This document stipulates the quality classification principles, classification indicators, sampling inspection methods, determination and document management of heat treatment resistance furnaces. This document is applicable to heat treatment resistors of common typical furnace types such as well-type resistance furnaces, box-type resistance furnaces, trolley-type resistance furnaces, box-type quenching resistance furnaces, electric heating bath furnaces, and push-type resistance heating units (hereinafter referred to as push-type resistance heating units). Furnace quality grading activities.
T/CEEIA 698-2023 history
2023T/CEEIA 698-2023 Specifications for quality grade of heat treatment resistance furnaces