Aluminium alloy 6063A is a variation of 6063 but with greater strength.
It still retains the same good surface finish qualities and affinity for anodising as 6063.
| Product Form | Size Range | Size Range |
|---|---|---|
| From | To | |
| Flat Bar | 3⁄8" x 1⁄8" | 6" x 1" |
| Tube | 3⁄8" OD x 16swg | 6 1⁄2" OD x 1⁄4" |
| Channel | 3⁄8" x 3⁄8" x 1⁄16" | 10" x 3" x 3⁄8" x 1⁄2" |
| Tee Section | 1⁄2" x 1⁄2" x 1⁄16" | 3" x 3" x 3⁄8" |
| Equal Angle | 3⁄8" x 3⁄8" x 1⁄16" | 6" x 6" x 1⁄2" |
| Unequal Angle | 3⁄4" x 1⁄4" x 1⁄16" | 6" x 3" x 3⁄8" |
Aluminium alloy 6063/6063A also corresponds to the following standard designations and specifications but may not be a direct equivalent:
The most common temper for 6063 aluminium are:
| Chemical Element | % Present |
|---|---|
Manganese (Mn) | 0.00 - 0.15 |
Iron (Fe) | 0.15 - 0.35 |
Magnesium (Mg) | 0.60 - 0.90 |
Silicon (Si) | 0.30 - 0.60 |
Zinc (Zn) | 0.00 - 0.15 |
Titanium (Ti) | 0.00 - 0.05 |
Chromium (Cr) | 0.00 - 0.15 |
Copper (Cu) | 0.00 - 0.05 |
Other (Each) | 0.00 - 0.05 |
Others (Total) | 0.00 - 0.15 |
Aluminium (Al) | Balance |
| Mechanical Property | Value |
|---|---|
Proof Stress | 190 Min MPa |
Tensile Strength | 230 Min MPa |
Elongation A50 mm | 5 Min % |
Hardness Brinell | 80 HB |
Elongation A | 7 Min % |
| Mechanical Property | Value |
|---|---|
Proof Stress | 160 Min MPa |
Tensile Strength | 220 Min MPa |
Hardness Brinell | 80 HB |
Elongation A | 7 Min % |
| Mechanical Property | Value |
|---|---|
Proof Stress | 190 Min MPa |
Tensile Strength | 230 Min MPa |
Elongation A50 mm | 5 Min % |
Hardness Brinell | 80 HB |
Elongation A | 7 Min % |
| Mechanical Property | Value |
|---|---|
Proof Stress | 190 Min MPa |
Tensile Strength | 230 Min MPa |
Elongation A50 mm | 5 Min % |
Hardness Brinell | 80 HB |
Elongation A | 7 Min % |
| Mechanical Property | Value |
|---|---|
Proof Stress | 180 Min MPa |
Tensile Strength | 220 Min MPa |
Elongation A50 mm | 4 Min % |
Hardness Brinell | 80 HB |
Elongation A | 5 Min % |
| Physical Property | Value |
|---|---|
Density | 2.70 g/cm³ |
Melting Point | 600 °C |
Thermal Expansion | 23.5 x 10-6/K |
Modulus of Elasticity | 69.5 GPa |
Thermal Conductivity | 200 W/m.K |
Electrical Resistivity | 0.035 x 10-6 Ω .m |
6063 is suitable for all conventional welding methods. Welding wire generally should be alloy 5183 or alloy 4043. When maximum electrical conductivity is required use alloy 4043.
For strength and conductivity use alloy 5346 and increase the size of the weld to compensate for the lower conductivity.
| Process | Rating |
|---|---|
| Weldability - Gas | Excellent |
| Weldability - Arc | Excellent |
| Weldability - Resistance | Excellent |
| Brazability | Excellent |
| Solderability | Excellent |
| Process | Rating |
|---|---|
| Workability - Cold | Average |
| Machinability | Average |
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