Aluminium 3005 alloy belongs to the 3000 series aluminum, mainly composed of manganese element as the other alloy content. It is a more commonly used alloy with good rust resistance. The most widely used in buildings is the 3000 series “aluminum-manganese alloys,” of which the 3003, 3004, 3005, 3103 and 3105 alloys are used in large.. read more →