A metal is a substance that has luster (ie, is strongly reflective to visible light), is ductile, and is easily conductive, thermally conductive, and the like. Most of the metal elements on earth exist in nature in a chemical state. This is because most metals are more chemically active, and only a very small number of metals such as gold and silver exist in a free state. Metals are widely found in nature and are widely used in life. They are a very important and widely used substance in modern industry.
Titanium looks like steel, has a silver-gray sheen, is a transition metal that has been considered a rare metal for some time. Titanium is not a rare metal. Titanium accounts for about 0.42% of the total weight in the earth's crust.
16 times the total amount of copper, nickel, lead and zinc. Ranked seventh in the metal world, with more than 70 minerals containing titanium. Titanium has high strength, low density, high hardness, high melting point and strong corrosion resistance; high-purity titanium has good plasticity, but becomes brittle and hard when impurities are present.
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