Advanced Heat Treat Corp. (AHT) announced the completion of the 15,000-square-foot building expansion at its corporate headquarters in Waterloo, Iowa. Three new gas nitriding units are housed in the new addition in an effort to separate the gas nitriding equipment from the ion (plasma) nitriding units. There are plans to add a fourth gas nitriding unit by the end of the year.

AHT has four locations: two in Waterloo; one in Monroe, Mich.; and one in Cullman, Ala. AHT also plans to expand its other location in Waterloo, where traditional heat-treating services such as induction hardening and carburizing are offered.