Energy consumption grading for industrial electroheat installations—Part 43:Box-type resistance furnace
全国工业电热设备标准化技术委员会(SAC/TC 121)
GB/T 30839的本部分规定了箱式电阻炉能耗分等的通用要求，包括箱式电阻炉能耗参数、能耗范围、能耗参数等级划分及其指标以及试验方法。
本部分适用于对工件进行正火、回火、退火、淬火等热处理及其他用途的工业用箱式电阻炉能耗分等指标的确定。
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