Description

aluminum tube, aluminum pipe alumimum extrusion tube Characteristic parameter table Grades Standards Tensile strength σb (MPa) Elongation δ*0% Elongation δ5% Characteristics and scope of application Al ***0A GB/T***7.*****0 ***5 ≥*2 ≥*5 Industrial pure aluminum, with high plasticity, corrosion resistance, electrical conductivity and thermal conductivity, but low intensity, heat treatment can not be strengthened and not be cut; can gas welding, welding and exposure to hydrogen atoms welding, brazing can not afford; vulnerable processing and extension of various pressures, bending. Al ***0A GB/T********8 ***5 ≥*2 ≥*5 Detection of parameter table Serial number Test items Units of measurement Monitoring data 1 Internal and external surface quality Clean 2 The inner surface of dust concentration in g/ ≤0.**7 3 Inside surface roughness ≤Ra0.*0 4 Water content g/ ≤0.*2 5 Tensile strength Mpa ≥*0 6 Iron % 0.*2 7 Silicon % 0.*2 8 Copper % 0.*1 9 Pressure test ≥1.3Mpa/*6 *0 Elongation % ≥*7%