AA 6063-T6 is an aluminium alloy, with magnesium and silicon as the alloying elements. The standard controlling its composition is maintained by The Aluminum Association. It has generally good mechanical properties and is heat treatable and weldable. It is NOT recommended to weld anodized aluminum.
Tensile strength (σt): 30,000 psi
Density (ρ): 0.10 lbs/in3
Melting temperature (Tm): 615 °C (1,139 °F)
Thermal conductivity (k): 201-218 W/m*K
Linear thermal expansion coefficient (α): 2.34*10−5 K−1