English: Tensile specimens made from an aluminum alloy. The left two specimens have a round cross-section and threaded shoulders. The right two are flat specimen designed to be used with serrated grips.
Français : Eprouvettes de traction en alliage d'aluminium.
{{Information |Description={{en|Tensile specimens made from an aluminum alloy. The left two specimens have a round cross-section and threaded shoulders. The right two are flat specimen designed to be used with serrated grips.}} {{fr|Eprouvettes de tractio