One Minute Mentor: Salt Bath Furnaces

August 12, 2022
Source: ASM International

One Minute Mentor: Salt Bath Furnaces

Molten salts of various compositions are well adapted to all operations in the heat treatment of tool steels. For tools that cannot be ground after hardening or for tools that require an excellent surface condition and the maintenance of sharp edges, salt bath heating provides excellent results.

Continue reading

One Minute Mentor: Preheating for Austenitizing

July 27, 2022
Source: ASM International

One Minute Mentor: Preheating for Austenitizing

Preheating normally is employed as a safeguard against the cracking and extreme distortion resulting from the thermal shock undergone by a cold workpiece when it is exposed to the high temperature of the austenitizing furnace.

Continue reading

Steel Dynamics announces new state-of-the-art low carbon aluminum flat rolled mill


Source: ASM International

Steel Dynamics announces new state-of-the-art low carbon aluminum flat rolled mill

Steel Dynamics, Fort Wayne, Ind, announced that it will construct and operate a 650,000-tonne low-carbon, recycled aluminum flat rolled mill, with two supporting satellite recycled aluminum slab centers. The capital investment is estimated to be $2.2 billion for the three facilities, and commercial production is planned to begin in the first quarter 2025.

Continue reading

Nitrex delivers vacuum furnace to international aircraft provider


Source: ASM International

Nitrex delivers vacuum furnace to international aircraft provider

Nitrex Vacuum, Quebec, recently shipped a new large vertical vacuum furnace to a major aircraft engine maintenance, repair, and overhaul facility in South America. The system was purchased to modernize the plant, meet quality standards and accreditations, and produce specially designed recipes.

Continue reading

One Minute Mentor: Austenitizing

July 12, 2022
Source: ASM International

One Minute Mentor: Austenitizing

Austenitizing is the most critical of all heating operations performed on tool steels. Along with quenching it will usually be referred to as the hardening step in tool steel heat treatment and, associated with tempering, will be responsible for the final properties.

Continue reading