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。
A new processing technique for seamless tubes manufacture of austenitic stainless steel is introduced, in which hollow cast blank is directly used for 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。
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.
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