In response to the growing demand for nitriding Paulo has added a new precision controlled nitriding furnace.  Also known as vacuum nitriding the equipment is similar to a vacuum heat treatment furnace but operates at lower temperatures and without quenching capability, which produces minimal distortion. The recently installed furnace has a 6,000lb capacity and a work zone that measures 70”lx47”wx39”h. Process controls allow Paulo to meet specific requirements with respect to which nitride phases are formed and to what depth.
Vacuum Nitrider
The furnace has been installed and startup testing is underway. Processing of a variety of materials including carbon, alloy and tool steels and certain stainless grades will follow. This furnace is also capable of vacuum (protective atmosphere) tempering, which prevents oxidation during the tempering process.
The popularity of nitriding as a surface treatment has been growing over the last few years and this investment positions Paulo to continue to support our customers and their continued success. Common applications of precision controlled nitriding are transmission components, gears, tools, and molds. Contact us to get started on your next nitriding job.
Founded in 1943, Paulo is one of the largest providers of heat treating, brazing, and metal finishing solutions in North America. Headquartered in St. Louis, Paulo operates six divisions servicing the Midwest and Southeast regions of the United States and northern Mexico.

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