相当于5A06.
AlMg6
Si ≤0.4%, Fe ≤0.4%, Cu ≤0.1%, Mn 0.5-0.8%, Mg 5.8-6.8%, ZN ≤0.2%, Ti≤0.1%, Be 0.0002-0.005%.
5A06
Si ≤0.4%, Fe ≤0.4%, Cu ≤0.1%, Mn 0.5-0.8%, Mg 5.8-6.8%, ZN ≤0.2%, Ti 0.02-0.1%, Be 0.0001-0.005%.