A new processing technique for seamless tubes manufacture of austenitic stainless steel is introduced in the present work, in which die casted hollow blank is directly used for a hot extrusion.
介绍了一种新的奥氏体不锈钢无缝管材制备工艺，即对空心铸坯直接热挤压制备荒管。
Bruce suggested: hot die steel including forging, hot extrusion and die-casting of steel.
布鲁斯建议：热作模具钢包括锻压、热挤压和压铸模具钢。
While manufacturing a hot-extrusion die made of RM-2 hot working die steel, quenching cracks was found during the quenching process.
在制造热挤压模具的过程中，所用的模具钢rm - 2在淬火过程中发生了淬火开裂。
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