Material name:aluminium and aluminium alloy extruded rods
Carried Standard:GB/T 3191-1998
Chemical anaiysis: Al:margin, Si :0.40~0.8, Cu :0.15~0.40, Mg:0.8~1.2, Zn:≤0.25, Mn:≤0.03, Ti :≤0.15,Cr:0.04~0.35, Fe: 0.000~ 0.700,
Mechanical property:tensile strength σb (MPa)170~240 offset yield strength σ0.2 (MPa)≥70
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