March 3 marked the 176th birthday of William Chandler Roberts-Austen (3 March 1843 – 22 November 1902). Austen was an English metallurgist known for his work in physical metallurgy. He invented an automatic recording pyrometer and played a key role in the development of the binary phase diagram. Read more ...
Abrasive blasting works by placing a part in a blast cabinet and bombarding the part surface with an abrasive media ... read more
NATIONAL HEAT TREAT operates five batch atmosphere furnaces, each equipped with an integral oil quench ... read more
Box furnaces are used for a variety of operations including tempering, annealing, and normalizing ... read more
GAS NITRIDING is a surface hardening process in which nitrogen is diffused into the surface of a part to create ... read more
OPEN FIRE HEAT TREATING is done in a furnace with an oxidizing atmosphere. Open Fire treatment can lead ... read more
TESTING AND INSPECTION
National HEAT TREAT offers a wide range of testing and inspection procedures, performed in our own ... read more