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Ultraprecision Extruded Multi-Hole Aluminum Tubes

Ultra-precision aluminum extrusion technology for high-performance heat exchangers

Flat multi-hole aluminum tubes with multiple tiny holes offer improved heat exchange performance and are used in automotive air conditioners and outdoor units of room air conditioners.

  • Can also be manufactured using 3000 series alloys for high pressure Co2 refrigerant applications.
  • By having several inner ribs in its cross section, these tubes can withstand multiple bending processing in the longitudinal direction, keeping passages for refrigerant and cooling water unobstructed.
  • In recent years, these tubes are also being used more to provide a cooling system for EV and FCV batteries.
Ultra-precision aluminum extrusion technology for high-performance heat exchangers

Features

  1. Use of type 1000 alloy, which has good heat conductivity, with many tiny holes, delivers excellent heat transfer performance.
  2. Cross section offers a high degree of freedom in terms of design, so the tiny holes can be square, round, or rib shaped, realizing a much narrower tolerance range among extruded materials.
  3. The surface of the multi-hole tube can be sprayed with zinc or coated with flux to improve corrosion resistance.
Features
Features

Scope of allowable manufacturing

Width (W)12 to 23 mm
Height (H)1.0 to 3.0 mm
Wall Thickness (t)0.15 to 0.4 mm
HolesIn addition to square-shaped holes, tubes can also be made with round holes and rib-shaped holes.
Scope of allowable manufacturing
Image of EV battery cooling
Ensures adhesion

Product technology

Ultra-precise extrusion technology

Ultra-precise extrusion technology

Zinc arc spraying technology

Zinc arc spraying technology
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