The inner grooves improve heat transfer and have been optimized heat exchanger products.
Maximum inner high fin 0.37mm, regular inner groove tube just between 0.1-0.18mm.
Our grooved aluminum tube examine and verify by Daikin Japan and use for improving efficiency.
|Alloy grade|| |
|Tensile strength|| |
|Size Range|| |
MIN: φ7.0mm OD x 0.36mm WT
|Salt Spray|| |
We are a manufacturer of grooved tube aluminum in Changzhou city
Inner grooved tubes will improve the heat transfer performance of the heat exchanger solution.
|Spec||Bottom wall thick||Fin High||Groove number||Helix angle||Top angle|
3003 Aluminum chemical composition
3003 alloy grad we call it antirust aluminum. it has good corrosion and passes 500 hours salt spray testing
How does cold extrusion model work for the aluminum tube?
the first step is extruded by casting and rolling machine,
the second step is cold drawing to be more strength
and the third step is on annealing to be flexible soft aluminum tubing.
precision drawing tubes on the aluminum industry.
We will contact you within 1 working day, please pay attention to the email with the suffix “@granahvac.com”.