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Aluminum Channel
Aluminum Channel comes in 3 different cross sections.
American Standard (AS) is similar to rolled steel channels, with traditional tapered flanges and rounded ends. 6061 aluminum alloy
Aluminum Association (AA) Flanges are straight instead of tapered and thicker than the web (base) thickness. 6061 aluminum alloy.
Architectural (AR) also known as sharp corner, it's flanges and web are the same thickness and has sharp and square corners on inside and outside. Most often produced in the 6063 aluminum alloy.
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