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Microstructure and Properties of Non-Quenched Prehardened Steel for Plastic Mould with 700 mm Thickness

机译:具有700 mm厚度的塑料模具非淬火前钢的微观结构与性能

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The non-quenched prehardened steel for plastic mould with 700 mm thickness (NQP700) has been developed in order to save energy and shorten the producing cycle. Microstructure and properties of the NQP700 steel are studied. The results show that microstructure of the NQP700 steel block is bainite distributing uniformly through the whole section, whose hardness fluctuation is not more than ±1.5HRC. Its polishing ability and pattern etching properties satisfy the needs of plastic mould, and it has better machinability.
机译:已经开发出具有700毫米厚度(NQP700)的塑料模具的非淬火前钢,以节省能量并缩短生产循环。研究了NQP700钢的微观结构和性能。结果表明,NQP700钢块的微观结构是贝氏体通过整个部分均匀分布,其硬度波动不大于±1.5Hrc。其抛光能力和图案蚀刻性能满足塑料模具的需求,具有更好的可加工性。

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