it happens, much of this month’s coverage focuses on gears or the processes
used to harden them. This month’s article topics include nitriding, hardening
atmospheres, heating elements, furnace inspection, and gear materials and their
The 2017 April issue of Industrial Heating features our cover story, a comprehensive list of combustion resources, as well as part 2 of our rimfire firing-pin indent copper crusher series, and much more.