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Carbon Steel Low Fin Tube For Oil Coolers And Condensers

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Carbon Steel Low Fin Tube For Oil Coolers And Condensers

Name: Carbon Steel Low Fin Tube For Oil Coolers And Condensers
Brand: YUHONG GROUP
Price: 1 USD

Quality Carbon Steel Low Fin Tube For Oil Coolers And Condensers for sale

Brand Name : YUHONG GROUP

Place of Origin : CHINA, KOREA

MOQ : 1PC

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : 10000 tons/month

Delivery Time : According to the quantity

Packaging Details : IRON FRAME CASE WITH PLASTIC CAP

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

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Carbon Steel Low Fin Tube

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. Below is a detailed breakdown of carbon steel low fin tube strength.

1. Material Strength of Carbon Steel

Carbon steel low fin tubes are typically made from ASTM A179, A192, or A210 grades. Their mechanical properties include:

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

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

2. Fin Geometry & Its Impact on Strength Low fin tubes have helical fins extruded from the base tube, which affects structural integrity:

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.

3. Strength 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

4. Applications & Limitations

Where Carbon Steel Low Fin Tubes Excel:

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

Where They Should Be Avoided:

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

5. Conclusion

Strength ≈ 70–90% of smooth tubes (depends on fin design).

Best for heat transfer efficiency, not extreme pressure.

Material choice (A179/A192/A210) affects performance.

Carbon Steel Low Fin Tube For Oil Coolers And Condensers

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