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Anodizing was first used on an industrial scale in 1923 to protect Duralumin seaplane parts from corrosion. Anodized aluminium extrusion with powder coating is a popular architectural material.
Extruded profiles is extrusion of a shaped product that can be a variety of configurations but does not include sheet or film products. Extruded profiles can include solid forms as well as hollow forms. Products ranging from tubing to window frames to vehicle door seals are manufactured this way and considered profile extrusion.
To process hollow shapes a pin or mandrel is utilized inside the die to form the hollow sections. Multiple hollow sections require multiple pins.
Aluminum alloy 6000 series, from T3-T8.
Extrusion profile is used in various fields, such as rail transit, climbing products, electron communication, LED equipment, solar panel, and display equipment and so on.
Surface treatment: milling-polish-anodize (include color for silver, red, champagne, black, blue, bronze and so on)-brush-sandblasting-powder coated and so on.