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Aluminium-Silicon casting alloys are widely used in automotive and aircraft industries because of their excellent properties such as low density, high strength-to-weight ratio, high corrosion resistance, good impact resistance, good thermal conductivity, and high wear resistance. It is mainly used to adjust the silicon content of wrought aluminium alloys and AlSi foundry alloys. The addition of certain elements, such as calcium, sodium, strontium, and antimony, to aluminium-silicon alloys gives a fine eutectic structure or finer fibrous form. Aluminium Silicon is the one of the most clever option to add silicon into liquid aluminium with a high efficiency, cleanliness, consistency, accuracy, energy and time savings. The most common Aluminium Silicon Grade is known as AlSi50/50, which has 50% Aluminium and 50% Silicon content in it and it is generally in Waffle Ingot in shape, other common grades are AlSi20, AlSi25, and AlSi30, that these numbers next to each grade are showing the Silicon content with the balance of Aluminium.