ASTM SA789 SA-789 duplex steel 2205 UNS S31803 UNS S32205 Finned tubes Fin Tubes Pipes Fintubes Tubings For Air fin cooler Fin fan cooler Heat Exchanger

We attach great importance to the accumulation and progress of technology, and continue to innovate Low Finned Cooler Tube, anti-corrosion copper nickel, Handrail Brass Tube that adapt to the development of the times. We actively promote a modern enterprise management model, strictly control product quality in production, and try our best to meet customer needs in terms of after-sales service. With sincerity and enthusiasm, we wholeheartedly welcome friends from home and abroad to patronize. We welcome customers from every corner of the world to contact us for future business relationships and achieving mutual success!

Finned tubes for aviation are the finned tube used in aviation field. Compared with round tube, finned tube has advantages of a higher rate of heat transfer, lower material consumption, smaller heat exchanger volume and lower cost.

Alloy and production standard:

C12000, C12200, C44300, C68700, C70600, C71500 (ASTM B111 or ASME SB111)

Cu-DLP,Cu-DHP,CuZn28Sn1As,CuZn20Al2As,CuNi10Fe1Mn,CuNi30Mn1Fe (EN12451 or EN12449)

C106, CZ111, CZ110, CN102, CN106 (BS British Standard)

C1201, C1220, C4430, C6870, C7060, C7150 (JIS Japanese Industrial Standards)

Chemical composition:

Cu≥99.90

70.0≤Cu≤73.0 ; 0.8≤Sn≤1.2; Zn Rem; 0.02≤As≤0.06

76.0≤Cu≤79.0 ; 1.8≤Al≤2.5; Zn Rem; 0.02≤As≤0.06

9.0≤Ni≤33.0 ; 0.4≤Fe≤1.8 ; Cu Rem

Dimension/size:

Outside diameter range : 12mm~30mm

End wall range : 1.2mm~3.25mm

Fin height range : 0.90mm~2.50mm

Wall under fin range : 0.65mm~2.82mm

Field of application:

Finned tubes for aviation is broadly used in plate-fin heat exchanger, which is used in many industries, including the aerospace industry for its compact size and lightweight properties, as well as in cryogenics where its ability to facilitate heat transfer with small temperature differences is utilized.

Our honor:

As a copper and copper alloy tube/pipe manufacturer of over 40-year history, Guilin Lijia received lots of Certificates of Honor:

1. China Top ten enterprise of copper and copper alloy tube, awarded by China industry association of nonferrous processing;

2. Quality management award of Guangxi nonferrous metallurgy industry, awarded by Guangxi nonferrous metal industry association and quality management association.

3. Quality credit AAA grade enterprise, awarded by Guangxi nonferrous metal industry association and quality management association.

4. New high-tech enterprise award, authorized by Guangxi science and technology department;

5. 2016 Top ten high-quality supplier of national copper tube processing, awarded by Shanghai Metals Market;

6. Safety production standardization level 3 enterprise certification, awarded by Guilin administration of work safety supervision.

We adopt an omnichannel mindset to provide consumers with high-value ASTM SA789 SA-789 duplex steel 2205 UNS S31803 UNS S32205 Finned tubes Fin Tubes Pipes Fintubes Tubings For Air fin cooler Fin fan cooler Heat Exchanger. We are willing to cooperate with business friends from at home and abroad and create a great future together. The use of modern management methods, means and tools has become an important condition for the survival and development of enterprises.

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