Parameters
General Chemical Compositin of Alloy
Alloy 6063(%) 6063A(%) 6061(%)
Silicon Si 0.20-0.60 0.30-0.60 0.40-0.80
Iron Fe 0.35 0.15-0.35 0.70
Copper Cu 0.10 0.10 0.15-0.40
Manganese Mn 0.10 0.15 0.15
Magnesium Mg 0.45-0.90 0.60-0.90 0.80-1.20
Chromium Cr 0.10 0.05 0.04-0.35
Zine Zn 0.10 0.15 0.25
Titanium Ti 0.10 0.10 0.15
Others(each) 0.05 0.05 0.05
Others(total) 0.15 0.15 0.15
Mechanical Properties of Sections under Room Temperature
Alloy State Tensile strength test Hardness test
Tensile strength δb Mpa Non-proportional Stretching rate Pattern thicknes HV HW
(δp0.2Mpa) (δ%) mm HV HW
No less than(≥)
6061 T4 180 110 16 - - -
T6 265 245 8 - - -
6063 T5 160 110 8 0.8 58 8
T6 205 180 8 - - -
6063A T5 200 160 5 0.8 65 10
190 150 5
T6 230 190 5 ————
220 180 4