M3848 Aluminum Rectangle Tube 6 in Overall L

M3848 Aluminum Rectangular Tube 6061 Aluminum 6061 T6 Rectangle 6 in Overall Length 2 3/4 in Inside Width 1 3/4 in Inside Height 3 in Outside Width 2 in Outside Height 0.125 in Wall Thickness Wall Thickness Tolerance +/-0.008 in Fabrication Extruded Heat Treatment Tempered Heat Treatable Yes Mechanical Finish Mill Yield Strength 40 000 psi Tensile Strength 45 000 psi 95 Brinell Hardness B60 Rockwell Hardness Includes Material Certificate Yes Standards ASTM B221