A complete QC lab for heat-treated metal parts should not be planned as a random equipment purchase. It should be built around the real inspection workflow: sample receiving, hardness testing, sample cutting, mounting, grinding, polishing, microscope analysis, case depth testing, calibration verification, and final report export. For basic heat treatment inspection, a Rockwell hardness tester and calibration blocks may be enough. For carburized, nitrided, and induction-hardened parts, Micro Vickers testing and sample preparation equipment are often necessary. For customer audits and export orders, digital reports and traceable records become even more important. If your factory is planning to build or upgrade a heat-treated parts QC lab, share your parts, material grades, heat treatment process, testing standards, and report requirements before ordering. A complete equipment list can help reduce missing configurations and improve long-term inspection reliability.