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Name:6063
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Brief introduction: 6063
6063 aluminum is the most common choice for extrusion with its excellent extrudability, high corrosion resistance, and ability to be formed into complex shapes.
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Physical Properties of 6063 Aluminum

Here we can see the density of the alloy. Note that there is no difference in density between the T5, T6, and T832 tempers.

Property 6063-T5 6063-T6 6063-T832
Density 2.70 g/cc | 0.0975 lb/in³ 2.70 g/cc | 0.0975 lb/in³ 2.70 g/cc | 0.0975 lb/in³

Mechanical Properties of 6063 Aluminum

Here we can see the tensile strength, yield strength, and modulus of elasticity for both the T4 and T6 tempers.

Property 6063-T5 6063-T6 6063-T832
Tensile Strength 186 MPa | 27000 psi 241 MPa | 35000 psi 290 MPa | 42000 psi
Yield Strength 145 MPa | 21000 psi 214 MPa | 31000 psi 269 MPa | 39000 psi
Modulus of Elasticity 68.9 GPa | 10000 ksi 68.9 GPa | 10000 ksi 69.0 GPa | 10000 ksi

Thermal Properties of 6063 Aluminum

Here we can see some thermal properties of the alloy including the coefficient of thermal expansion and thermal conductivity. The T5, T6 and T832 tempers are included.

Property 6063-T5 6063-T6 6063-T832
Coefficient of Thermal Expansion @ 20.0 - 100 °C Temp 21.8 μm/m-°C | 12.1 μin/in-°F 21.8 μm/m-°C | 12.1 μin/in-°F 21.8 μm/m-°C | 12.1 μin/in-°F
Thermal Conductivity 209 W/m-K | 1450 BTU-in/hr-ft²-°F 200 W/m-K | 1390 BTU-in/hr-ft²-°F 200 W/m-K | 1390 BTU-in/hr-ft²-°F


Chemical Composition of 6063 Aluminum

This alloy is part of the 6000 series of alloys. As such, its major alloying elements are magnesium and silicon. Magnesium is added to increase strength, while the silicon is added to reduce the metal’s melting temperature. Here we can see the guidelines for the chemical composition of 6063 aluminum.

Element Minimum % Maximum %
Magnesium 0.45 0.9
Silicon 0.2 0.6
Iron No Min 0.35
Copper No Min 0.1
Manganese No Min 0.1
Chromium No Min 0.1
Zinc No Min 0.1
Titanium 0.0 0.1
Other Elements No Min 0.05 each
0.15 in total

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