At SS Heat Treaters in Bengaluru, we offer state-of-the-art sealed quenching services, a highly controlled heat treatment process designed to deliver superior metallurgical properties without the common drawbacks of traditional open-air quenching. This process is ideal for components that require precise hardness, uniform case depth, and a pristine surface finish, free from oxidation, decarburization, or scaling. By utilizing a sealed, oxygen-free environment, we ensure the integrity and aesthetic quality of your most critical parts.

The sealed quenching process is performed in a specialized furnace where the atmosphere is meticulously controlled. The key steps include:

1. Controlled Heating: Components are loaded into a sealed furnace chamber. An inert or controlled atmosphere, often an endothermic gas, is introduced to prevent any reaction with the metal’s surface.
2. Soaking: The parts are heated to a specific austenitizing temperature and held for a set duration, ensuring uniform heat penetration and microstructure transformation.
3. Quenching: The components are then rapidly transferred to a separate, sealed quenching chamber. The quench media, typically oil or polymer, is maintained at a controlled temperature and agitated to achieve a consistent cooling rate.
4. Tempering (Post-Quench): After quenching, parts are tempered to relieve internal stresses and achieve the final desired hardness and toughness.