Molybdenum wire is a valuable industrial metal with a high melting point, used in various products such as automotive and aviation components, light bulbs, and high-temperature furnaces. It provides structural support at high temperatures and can be coated or cleaned. The wire comes in sizes from 0.001 inch to 0.25 inch and is similar in appearance to lead.
Molybdenum is a silvery colored metal with properties that make it one of the most valuable industrial metals. It melts at 4.753 degrees Fahrenheit (2.623 degrees Celsius) – one of the highest melting points of any metal – and has the ability to withstand very high temperatures and pressures without softening or expanding much. These properties make molybdenum wire useful in various products, such as automotive and aviation components, electrical vacuum devices, light bulbs, heating elements, and high-temperature furnaces. Molybdenum wire can also be used for printer needles and other printer parts. Depending on the use of the molybdenum wire, it can consist of pure molybdenum, a mixture of molybdenum and other materials such as potassium silicate, or alloys of molybdenum and other metals, such as tungsten.
Molybdenum wire is often used to make parts that provide structural support, even at very high temperatures. For example, it is commonly used for various furnace components, such as heating elements, outlets, and windings. Its high melting point makes molybdenum wire suitable for specialized high temperature hydrogen atmosphere or vacuum furnaces.
Another common use for molybdenum wire is as parts for light bulbs. For example, it can be used in making holders for tungsten lamp filaments, making wires for halogen bulbs, and making electrodes for gas discharge lamps and tubes. This type of wire is also used in airplane windshields, where it acts as a heating element, providing defrosting. Molybdenum wire is also used in the manufacture of electron tubes and power tube grilles.
The surface of the wire can be cleaned or coated. The coated wire is black in color because it is covered with oxides and lubricants. The tensile strength of the thread is often an important consideration in manufacturing and also affects the appearance of the thread: the higher the tensile strength, the less straight the thread.
Molybdenum wire commonly comes in sizes from 0.001 inch (0.025 mm) diameter to 0.25 inch (6.35 mm) diameter. Its size can be measured in inches or mils, with 1 mil being one-thousandth of an inch. For very fine wire, the size is expressed as the weight of a certain length of wire, rather than the diameter. Molybdenum is similar in appearance to lead and even received its name from the Greek word for lead, molybdos, because it was often mistaken for lead in ancient times.
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