General Chemical Composition of the aluminum tube
Alumin um Grade
Si
Fe
Cu
Mn
Mg
Cr
Zn
Ti
impurity
Al
6063
0.2-0.6
<0.35
<0.1
0.45-0.9
<0.15
Rest
6061
0.4-0.8
0.7
0.15-0.4
0.8-1.2
0.04-0.35
<0.25
Mechanical Properties of Sections under Room Temperature
Aluminum Grade
Temper
Wall Thickness
Resist Pull Point(Mpa)
Stretch (Rpo.2 Mpa)
Stretch Rate
Webster Hardness
T5
All
160
110
8
T6
205
180
T4
16
265
245