Solar Atmospheres

Souderton,  PA 
United States
  • Booth: 2022

Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services. Through unmatched technical expertise, equipment, and quality assurance, Solar's thermal processing produces bright, scale-free parts with minimal distortion. For clients requiring an "out-of-the ordinary" application, an in-house R&D team of metallurgists and scientists develop innovative, custom process solutions. Solar serves over 18 metal working industries including aerospace, medical, and power generation. Our state-of-the art services include vacuum heat treating, brazing, carburizing, nitriding, and advanced processing of raw materials such as titanium, tantalum, and nano powders.  With over 60 furnaces ranging from lab sized to 48 feet long with a 150,000 lb. workload capacity, Solar can efficiently handle any size job. Solar operates plants in Souderton, PA, Hermitage, PA, Fontana, CA, and Greenville, SC. Nadcap, ISO 9001:2008 /AS9100C, ITAR, and MedAccred Certified.

 Press Releases

  • Solar Atmospheres Southeast Vacuum Furnace Capacity

    Greenville, SC, January 11, 2016 - Solar Atmospheres newest facility in Greenville, South Carolina has a wide range of vacuum processing capacity now available.  From furnaces suited for small lots and development cycles to a 24 foot long vacuum chamber capable of processing up to 50,000 lbs at 2650°F.  All backed by AS9100 and Nadcap quality systems to provide the assurance that your product is being processed as it should be.

    A sampling of the processing capability offered at the Greenville, SC location:

    • Current vacuum furnace capability:

    Hot Zone Dimensions

    Max Temperature

    Max Load (lbs)

    24” wide x 24” high x 36” deep (10 bar)

    2650°F / 1454°C


      36” wide x 36” high x 48” deep (2 bar)

    2500°F / 1370°C


    36” wide X 36” high X 48” deep (10 bar)

    2500°F / 1370°C


    54” wide X 54” high X 288” deep (2 bar)

    2650°F / 1454°C


    • Wide range of processing options including vacuum carburizing and cryogenic processing
    • Metallurgical testing laboratory to provide product and process validation from surface hardness testing to microstructure evaluation

    President Steve Prout states, “the US Southeast continues to grow and attract manufacturers supporting a broad range of market sectors.  We are proud to be a supplier that is positioned to support this growth and we are excited to find ways to help our customers achieve their goals and contribute toward their success.”

    For additional information on our processing options and our capabilities, contact Mike Harper at, and visit us at


    Solar Atmospheres Southeast specializes in vacuum heat treating, vacuum brazing and vacuum carburizing services.  Using state-of-the-art furnace technology, Solar serves over 18 metal working industries including Aerospace, Medical, Automotive, and Power Generation. With processing expertise and responsive service, Solar processes small or large parts efficiently with a wide range of vacuum furnaces. Sizes range from lab furnaces to 24 feet long.  Solar's unique capabilities, consistent quality and responsive service produce bright scale-free parts with minimal distortion that are delivered on time.  With an in-house R&D team of metallurgists, Solar works with customers to develop innovative, custom solutions.  For more information, visit