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ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube

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ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube

Name: ASTM A179 Ltype Fin Seamless Smls Tube High Efficiency Heat Exchange LowCarbon Steel Fin Tube
Brand: YUHONG
Price: 1 USD

Buy cheap ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube product

Brand Name : YUHONG

Model Number : ASTM A179

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 10 PCS

Price : Negotiable

Payment Terms : T/T,L/C

Supply Ability : 1000 Tons/Month

Delivery Time : Depends On Quantity

Packaging Details : Wooden Cases

Standard : ASTM A179, GB/T 1527-2006, JIS G3463

Material Grade : 10#、20# Low-Carbon Steel (Mainly), Customizable according to requirements

Product Type : L-type Fin Seamless Tube (Smls), Straight Type; U-bend optional

Pressure Class : Class 150, 300; ≤10MPa (Working Pressure), Customizable

Size Range : Base Tube OD: 19-114mm, Wall Thickness: 1.5-5mm; Fin Height: 6-20mm, Fin Pitch: 2-5mm; Length: 1-12m, Customizable

Surface Treatment : Galvanizing, Pickling & Passivated, Anti-rust Coating, Natural Oxide Film

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ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube

Brief Introduction

A179 L-type FIN Smls Tube is a high-efficiency heat exchange seamless steel tube, strictly manufactured in accordance with ASTM A179 standard (Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchange Tubes). It integrates the structural advantages of seamless tubes and the enhanced heat transfer performance of L-type fins, mainly made of low-carbon steel materials with excellent ductility, weldability and thermal conductivity. The L-type fin structure is integrally formed with the seamless base tube, which not only avoids the hidden dangers of fin falling off caused by welding but also greatly increases the heat exchange area, improves heat transfer efficiency by 30%-50% compared with ordinary seamless tubes, and reduces energy consumption[1]. As a key component in heat exchange systems, this product has no welding seams in the base tube, ensuring high pressure resistance and structural stability, and can adapt to medium and low temperature and pressure working environments. It is widely used in thermal power, petrochemical, refrigeration, HVAC and other fields that require efficient heat exchange.

Chemical Composition Analysis (wt%)

Material Grade	C (Carbon)	Si (Silicon)	Mn (Manganese)	P (Phosphorus) ≤	S (Sulfur) ≤	Fe (Iron) ≥
10# Low-Carbon Steel (ASTM A179)	0.07-0.14	0.17-0.37	0.35-0.65	0.035	0.035	99.0
20# Low-Carbon Steel (ASTM A179)	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	98.8

Typical Mechanical Properties

Mechanical Property	10# Steel (Annealed)	20# Steel (Annealed)	ASTM A179 Requirement
Yield Strength (Rp0.2), MPa	≥205	≥245	≥200
Tensile Strength (Rm), MPa	335-475	410-550	≥330
Elongation (A), %	≥28	≥25	≥25
Hardness (HB), Brinell	≤137	≤156	≤160
Reduction of Area, %	≥55	≥50	≥45
Fin Bond Strength, MPa	≥200	≥200	≥180

Available Tests

Test Type	Standard
Chemical Composition Analysis (PMI)	Spectrometer (XRF/OES), ASTM E1019, ASTM A179
Tensile & Impact Test	ASTM E8/E8M, ASTM A370, Charpy V-Notch
Hardness Test	ASTM E10 (Brinell), ASTM E18 (Rockwell), Vickers
Fin Bond Strength Test	Pull-off Test, Bending Test, Hammer Test[1]
Corrosion Resistance Test	ASTM B117 (Salt Spray), Neutral Salt Spray Test
Non-Destructive Testing (NDT)	Eddy Current Test, UT (Ultrasonic), MT (Magnetic Particle), PT (Liquid Penetrant)
Hydrostatic/Pneumatic Pressure Test	ASTM A179, Pressure Test for Seamless Pipes
Dimensional & Visual Inspection	ASTM A179, CMM, Gauge Inspection, Fin Size Tolerance Test[1]
Material Test Certificate (MTC)	EN 10204 3.1/3.2, ASTM A179
Flattening & Flaring Test	ASTM A179 (Standard for Low-Carbon Steel Heat-Exchange Tubes)

Product Application Scope

Industry Field	Typical Applications
Thermal Power Industry	Power plant condensers, heat exchangers, boiler economizers, air preheaters, cooling water pipelines
Petrochemical Industry	Petroleum refining heat exchangers, chemical reaction kettle heat transfer tubes, hydrocarbon processing equipment pipelines
Refrigeration & Air Conditioning	Air conditioner evaporators, condensers, refrigeration unit heat exchange tubes, central air conditioning heat exchange systems
HVAC Industry	Building central heating heat exchangers, ventilation system heat transfer tubes, domestic water heaters
Light Industry & Food Processing	Food sterilization equipment heat exchange tubes, beverage processing cooling tubes, textile printing and dyeing heat exchangers
Other Fields	Automobile radiators, industrial waste heat recovery equipment, low-temperature storage equipment heat exchange tubes

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ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube Images

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ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube

ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube

ASTM A179 seamless fin tube

L-type heat exchange steel tube

low-carbon steel finned tube

ASTM A179 L-type Fin Seamless (Smls) Tube, High Efficiency Heat Exchange Low-Carbon Steel Fin Tube Images