Heat Exchanger Fin Tube

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The heat exchanger fin tube is a heat exchange tube added with fins. Adding fins is to improve heat transfer efficiency.

Features
1. Strong corrosion resistance
2. Good wear resistance
3. Low contact resistance
4. High stability
5. Highly dustproof

The high-frequency welded spiral fin tube is a widely recognized energy-efficient heat exchanger component. It is extensively applied in the petrochemical, machinery, metallurgy, rubber, printing and dyeing, pharmaceutical, food, as well as other industries for heating and cooling. It is an ideal heat exchanger component for cracking furnace, reformer furnace convection section, air preheater, economizer, heat exchanger, crystallizer, and radiator.

Application Industry of High-Frequency Welded Finned Carbon Steel Tube
1. Petrochemical Industry
For example, heat exchange in bitumen tank

2. Boiler and Auxiliary Engine Industries
Such as economizer, air preheater, heat recovery steam generator

3. Power Industry
Such as boiler, air preheater, waste heat boilers

4. Machinery Manufacturing Industry
Such as equipment equipped with finned tube cooler

5. Others
Such as fin tube type radiator for heating in the greenhouse and industrial plant

Material Comparison Table

Item	Symbol	Unit	Value
Steel pipe diameter	d	mm	16 ～ 140
Pipe wall thickness	S	mm	2 ～ 10
Pipe length	L	m	< 25
Fin thickness	δ	mm	0.5 ～ 4.0
Fin height	h	mm	5 ～ 30
Fin spacing (Thread Pitch)	t	mm	3.5 ～ 40
Pipe material	Carbon steel, alloy steel, stainless steel
Fin material	Carbon steel, alloy steel, stainless steel

Specification of Spiral Finned Tube

Steel pipe			Strip steel		Strip steel for each meter of steel pipe		Finned tube per meter
Specification	Weight	Thread pitch	Specification	Weight	Length	Weight	Heat transfer area
Specification	kg/m	mm	mm	kg/m	m	kg	m2
25×2.5	1.39	5	1.2×12.5	0.118	23.56	2.77	0.686
25×2.5	1.39	8	1.2×12.5	0.118	14.73	1.73	0.458
32×3	2.15	8	1.2×12.5	0.118	17.48	2.06	0.549
32×3	2.15	8	1.2×15	0.141	18.46	2.61	0.668
32×3	2.15	10	1.2×12.5	0.118	13.98	1.65	0.459
32×3	2.15	10	1.2×15	0.141	14.77	2.09	0.555
38×3.5	2.98	8	1.2×12.5	0.118	19.83	2.34	0.627
38×3.5	2.98	8	1.2×15	0.141	20.81	2.94	0.758
38×3.5	2.98	10	1.2×12.5	0.118	15.87	1.87	0.525
38×3.5	2.98	10	1.2×15	0.141	16.65	2.35	0.630
42×3.5	3.32	8	1.2×12.5	0.118	21.40	2.52	0.679
42×3.5	3.32	8	1.2×15	0.141	22.38	3.16	0.818
42×3.5	3.32	8	1.2×20	0.188	24.35	4.59	1.125
42×3.5	3.32	10	1.2×12.5	0.118	17.12	2.02	0.569
42×3.5	3.32	10	1.2×15	0.141	17.91	2.53	0.680
42×3.5	3.32	10	1.2×20	0.188	19.48	3.67	0.926
51×3.5	4.10	8	1.2×12.5	0.118	24.94	2.94	0.795
51×3.5	4.10	8	1.2×15	0.141	25.92	3.66	0.952
51×3.5	4.10	8	1.2×20	0.188	27.88	5.25	1.294
51×3.5	4.10	10	1.2×12.5	0.118	19.95	2.35	0.668
51×3.5	4.10	10	1.2×15	0.141	20.73	2.93	0.794
51×3.5	4.10	10	1.2×20	0.188	22.31	4.20	1.068
51×3.5	4.10	12	1.2×12.5	0.118	16.62	1.96	0.584
51×3.5	4.10	12	1.2×15	0.141	17.28	2.44	0.688
51×3.5	4.10	12	1.2×20	0.188	18.59	3.50	0.916
Material: Ordinary carbon steel, stainless steel, corrosion-resistant steel Base pipe: Seamless steel pipe, high-frequency welded steel pipe

Related Names
Steel Finned Tubing | Thermal Exchanger Finned Tube | Air Cooled Heat Exchanger Tube

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