ASTM A179 Low-Carbon Steel Longitudinal Finned Tube For Refrigeration Systems

Product Details:

Place of Origin:	China , Korea
Brand Name:	YUHONG
Certification:	ASME , U STAMP , PED, API , ABS, LR, DNV, GL , BV, KR, TS, CCS
Model Number:	Longitudinal Finned Tube , Longitudinal Welding Fin tube

Payment & Shipping Terms:

Minimum Order Quantity:	1 PC
Price:	1 - 10000 USD
Packaging Details:	Bundle + Cap , Ply wooden case
Delivery Time:	5 - 75 Days
Payment Terms:	L/C,T/T
Supply Ability:	10000 Tons/Month

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Detailed Product Description

Base Tube Material:

A106, A210, A179, A192

Fin Type:

Longitudinal Finned Tube , Longitudinal Welding Fin Tube

Fin Qty:

..., 16U , 18U, 20U, 22U ,...

Fin Tube Length:

20m/pc

Highlight:

HAZ Longitudinal Finned Tube

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ASTM A179 Low-Carbon Steel Longitudinal Finned Tube For Refrigeration Systems

Product Description

ASTM A179 low-carbon steel longitudinal-finned tube is engineered for compact, high-efficiency heat exchange in refrigeration plants. The plain tube, made from killed low-carbon steel, offers ≥ 180 MPa yield and ≥ 35 % elongation, retaining impact toughness down to –45 °C. Fin pairs are roll-formed from the same low-carbon strip in a single pass, producing a cold-welded bond; fin ratios of 4–8 enlarge the air-side area, raising evaporating temperature by 2–3 °C and enabling chillers, cold-room air coolers and CO₂ transcritical racks to reach higher EER with lower refrigerant charge.

ASTM A179 Longitudinal Welding Fin Tube Strength

Material Properties: ASTM A179 tubes are made from low-carbon steel with excellent weldability, offering optimal tensile and yield strength for welding applications.
Welding Process: Utilizes controlled TIG (Tungsten Inert Gas) welding or high-frequency induction welding for strong, seamless longitudinal joints.
Weld Quality: Rigorous non-destructive testing (NDT) including ultrasonic testing and radiography ensures defect-free welds without cracks or porosity.
Heat Affected Zone (HAZ): Advanced welding techniques and optional post-weld heat treatment maintain structural integrity in the heat-affected areas.
Fin Attachment: Durable extrusion or welding methods securely attach fins to withstand operational stresses without tube compromise.
Standards Compliance: Meets all ASTM A179 specifications and welding standards for reliable performance in demanding applications.
Testing & Certification: Verified mechanical properties including tensile strength, yield strength, and elongation, with optional third-party certification.

ASTM A179 Longitudinal Welding Fin Tube Applications

Heat Exchangers: Essential in shell-and-tube heat exchangers for efficient liquid-to-liquid or gas-to-liquid heat transfer in chemical processing, oil/gas, and power generation industries.
Condensers: Optimizes vapor-to-liquid conversion in power plants, refrigeration systems, and HVAC units through enhanced condensation efficiency.
Boilers: Improves heat transfer in economizers and superheaters, recovering waste heat to boost boiler system efficiency.
Air Coolers & Radiators: Dissipates heat effectively in automotive, HVAC, and industrial cooling applications through air-cooled heat exchangers.
Refrigeration Systems: Critical component in evaporators, condensers, and chillers for commercial/industrial refrigeration and cryogenic applications.
Petrochemical Processing: Enhances energy efficiency in heat recovery systems, preheaters, and coolers for refineries and chemical plants.
Power Generation: Key element in HRSGs and condensers that improves thermal power plant efficiency through waste heat recovery.
Marine Applications: Maintains optimal temperatures in marine engine systems and onboard equipment through specialized heat exchangers.

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