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ASTM A213 T11 Alloy Steel Sesmless Tube Serrated HFW Fin Tube For Refinery

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ASTM A213 T11 Alloy Steel Sesmless Tube Serrated HFW Fin Tube For Refinery

Name: ASTM A213 T11 Alloy Steel Sesmless Tube Serrated HFW Fin Tube For Refinery
Brand: Yuhong
Price: 1 USD

China ASTM A213 T11 Alloy Steel Sesmless Tube Serrated HFW Fin Tube For Refinery wholesale

Brand Name : Yuhong

Model Number : ASTM A213 T11

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

Place of Origin : China

MOQ : 100KGS

Price : Negotiable

Payment Terms : L/C,T/T

Delivery Time : 7DAYS

Packaging Details : Ply-wooden case with iron frame

Aluminum : CS

Bare Tube : A213 T11 T12

Packing : Ply-Wooden Case, Iran Case

Fin Thick : 0.8-3

Fin Size : As per client's drawing

Payment : T/T;L/C

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ASTM A213 T11 Alloy Steel Sesmless Tube Serrated HFW Fin Tube For Refinery

Brief Description

The ASTM A213 T11 serrated HFW finned tube is a high-performance heat transfer element designed for refinery heaters, boilers, and economizers. The base tube is made from low alloy steel (T11), and serrated carbon steel or stainless steel fins are welded using High Frequency Welding (HFW). This combination ensures excellent heat resistance, mechanical strength, and enhanced heat transfer efficiency.

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

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 – Base Tube (ASTM A213 T11)

Property	Value
Tensile Strength	≥ 415 MPa
Yield Strength	≥ 205 MPa
Elongation	≥ 30%
Hardness	≤ 85 HRB
Max Temperature	Up to 580°C

3. Advantages

Superior heat transfer due to serrated fins which break boundary layers and improve turbulence.
Excellent high-temperature resistance from T11 alloy base material.
Strong welding bond from HFW ensures durability under thermal cycling and vibration.
Corrosion-resistant in harsh refinery environments.
Longer lifespan compared to traditional smooth finned tubes.

4.. Applications in Refinery

These finned tubes are ideal for convection sections and economizer areas in:

Crude oil heaters
Vacuum distillation unit furnaces
Fluid catalytic cracking units (FCCU)
Steam generation sections
Gas heat recovery units

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