Aluminum U-Channel 6063 Aluminum 6063 T52 U-Channel U-Channel Profile Type Architectural 8 ft Overall Length Length Tolerance +/-1.000 in 1/2 in Outside Leg Length Outside Leg Length Tolerance +/-0.009 in 3/8 in Inside Base Width Inside Base Width Tolerance +/-0.009 in Leg Thickness 0.062 in Leg Thickness Tolerance +/-0.006 in Leg Inside Corner Shape Square Heat Treatment Tempered Heat Treatable Yes Mechanical Finish Mill Yield Strength 21 000 psi Tensile Strength 27 000 psi