P20SRE

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1.

the heat treatment process, microstructure and properties of the free-cutting plastic die steelP20SRE have been investigated .

研究了 P20SRE 易切削塑料模具钢的热处理工艺、组织与性能。

yán jiū le P èr shí SRE yì qiē xiāo sù liào mó jù gāng de rè chǔ lǐ gōng yì 、 zǔ zhī yǔ xìng néng 。