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ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
Specifications
Brand Name :
YUHONG
Certification :
ABS, BV, ISO, ASTM, SGS
Place of Origin :
China
MOQ :
200-500KGS
Price :
Negotiable
Payment Terms :
L/C,T/T,AT SIGHT
Supply Ability :
According to Clients' requirements
Delivery Time :
45-75 Days (Depend on Customer's Requirement
Packaging Details :
Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps）
Base Tube Standard :
ASTM A179
Type :
Wound, L Type, LL Type, KL Type
Bare Tube Diameter :
16mm-63mm
Fin Pitch :
2.1mm-5mm
Fin Hight :
<17mm
Fin Thick :
~0.4mm
Application :
Petrochemical, Power Generation, HVAC Industries
Description

1. What is ASTM A179 L-Type Wound Finned Tube?

ASTM A179 L-Type Wound Finned Tube is a cost-effective heat transfer solution designed for moderate-temperature applications. It features a seamless low-carbon steel base tube (ASTM A179) with L-shaped aluminum fins mechanically wound under tension. This robust construction creates maximum fin-to-tube contact area, delivering 25% higher heat transfer efficiency than bare tubes in boilers, economizers, and heat recovery units. Ideal for non-corrosive environments up to 150°C (302°F), it balances performance and budget with minimal maintenance.

2. Chemical & Mechanical Properties

Chemical Composition (ASTM A179 Base Tube)

Element

Content (%)

Role

Carbon (C)

≤ 0.06

Weldability

Manganese (Mn)

0.27–0.63

Strength

Phosphorus (P)

≤ 0.035

Purity

Sulfur (S)

≤ 0.035

Ductility

Silicon (Si)

≥ 0.10

Deoxidation

Thermal Conductivity

51.9 W/m·K (Base)

204 W/m·K (Fin)

Mechanical Properties (System)

Property

Base Tube (A179)

Aluminum Fin (1100)

Tensile Strength

≥ 325 MPa

95–125 MPa

Yield Strength

≥ 180 MPa

35–50 MPa

Max Service Temp.

260°C (500°F)

150°C (302°F)

Fin Bond Strength

–

> 35 MPa (Tested per ASTM E8)

Recommended Medium

Steam/Hot Water

Air/Gases

3. Key Applications & Value Highlights

· Power Plant Boilers: Economizer sections for flue gas heat recovery.

· HVAC Systems: Air heating coils in commercial ventilation units.

· Industrial Dryers: Conveyor belt dryers for food/paper processing.

· Thermal Oil Heaters: Secondary heat exchangers in hydraulic systems.

· Biomass Energy: Low-pressure steam generators.

4. Why Choose Our Wound Fin Tubes?
· 30% Cost Saving: Most economical finned tube solution vs. extrusion/welding.
· Easy Installation: Lightweight design reduces structural support needs.
· Scale Resistance: Smooth aluminum fins minimize ash/fouling buildup.
· Rapid Delivery: Standard sizes (OD 19–50mm, Length ≤ 12m) in stock.

ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers

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ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers

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Product Detail
Brand Name :
YUHONG
Certification :
ABS, BV, ISO, ASTM, SGS
Place of Origin :
China
MOQ :
200-500KGS
Price :
Negotiable
Payment Terms :
L/C,T/T,AT SIGHT
Contact Supplier
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers
ASTM A179 L-Type Wound Finned Tube For HRSG And Boilers

YUHONG HOLDING GROUP CO., LTD

Verified Supplier
2 Years
ningbo
Since 1990
Business Type :
Manufacturer, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Heat Exchanger Tube, Studded Tube, Duplex Stainless Steel Heat Exchanger Tube
Total Annual :
50M-70M
Employee Number :
50~800
Certification Level :
Verified Supplier
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