... have any problems about the tube , you can contact with us directly,Characteristic parameter tableGradesStandardsTensile strength σb (MPa) ... applicationδ10%δ5%Al107060-95≥22≥25Industrial pure aluminum, with high plasticity, corrosion resistance, electrical conductivity and thermal conductivity ... 1610Elongation%≥37%sale manager : Ms,amy song Square air conditioner tube1070