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反复镦拔技术、旋转锻造技术、高温等静压制等可细化原始铸态组织，树枝晶内空隙。电渣重熔、真空电弧重熔精炼工艺，对钢材均匀性也十分有利。由热处理或表面硬化而引起的缺陷，应尽量避免导致硬度不均匀的脱碳。这些措施加上合理的成分设计及控制，就能生产出镜面加工性优异的钢。此外，还应根据模具的工作条件和环境的差异，考虑所用模具钢应具有良好的热导性、抗腐蚀性、抗氧化性和导磁性等。模具钢在工艺性能方面的要求可加工性钢材的可加工性主要包括被切削加工性和冷热塑性变形两种，它取决于钢的化学成分、热处理后的组织和冶金生产的内部质量，近些年来，为了改善钢的可加工性，在一些钢中加入易切削元素或改变钢中的夹杂物的分布状态，从而提高模具钢的表面质量和减少模具的磨损。
