The 4xxx series contains silicon as its main alloying aspect, which makes it one among the simplest forms to weld. These alloys tend to be Utilized in the automotive business. The 5xxx series is noted for its significant energy and very good formability, as well as its exceptional corrosion resistance. https://aluminium-alloys66543.bloguetechno.com/aluminium-alloys-fundamentals-explained-67679679