Knowledge

Aluminium Al: surplus; silicon Si:0.25; copper Cu:0.10; magnesium Mg:2.2~2.8; zinc Zn:0.10;

Keywords manganese Mn:0.10; chromium Cr:0.15~0.35; Iron Fe:0.4 0.

Tensile strength (σb): 170~305MPa

Conditional yield Strength σ0.2 (MPa) ≥65

Elastic modulus (E): 69.3~70.7Gpa Annealing temperature is: 345 ℃.