Commonly known as an architectural alloy, Alloy AA 6063 provides a good balance of extrudability and mechanical properties. Its excellent extrudability allows thin-walled hollow shapes, intricate solids, and other shapes that are usually difficult to extrude with a satisfactory finish, to be produced more easily. It responds well to polishing, chemical brightening, anodising and dyeing. It also has a high degree of resistance to corrosion.
WELDING | Alloy 6063 is readily welded by the mig and tig processes. Alloy 5356 is the recommended filler alloy, particularly when welding exposed surfaces that will be anodised for decorative purposes. Alloy 4043 may be used in other cases. |
RIVERTS | Alloy 6053-T61 |
MACHINING | Readily machined in all tempers given |
FORMING | All tempers may be formed, the softer tempers accepting more severe forming |
CORROSION | Excellent resistance to the atmosphere. Particularly suitable for anodising for architectural applications |
EXTRUSIONS | T4, T5, T6 |
SILICON (Si) | IRON (Fe) | COPPER (Cu) | MAGANESE (Mn) | MAGNESIUM (Mg) | CHROMIUM (Cr) | ZINC (Zn) | TITANIUM (Ti) | OTHERS (Each) | OTHERS (Total) | ALUMINIUM (Al) |
---|---|---|---|---|---|---|---|---|---|---|
0.20-0.60 | 0.00-0.35 | 0.00-0.10 | 0.00-0.10 | 0.45-0.95 | 0.00-0.10 | 0.00-0.10 | 0.00-0.10 | 0.00-0.05 | 0.00-0.15 | REMAINDER |
TEMPER | THICKNESS (mm) | ULTRA STRENGTH Min. | 0.2% STRESS | HARDNESS BRINELL (HB) | HARDNESS BRINELL (HB) | |
---|---|---|---|---|---|---|
Min. (Mpa) | Max. (Mpa) | |||||
T4 | UP TO 12.50 | 115 | 60 | - | 12 | 40 |
12.50-25.00 | 110 | 55 | - | 12 | - | |
T5 | UP TO 12.50 | 150 | 110 | - | 8 | 60 |
12.50-25.00 | 145 | 105 | - | 8 | - | |
T6 | UP TO 12.50 | 205 | 170 | - | 8 | 80 |
12.50-5.00 | 205 | 170 | - | 10 | - |
DENSITY | MELTING POINT | OEFFICIENT OF LINEAR EXPANSION BETWEEN 20 - 100°C | SPECIFIC HEAT BETWEEN 20-100°C |
---|---|---|---|
2.71 g/cm3 | 6.15-655 °C | 23 x 10 -6 / K | 879 J/kg.K |
MODULUS OF ELASTICITY | THERMAL CONDUCTIVITY AT 25°C | ELECTICAL RESISTIVITY AT 20°C |
---|---|---|
69 x 103 MPa | 2.02 W/cm.K | 0.033μΩmm |
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