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研究易切削非调质塑料模具钢的淬透性。试验结果表明，在空冷条件下该钢的表面和芯部的硬度相差不大，淬透性模拟结果显示当直径小于１００ｍｍ时，其芯部的空冷硬度可达ＨＲＣ２８。
Study of hardenability of non-quenched and tempered plastic mold steel. The experimental results show that the hardness of the steel surface and the core under air-cooling conditions are similar, and the simulation results of the hardenability show that the core air-cooling hardness can reach HRC28 when the diameter is less than 100mm.