World’s Largest Commercial Vacuum Furnace Completes Successful First Run


Solar Atmospheres of Western PA, a premier heat treating service, launched into operation its newest and largest vacuum furnace. In its inaugural cycle, the 48-foot furnace successfully vacuum heat-treated nickel alloy components while preserving the crucial elements of brightness and cleanliness. The state-of-the-art vacuum furnace has the ability to apply tight pyrometric controls to ±10°F. The innovative U.S. patented load car design prevented distortion of the more than 40-foot-long tubes. Due to the furnace’s increased efficiency, the total cycle time for this thermal process will be reduced by two days compared to traditional furnace designs. Solar Atmospheres of Western PA is confident its brand-new 48-foot vacuum furnace will consistently surpass customers’ expectations.