From: Investigation of mechanical properties and surface roughness of friction stir welded AA6061-T651
Cu
Mg
Si
Fe
Ni
Mn
Zn
Pb
Sn
Ti
Cr
Va
Al
0.211
1.18
0.810
0.321
0.013
0.068
0.169
0.010
0.003
0.061
0.046
< 0.01
97.09