回火

通过回火这一提升机械性能的热处理流程,让钢材更好地适用于特定应用。

Hot-wall vs cold-wall vacuum furnaces: which one to choose

The demands of heat treatment industry are for higher temperatures, lower pressures, rapid heating and cooling capabilities, and higher production rates.  This has inevitably led to the use of so-called “cold-wall” vacuum furnaces, to the detriment of hot-wall furnaces, which are now considered obsolete. So, let’s see hot-wall and cold-wall furnaces - what could these be and how do they differ from each other?

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