1. 1000 series aluminum rods represent 1050, 1060, and 1100 series. Among all series, 1000 series has the highest aluminum content. The purity can reach more than 99.00%. Since it does not contain other technical elements, the production process is relatively simple and the price is relatively cheap. It is the most commonly used series in conventional industries. Most of the 1050 and 1060 series are in circulation on the market. The 1000 series aluminum rods determine the minimum aluminum content of this series based on the last two Arabic numerals. For example, the last two Arabic numerals of the 1050 series are 50.