Nonferrous metals include aluminum, magnesium, potassium, sodium, calcium, strontium, barium, copper, lead, zinc, tin, cobalt, nickel, antimony, mercury, cadmium, bismuth, gold, silver, platinum, ruthenium, rhodium, palladium, osmium, iridium, beryllium, lithium, rubidium and rubidium.

Nonferrous metals refer to all metals except iron, chromium and manganese. China listed iron, chromium and manganese as ferrous metals in 1958; 64 kinds of metals except iron, chromium and manganese are classified as non-ferrous metals.

Non-ferrous metal alloy refers to an alloy with non-ferrous metal as the matrix and one or more other elements added. Compared with pure metal, non-ferrous metal alloys have many advantages, such as higher hardness and strength, good mechanical properties and corrosion resistance.

Nonferrous metal alloys are widely used in automobile, building materials, electric power, 3C, machinery manufacturing and other industries. Non-ferrous metals in a narrow sense, also known as non-ferrous metals, are the general names of all metals except iron, manganese and chromium. Nonferrous metals in a broad sense also include nonferrous alloys.