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Non-ferrous metals
2024-12-25
Non-ferrous metals, in a narrow sense, are also known as non-iron metals, referring to all metals except iron (sometimes excluding manganese and chromium) and iron-based alloys. They can be divided into heavy metals (such as copper, lead, zinc), light metals (such as aluminum, magnesium), precious metals (such as gold, silver, platinum), and rare metals (such as tungsten, molybdenum, germanium, lithium, lanthanum, uranium). In a broad sense, non-ferrous metals also include non-ferrous alloys, which are alloys formed with one non-ferrous metal as the matrix (usually greater than 50%) and the addition of one or more other elements.
Non-ferrous metals are the basic materials for national economic development. Most industries such as aviation, aerospace, automotive, machinery manufacturing, electricity, communications, construction, and home appliances rely on non-ferrous metal materials as their production foundation. With the rapid advancement of modern chemistry, agriculture, and science and technology, the status of non-ferrous metals in human development is becoming increasingly important. They are not only important strategic materials in the world and essential production materials but also crucial materials for consumption in human life.
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