High Concentration × Keywords: Hardness Testing
2 jobs found.
Metal Base Material Inspector
Technical job that inspects surface and internal defects of metal materials using various testing methods.
Carburizing Quenching Tempering Worker
The Carburizing Quenching Tempering Worker performs a series of heat treatments including carburizing, quenching, and tempering to harden the surface of steel products, thereby improving their wear resistance and toughness.