Products Description

As the core container that carries chemical reactions and physical smelting, the quality of the crucible directly determines the success or failure of the final product. Our machined tantalum crucibles are high-performance solutions designed to meet these demanding requirements.

Tantalum, as a refractory metal, has an extremely high melting point (2996°C) and excellent corrosion resistance. Its chemical stability is comparable to that of the precious metal platinum. The manufacturing method of "machining" gives tantalum crucibles unparalleled precision and structural integrity. We use high-quality tantalum rods or tantalum ingots as raw materials and perform precision machining through advanced CNC turning centers. Unlike crucibles that are stamped or welded from sheet metal, the one-piece machining process "carves" the final shape from a solid metal blank, ensuring that the product is completely uniform from inner to outer walls, with no welds, no inclusions, and no hidden porosity defects.

This integrated structure is the core value of machined tantalum crucibles. In applications involving high vacuum or ultra-high temperatures, any tiny weld or uneven material stress can become a weak link, leading to leaks or early failure. Our machined crucibles perfectly avoid these risks and provide extremely high structural reliability and dimensional stability. Its surface can achieve extremely high smoothness, which is not only easy to clean but also effectively prevents sample contamination, which is crucial for processes that are extremely sensitive to impurities such as semiconductor material purification, optical glass melting, and high-purity metal alloy preparation.

The flexibility of the machining process is also reflected in the ability to customize. Whether you need a precision crucible for miniaturized experiments or an industrial-grade container with special wall thickness and complex geometric features, we can achieve precise control of the inner diameter, outer diameter, height, wall thickness, and bottom shape according to your drawing requirements. We specialize in tailor-made solutions for your specific process needs, ensuring that each crucible is a perfect fit for your production or experimental environment. Through strict raw material control and precise processing, we are committed to providing high-performance, durable machined tantalum crucibles to help you achieve success in every high-temperature experiment and production. Our products have been widely proven in high-end fields such as rare earth smelting, crystal growth, and electron beam melting, and we are your reliable partner when facing the toughest high-temperature and corrosive challenges.

product parameters

Products name	Machined Tantalum Crucible
Grade	Ta1/Ta2/Ta-2.5W/Ta-10W
OD	5 mm-600mm/customized
Height	5 mm-900 mm/customized
Wall Thickness	1 mm-30 mm/customized
Surface Treatment	Machined original surface, finely polished, or alkali-washed surface
Availability status	Available in annealed state or hard state.
Standard shapes	cylindrical, conical, rectangular, boat-shaped
Customized Features	Covers, stiffeners, specific chamfers or bottom shapes (flat bottom, round bottom, cone bottom) can be added as required.
MOQ	1PCS
Certifications	ISO9001:2015/CE