Chemical composition
Al: aluminum allowance
Si Si: 0.20 ~ 0.60
Copper Cu: 0.10
Magnesium Mg: 0.45 ~ 0.9
Zinc and zinc: 0.10
Manganese Mn: 0.10
Ti Ti: 0.10
Chromium Cr: 0.10
Iron Fe: 0.35
Individual: a total of 0.05:0.15
Mechanical properties of

Tensile strength of sigma b (MPa) : 130 ~ 230
6063 the ultimate tensile strength of 124 MPa
Tensile yield strength 55.2 MPa
Elongation 25.0%
Elastic coefficient 68.9 GPa
The bending ultimate Strength of 228 MPa Bearing Yield Strength 103 MPa
Poisson's ratio of 0.330
Fatigue strength of 62.1 MPa
Solid solution temperature: 520 ℃
Annealing temperature: 415 ℃ x (2-3) h at 28 ℃ / h cooling speed from 415 ℃ to 260 ℃.
Melting temperature: 615 ~ 655 ℃.
Specific heat capacity: 900
Heat treatment process:
Process fine