When it comes to critical mechanical or high-pressure applications, drawn aluminum tube and seamless aluminum tube offer compelling advantages. CHAL Aluminium produces cold-drawn tubes that are created by piercing a solid billet, then cold drawing (or cold rolling), annealing, and precision straightening — yielding a dense, uniform structure with excellent dimensional control.
A seamless aluminum tube, by definition, contains no weld seam, which provides superior integrity and pressure-bearing capacity. CHAL’s seamless tubes span a wide outer diameter range (8 mm up to 280 mm) and wall thicknesses from as thin as 0.1 mm to 20 mm. These tubes are available in high-performance alloys including 6061, 7075, 5052, and more, accommodating structural, fluid, or pressure vessel applications.
One of the key merits of combining drawn and seamless processes is corrosion resistance and mechanical strength. Without a welded seam, seamless tubes avoid potential weak points, offering a more uniform surface for anodizing or electrophoretic coating. Moreover, drawn seamless tubes provide tight tolerances and smooth finishes (e.g., Ra ≤ 0.8 µm), optimized for aerospace hydraulic lines, chemical systems, and fluid power networks.
In addition, using these tubes in pressure-sensitive systems reduces the risk of failure. Their uniform microstructure ensures reliable performance under cyclic loading and high-stress conditions. For designers and engineers, drawn aluminum tube and seamless aluminum tube represent robust solutions where both precision and strength are paramount.
In conclusion, for industrial settings requiring tubes that must handle pressure, maintain dimensional integrity, and resist corrosion, drawn and seamless aluminum tubes stand out as high-quality materials — blending the best of manufacturing precision and mechanical performance.