Category: News Articles

Age hardening of martensite, or maraging, depends on the occurrence of a thermal hysteresis of phase transformations, whereby the reversion of martensite to austenite during reheating occurs at a higher temperature range than the temperature range for martensite formation during cooling.

Lake City Heat Treating, Warsaw, Ind., announces the construction of a 6000 square foot addition to its facility in Warsaw to support its continued growth in production and to expand its heat treating capabilities.

Harper Intl., Buffalo, N.Y., announces the launch of the HC Series configurable rotary furnaces, for which customers can select specifications online.

Nucor Corp., Charlotte, N.C., announces that it will invest $240 million to construct a galvanizing line at the company's sheet mill in Arkansas to support Nucor's growth into a wider and more diverse set of strategic end-market applications.

Alcoa Corp., Pittsburgh, and Rio Tinto, London, announce a revolutionary aluminum smelting process that produces oxygen and eliminates all direct greenhouse gas emissions.

Carburizing and quenching are two common, and often essential, processes performed in atmosphere heat-treating systems.