ASME DNV Integral Low Fin Tubes Extruded Aluminum Fins For Oil Coolers

Product Details:

Place of Origin:	CHINA, KOREA
Brand Name:	YUHONG GROUP

Payment & Shipping Terms:

Minimum Order Quantity:	1PC
Price:	1--10000 USD
Packaging Details:	IRON FRAME CASE WITH PLASTIC CAP
Delivery Time:	5---75 days
Payment Terms:	L/C, T/T
Supply Ability:	10000 tons/month

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Detailed Product Description

Certification:	ASME, U STAMP, API,ASME, ABS, LR, DNV, GL , BV, KR, TS, CCS	Base Tube Material:	Carbon Steel, SA179, SA192, A106
Length:	Max 25M/PC	Fin Wall Thickness:	~0.3mm
Fin Pitch:	19-26-27-28-30-36 Fins Per Inch	Fin Height:	＜1.4mm
Highlight:	DNV Integral Low Fin Tubes , extruded Integral Low Fin Tubes , ASME extruded aluminum fins

ASME DNV Integral Low Fin Tubes Extruded Aluminum Fins For Oil Coolers

Product Specifications

Attribute	Value
Certification	ASME, U STAMP, API, ABS, LR, DNV, GL, BV, KR, TS, CCS
Base Tube Material	Carbon Steel, SA179, SA192, A106
Length	Max 25M/PC
Fin Wall Thickness	~0.3mm
Fin Pitch	19-26-27-28-30-36 fins per inch
Fin Height	<1.4mm

Carbon Steel Low Fin Tube Overview

Low fin tubes (also called integral fin tubes) are used in heat exchangers, boilers, and condensers to enhance heat transfer efficiency. Their strength depends on material properties, fin geometry, and manufacturing processes.

Material Strength Properties

Property	ASTM A179	ASTM A192	ASTM A210
Tensile Strength	≥325 MPa	≥325 MPa	≥415 MPa
Yield Strength	≥180 MPa	≥180 MPa	≥255 MPa
Elongation (%)	≥35%	≥35%	≥30%
Hardness (HB)	≤72 HRB	≤77 HRB	≤79 HRB

Material Applications:

A179: Best for low-pressure heat exchangers
A192: Higher pressure applications (boilers)
A210 (Grade A1): Higher strength for power plants

Fin Geometry & Structural Impact

Parameter	Typical Range	Effect on Strength
Fin Height	0.8-1.5 mm	↑ Height -> ↓ Burst Pressure
Fin Pitch	19-40 fins/inch	Denser fins -> Slightly weaker
Base Wall Thickness	1.2-3.0 mm	Thicker -> Higher pressure rating

Burst Pressure: Typically 20-30% lower than smooth tubes due to fin formation.

Collapse Strength: Fins add rigidity but reduce internal pressure resistance.

Performance Comparison: Low Fin vs. Smooth Tubes

Property	Low Fin Tube	Smooth Tube
Tensile Strength	Similar	Similar
Burst Pressure	~70-80% of smooth	100% (reference)
Fatigue Resistance	Slightly lower	Higher
Corrosion Resistance	Similar (but fins trap deposits)	Better for clean fluids

Recommended Applications

✓ Heat Exchangers (oil coolers, condensers)
✓ Boiler Economizers (improved heat transfer)
✓ Low-Pressure Steam Systems

Usage Limitations

✗ High-Pressure Steam (>1000 psi)
✗ Highly Corrosive Fluids (fins trap deposits)
✗ High-Vibration Environments (risk of fin fatigue)

Key Takeaways

Strength approximately 70-90% of smooth tubes (depends on fin design)
Optimal for heat transfer efficiency, not extreme pressure applications
Material selection (A179/A192/A210) significantly affects performance

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Tel: +8613819835483

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