Table 1 Chemical composition and mechanical properties of AA6061-T6.

From: Pre-weld friction stir processing mitigates hot cracking and strengthens AA6061 fusion welds

Chemical composition (Wt%)

Si

Mg

Fe

Cu

Mn

Cr

Ni

Ti

Zn

Al

0.617

0.949

0.404

0.197

0.0353

0.107

0.0055

0.0196

 > 0.0005

Balance

Mechanical properties

Tensile strength (MPa)

Elongation (%)

Hardness (HV, 100 g)

307

19

112