Type : Serrated HFW

Fin Spacing : 2.0mm-20mm

Working Temperature : Up to 500℃

Fin Thickness : 0.8-3mm

Fin Strip : Serrared

Fins Height : 15.875mm

NDT : HT, ECT

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ASTM A312 TP304H Stainless Steel Seamless Pipe, Serrated Fin Tube, For Convection Coil

Product Overview

ASTM A312 TP304H Serrated Fin Tube is manufactured using high-temperature grade austenitic stainless steel TP304H as the base tube. Serrated stainless steel fins are high-frequency welded (HFW) onto the tube to enhance heat transfer. This finned tube is ideal for convection coils in industrial furnaces, reformers, and heaters, where higher thermal efficiency and fouling resistance are required.

Chemical Composition – ASTM A312 TP304H

Element	Content (%)
C	0.04 – 0.10
Mn	≤ 2.00
P	≤ 0.045
S	≤ 0.030
Si	≤ 0.75
Cr	18.0 – 20.0
Ni	8.0 – 11.0
Fe	Balance

Mechanical Properties – ASTM A312 TP304H

Property	Value
Tensile Strength	≥ 515 MPa
Yield Strength	≥ 205 MPa
Elongation	≥ 35%
Operating Temp.	Up to 700°C
Pressure Rating	High Pressure Applications

Advantages

Serrated Fin Design
Breaks boundary layer and enhances heat transfer by increasing turbulence in gas flow.
High-Temperature Strength
The higher carbon content in TP304H improves creep resistance and stability at elevated temperatures.
Excellent Corrosion Resistance
Withstands acidic and oxidizing environments, making it suitable for harsh furnace exhausts.
Improved Fouling Resistance
Serrated fins reduce dust accumulation, minimizing maintenance downtime.
Longer Service Life
Durable under continuous thermal cycling in demanding refinery and petrochemical processes.

Applications

Commonly used in convection sections of:

Process Heaters
Steam Reformers
Petrochemical Furnaces
Hydrocarbon Processing Units
Heater Convection Coils in Refineries

Typically installed in the convection zone of fired heaters, where hot flue gas transfers residual heat to process fluids before exiting the system.

ASTM A312 TP304H Stainless Steel Seamless Pipe Serrated Fin Tube For Convection Coil

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