6xxx · Al-Mg-Si · ASTM B221 / EN AW-6063
6063-T5 Aluminum
Best-in-class extrudability and surface finish. Preferred for architectural profiles and anodizing. Density ~2.70 g/cm³.
Density
2.70 g/cm³
2700 kg/m³
Yield (Rp0.2)
170 MPa
typical
Tensile (Rm)
205 MPa
typical
Elongation
9%
A
Modulus E
69 GPa
elastic
Hardness
73 HB
T5
α thermal
23.4×10⁻⁶/K
expansion
k thermal
200 W/m·K
conductivity
Density vs the 2.70 myth
True density for 6063-T5 Aluminum is 2.70 g/cm³. Using 2.70 introduces a 0.00% mass error.
1 m² × 10 mm plate (correct ρ)
27.00 kg
Same plate if ρ = 2.70
27.00 kg
Weldability
Good
Machinability
Good
Corrosion resistance
Excellent
Typical applications
- • Extrusions
- • Window frames
- • Anodized trim
- • Furniture
Engineering pitfalls
- • Lower strength than 6061-T6 for load-bearing frames
Compare & related
Values are typical handbook figures for the stated temper (T5) and are intended for preliminary engineering. Production design must use certified material data and applicable design codes. Standard reference: ASTM B221 / EN AW-6063.