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  • Extruded Bimetallic Finned Tubes
  • Extruded Bimetallic Finned Tubes
  • Extruded Bimetallic Finned Tubes
Extruded Bimetallic Finned Tubes Extruded Bimetallic Finned Tubes Extruded Bimetallic Finned Tubes

Extruded Bimetallic Finned Tubes

  • Fin Type: Extruded Fin Tube
  • Tube Material: Carbon steel, stainless steel, copper, aluminum
  • Fin Material: Copper, aluminum
  • Fin Tube Length: No Limit
  • Product description:Extruded Bimetallic Finned Tubes, Minyang Heat Transfer is the top one manufacturer of high finned tubes for heat exchangers in the China market. Call 86 514 6036 3690!
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Extruded Finned Tube

There are two major types of finned tubes available with us, single metal tubes (also called monometallic fin tube) and Bimetallic tube (composited extruded fin tube) . The former uses Copper, Aluminum, and Copper Nickel alone. The later has a core tube on the inside made of harder material. In this case, the outer tube is rolled onto the core tube in order to provide for a tight bond and good thermal contact between the two tubes.

Fabrication Process

For composite finned tube, we need to pipe line——compressing or rolling——strip peeling——washing——pressure test——blast blowing——packaging.

Finned tube is composited with iron-aluminum or copper-aluminum tube rolling out the fin, which feathers are tightness, small heat resistance, good heat transfer performance, high strength, small flow losses, strong corrosion resistant performance, not easy to deformation and a long working lifetime in cold and hot condition, etc.
Overall rolling fin is smooth and has no burr, so it is easy to clean. It is easy to make the fin surface wet and cooled with water when makes it cold during heating air-conditioning engineering. In the situation with drying, heating and other heat exchanging, its surface is handles by anodizing, which with beautiful color and luster, and can effectively prevent surface corrosion.
Aluminum rolling finned tube is rolling as a whole by the aluminum tube, which has the feather that no contact thermal resistance, high strength, thermal shock and mechanical shock, good thermal performance, and considerable expansion heat transfer surface. The heat exchanger with this kind of finned tube is ahead of the string or around the plate ones.

EXTRUDED FINNED TUBE SPECIFICATIONS

Tube Material

Stainless Steel, Copper, Carbon steel, Alloy

Tube OD

10-57mm

Tube Wall Thickness

1.0mm-4.0mm

Fin Material

Aluminum, copper

Fin OD

25~82mm

Fin thickness

0.2~1mm

Fin Pitch

1.8~8mm

Fin Height

less than 18mm


Extruded Bimetallic Finned Tube is combined with two different materials.

Materials Standard

Base Tube

Carbon steel tube: SA179, SA334, SA214, SA106B, GB8163, GB9948, GB3087,10#, 20#,

Stainless steel tube: SA789, SA213, SA312, SA210, SA249, 304, 316L, T11, T22, T91

Copper tube: C1100, C12200, C44300, C68700, C70600, C71500, CuNi90/10, 70/10,70/20,70/30

Fin material: Aluminum 1060, 1050, 1070, 6063,6061,3003

Applications:

Typically extruded fins are used in corrosive atmospheric conditions, such as off-shore applications, widely applied in equipment like water cooler, air cooler, heat exchanger, boiler and burners and so on.

Maximum working temperature is 285°C.


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