Molybdenum sheet is a thin flat material produced from metallic molybdenum, typically ranging from 0.01 mm to 2 mm in thickness. Owing to its exceptional high-temperature stability, corrosion resistance, and strong mechanical properties, it is widely used in electronics, aerospace, high-temperature furnaces, and chemical processing.
These sheets can be manufactured in rectangular, circular, or fully customized shapes, with widths from 10 mm to 1000 mm and lengths up to 2000 mm, or cut to size as required.
With a density of 10.28 g/cm³, molybdenum sheet offers a very high melting point, a low thermal expansion coefficient, high tensile strength, excellent ductility, and strong creep resistance. At room temperature, it resists corrosion from dilute acids (such as hydrochloric acid) and alkalis, performing noticeably better than iron.
Molybdenum sheet is produced mainly by powder metallurgy or rolling.
In powder metallurgy, high-purity molybdenum powder is compacted under high pressure to form billets, which are then sintered at around 2000°C in a vacuum or hydrogen atmosphere, reaching 90–95% of theoretical density. Hot forging or hot rolling is then used to further densify the material, followed by cold rolling to achieve thicknesses of 0.01–1 mm. A final annealing step relieves internal stress, and polishing or pickling ensures a clean, smooth surface.
The rolling route involves both hot and cold rolling stages. Throughout production, spectral analysis, mechanical testing, microstructural examination, and surface inspection are performed to ensure dimensional accuracy and reliable performance.
Thanks to its outstanding properties, molybdenum sheet plays an essential role in many advanced industries.
In the electronics and information sector, it serves as sputtering targets for thin-film deposition, as substrates with thermal expansion compatibility to silicon, or as lead frames—applications that demand high purity and excellent flatness.
In high-temperature furnaces, molybdenum sheet is used for heat shields, heating elements, and structural connectors, taking full advantage of its high melting point and thermal conductivity.
In sapphire crystal growth furnaces, molybdenum covers and reflectors help protect and stabilize the growth process due to their thermal expansion compatibility with the system.