The results show that the H13 steel treated by new process has higher hardness and heat-fatigue property. The service life of hot-forge die is prolonged.
结果表明：h13热锻模具钢经此工艺处理后，具有较高的硬度和热疲劳性能，延长了模具的使用寿命。
Tools for forge machine, die insert, extrusion mould for Cu alloy, hot shearing knives.
平锻机上的凸、凹模，铜合金挤压模，镶块，高温工作下的热剪切刀。
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