Mo, TZM, pure Ta, W, WHA


As a world leader in the development and manufacture of high-performance metal powders, H.C. Starck Solutions offers one of the most comprehensive and robust product portfolios ever assembled. With a mastery of metallurgic processing and unsurpassed technical expertise, H.C. Starck Solutions can reliably meet and exceed customer expectations and market requirements with a suite of tailor-made, high-performance powders suitable for a wide range of market sectors.


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    H.C. Starck Solutions is synonymous with exceptional quality powder materials based on advanced metals and their alloys. These include, but are not limited to:

    • Pure molybdenum (Mo) and titanium-zirconium-molybdenum (TZM).
    • Pure tantalum (Ta).
    • Pure tungsten (W) and tungsten heavy alloy (WHA).

    Leader in Molybdenum Powders

    H.C. Starck Solutions offers a wide variety of molybdenum powder in the size and purity to match any customer‘s requirements. From extremely fine Metal Injection Molding powder (MIMP) to flowable Ready-To-Press powder (RTP). Stringent specifications for molybdenum powders can be met by H.C. Starck Solutions‘ expansive powder production capabilities.
    Molybdenum alloy powders are available such as TZM (Mo-0.5Ti-0.1Zr) and MHC (Mo-1.2Hf-0.1C), or oxide dispersion strengthened alloys such as MoLa (Mo-1.0La2O3). Custom alloys are available per customer request.

    Key Advantages:

    • Widest range of Mo powder sizes and morphologies
    • Customized properties based on customer specification
    • High Purity
    • Quantities available from laboratory scale up to high volume automated manufacturing
    • Alloy powders and Molybdenum-based compounds
    • Research and Development services for custom powders and alloys

    Quality-Assured High-Performance Powders

    H.C. Starck Solutions quality-assured materials development and processing capabilities ensure that high-performance powders can be generated to specific customer requirements with exceptional material properties. This includes: uniform, spherical powder morphology with tight control of particle size distributions (PSDs); exceptional flowability; high reproducibility; and outstanding purity levels.

    Tungsten metal powders are produced by reducing tungsten oxides (WOx) in a controlled hydrogen atmosphere. Tight control of process temperature, humidity, and additional dopants enables H.C. Starck to finely tune the coarseness of tungsten high-performance powders before additional carburization processes occur. This enables a diverse range of powder grades with average Fisher grain sizes across an approximate range of 0.7—50 micrometers (µm). H.C. Starck Solutions molybdenum powders are similarly produced in a hydrogen atmosphere, using molybdenum trioxide (MoO3) and ammonium molybdates. This is a finely-tuned process that enables the generation of high-performance molybdenum powders with a mean particle size of 20—30 µm.

    World-class application technology and laboratory services enable H.C. Starck Solutions to tightly control the processing parameters for a range of refractory metals. This forms the backbone of H.C. Starck Solutions customer-specific powder design capabilities. If you would like to learn more, simply contact a member of the team today.