The chemical composition of 5052 aluminum: 
 Al of Al: margin; silicon Si: 0.25; copper Cu: 0.10; Magnesium Mg: 2.2 ~ 2.8; zinc of Zn: 0.10; Mn Mn: 0.10; chromium of Cr: 0.15 to 0.35; iron of Fe: 0.4 0. 
 Mechanical properties of 5052 aluminum 
 Tensile strength (σb): 170 ~ 305MPa conditions yield strength σ0.2 (MPa) ≥ 65 modulus of elasticity (E): 69.3 ~ 70.7Gpa annealing temperature: 345 ℃. 
 5052 aluminum use is mainly used to require a high plasticity and good weldability, low-load part of the work in the liquid or gaseous medium, such as mailboxes, gasoline or lubricants catheter, a variety of liquid containers and other deep drawing production load parts: wire used to make rivets. Also commonly used in transport vehicles, the sheet metal of the ship, meters, street lighting bracket with rivets, hardware, electrical appliances, such as Shell 

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