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Definition of titanium wire
Titanium is a silvery white transition metal, located in Group Ⅳ B of the periodic table, with atomic number of 22 and relative atomic mass of 47.87. It can burn in nitrogen with high melting point. In 1791, it was discovered by William Gregor in Cornwall, England, and named after the Titan of Greek mythology by Martin Heinrich Klaproth. Sponge titanium is obtained by refining titanium bearing ores, and titanium ingots are formed after smelting sponge titanium.
Properties of titanium wire
The natural properties of titanium wire and titanium are consistent. It is characterized by light weight, high strength, metallic luster and good corrosion resistance. Due to its stable chemical properties, good resistance to high temperature, low temperature, strong acid and alkali, as well as high strength and low density, it is reputed as "space metal", "smart metal", "bio metal" and "versatile metal". Because of its high melting point, small specific gravity, high specific strength, good toughness, fatigue resistance, corrosion resistance, low thermal conductivity, good resistance to high and low temperatures, and low stress under rapid cooling and heating conditions, its commercial value began to be recognized in the 1950s, and it was used in high-tech fields such as aviation and aerospace. With the continuous promotion to chemical industry, petroleum, electric power, seawater desalination, construction, daily necessities and other industries, titanium metal is increasingly valued, known as "modern metal" and "strategic metal", and is an indispensable strategic material to improve the level of national defense equipment.
Titanium and titanium alloy wires usually refer to titanium products supplied in the form of disc, but also in the form of straight wire. As far as the diameter size is concerned, the division of rod and wire is not strict, and different countries have differences. The Chinese standard for wire "GB3623-83" only states that the diameter of titanium and titanium alloy wire is not more than 6mm.
Wire is mainly used as welding wire to produce springs, rivets, etc. It is widely used in aviation, marine, petrochemical, pharmaceutical and other fields.
1. Welding wire: At present, more than 80% of titanium and titanium alloy wires are used as welding wires. Such as welding of various titanium equipment, welded pipe, repair welding of aerojet engine turbine disk and blade, welding of casing, etc.
2. Due to its excellent corrosion resistance, titanium is widely used in chemical, pharmaceutical, paper and other industries, such as Tianjin Chemical Plant φ A filter screen is made of 3.2mm pure titanium wire.
3. Titanium and titanium alloy wires are used to manufacture fasteners, load-bearing components, springs, etc. due to their good comprehensive performance. For example, Xi'an High Pressure Valve Factory uses TC4 wire to make valve compression spring.
4. In the medical and health industry, titanium and titanium alloy wires are used to manufacture medical devices, implant crown fixation, skull fixation, etc.
5. Due to the shape memory function, some titanium alloys are used to make satellite antennas, shoulder pads for clothes, women's bras, etc.
6. Titanium and titanium alloy wires are used to manufacture various electrodes in electroplating and water treatment industries.
With the development of national economy, the demand for titanium and titanium alloy wire is increasing. There are many new fields and departments to be explored.
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