Penna Flame Industries (Pittsburgh, Pa.) had added induction hardening to its list of surface hardening capabilities.

Penna Flame Industries (Pittsburgh, Pa.; www.pennaflame.com) had added induction hardening to its list of surface hardening capabilities. Along with the addition of induction hardening, Penna Flame also now offers single tooth contour gear hardening ensuring the longevity of gears tooth by tooth. Established in 1968, Penna Flame Industries serves the metals industry with flame hardening and roll manufacturing capabilities.