ASTM A213 T5 G Embedded Finned Tube With Al1060 Fins For Power Plants

Brand Name:Yuhong
Certification:ABS, BV, DNV, CCS, LR
Model Number:ASTM A213 T5
Minimum Order Quantity:200~500 KGS
Delivery Time:35-60 Days (Depend on Customer's Requirements)
Payment Terms:TT, LC
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Location: Ningbo China
Address: 20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
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ASTM A213 T5 G Finned Tube / Embedded Finned Tube With Al1060 Fins For Power Plants


A G finned tube (also called "G-fin" or grooved finned tube) is a type of enhanced heat exchanger tube where aluminum fins are mechanically bonded to a grooved base tube for improved heat transfer and durability.


ASTM A213 T5 G Finned Tube with Al1060 Fins is a type of heat exchanger tube designed for high-temperature applications. Here's a breakdown of its components:


1. Key Features of G Finned Tubes


Grooved Base Tube

The base tube (usually carbon steel, stainless steel, or alloy steel like ASTM A213 T5) has precision-cut helical grooves on its outer surface.

The grooves provide a strong mechanical anchor for the fins.


Fin Attachment Method

Aluminum fins (e.g., Al1060) are cold-formed into the grooves under high pressure, creating a tight, gas-tight bond.

No soldering or welding is needed, reducing thermal resistance.


2. Base Tube – ASTM A213 T5


Chemical Composition (ASTM A213 T5)

ElementComposition (% Weight, Max unless specified)
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 max
Chromium (Cr)4.00–6.00
Molybdenum (Mo)0.45–0.65

Notes:

Low carbon content improves weldability.

Cr & Mo provide high-temperature strength and oxidation resistance.


Mechanical Properties (ASTM A213 T5)

PropertyValue
Tensile Strength≥ 415 MPa (60,000 psi)
Yield Strength≥ 205 MPa (30,000 psi)
Elongation (in 50 mm)≥ 30% (for longitudinal test specimens)
Hardness (Brinell)≤ 163 HBW (typically)

Notes:

Suitable for service temperatures up to 650°C (1,200°F).

Good creep resistance due to 5% Cr & 0.5% Mo content.


3. Comparison with Similar Grades

GradeCr (%)Mo (%)Max Temp (°C)Key Use
T54–60.45–0.65650Refineries, boilers
T98–100.90–1.10700Higher temp/pressure
T111.0–1.50.45–0.65600Lower-cost alternative

The ASTM A213 T5 G Finned Tube with Al1060 Fins is primarily used in high-temperature heat exchange applications where efficient thermal transfer, corrosion resistance, and durability are critical. Below are its main applications:


1. Power Plants & Boilers


Superheaters & Reheaters:

The Cr-Mo steel (T5) base tube withstands high-pressure steam (up to 650°C), while the Al1060 fins enhance heat transfer from flue gases.


Economizers:

Recovers waste heat from exhaust gases to preheat boiler feedwater.


2. Petrochemical & Refinery Systems


Process Heaters & Furnaces:

Resists oxidation and sulfur corrosion in refinery environments.


Waste Heat Recovery Units (WHRU):

Captures heat from exhaust streams (e.g., catalytic crackers) to improve energy efficiency.


3. Air-Cooled Heat Exchangers (ACHEs)


Condensers & Coolers:

Aluminum fins (Al1060) maximize air-side heat transfer in fin-fan coolers for hydrocarbon processing.


4. HVAC & Industrial Heating


Thermal Oil Heaters:

Used in chemical plants where precise temperature control is needed.


Drying Systems:

Efficient heat transfer for industrial drying processes.



China ASTM A213 T5 G Embedded Finned Tube With Al1060 Fins For Power Plants supplier

ASTM A213 T5 G Embedded Finned Tube With Al1060 Fins For Power Plants

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