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Serrated Fin Tube High Frequency Welding Tube ASTM A213 T11 For Furnace And Heater

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Serrated Fin Tube High Frequency Welding Tube ASTM A213 T11 For Furnace And Heater

Name: Serrated Fin Tube High Frequency Welding Tube ASTM A213 T11 For Furnace And Heater
Brand: Yuhong
Price: 1 USD

Wholesale Serrated Fin Tube High Frequency Welding Tube ASTM A213 T11 For Furnace And Heater from china suppliers

Brand Name : Yuhong

Model Number : ASME SA213 T11

Certification : ABS, BV, CCS, DNV, LR, PED

Place of Origin : China

MOQ : 100KGS

Price : Negoiable

Payment Terms : L/C,T/T

Delivery Time : 7days

Packaging Details : ply-wooden case with irm steel fream

Tube Standard : ASTM A213

Fin Tube Packing : Ply-wooden Case With Iron Frame

Base Tube Thickness : Customized

Heat Transfer Efficiency : High

Application : Heat Exchangers, Boilers, Air Conditioning, etc.

Carbon Steel : ASME SA192, ASME SA210 GR.A1 , B, C ,

Third Party Inspection : BV,SGS,ASP

Packing : Standard Export Seaworthy Package

Fin Grade : CS

Shape : Round

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Serrated Fin Tube, High Frequency Welding Tube, ASTM A213 T11, For Furnace and Heater

Overview

The Serrated Fin Tube made from ASTM A213 T11 alloy steel and fabricated via High Frequency Welding (HFW) is specifically engineered for high-temperature applications such as furnaces and industrial heaters. The serrated fin structure maximizes turbulence and heat transfer efficiency, making it a superior choice for heat recovery and fuel efficiency in power plants, petrochemical refineries, and thermal processing units.

1. Chemical Composition – ASTM A213 T11 (Base Tube)

Element	Content (%)
Carbon (C)	0.05 – 0.15
Manganese (Mn)	0.30 – 0.60
Phosphorus (P)	≤ 0.025
Sulfur (S)	≤ 0.025
Chromium (Cr)	1.00 – 1.50
Molybdenum (Mo)	0.44 – 0.65

2. Mechanical Properties – ASTM A213 T11

Property	Value
Tensile Strength	≥ 415 MPa
Yield Strength	≥ 205 MPa
Elongation	≥ 30%
Hardness	≤ 85 HRB

3. Fin Characteristics – Serrated Fin

Property	Value/Range
Fin Type	Serrated
Material	Carbon Steel
Fin Thickness	0.8 – 2 mm
Fin Height	10 – 30 mm
Fin Pitch	5 – 10 mm
Welding Method	High Frequency Welding

4. Key Advantages

Increased surface turbulence enhances thermal performance significantly over plain fins.
High structural integrity from HFW process ensures tight fin-to-tube bonding.
Excellent resistance to oxidation and creep under continuous high-temperature conditions.
Longer service life, even in aggressive flue gas or fuel-rich atmospheres.
Efficient in reducing fuel consumption due to better heat capture.

5. Applications

Used widely in:

Furnace convection sections
Crude oil and reformer heaters
Thermal oxidizers
Economizer tubes in boilers
Process gas heaters
Air preheaters and waste heat recovery units

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