aluminium profile for curtain wall

ChemicalComposition(%)Alloy Si Fe Cu Mn Mg Cr Zn Ti Others Al 6061 0.40-0.80 0.70 0.15-0.40 0.15 0.80-1.20 0.04-0.35 0.25 0.15 0.15 remainder 6063 0.20-0.60 0.35 0.10 0.10 0.45-0.90 0.10 0.10 0.10 0.10 remainder MechanicalPropertyAlloy Temper TensileStrength YieldStrength Elongation 6063 T5 >160Mpa >110Mpa >8% 6063 T6 >205Mpa >180Mpa >8% 6061 T6 >265Mpa >245Mpa >8% Anodized oxidelayer (averagethickness) AA10 ≥10μm AA15 ≥15μm sealingquality ≤30mg/dm2 ElectrophoreticCoating compositelayer (averagethickness) A ≥21μm B ≥16μm layerhardness ≥3H girdtest ≥0 PowderCoating minimumlocalthickness ≥40μm indentationhardness ≥80 girdtest ≥0