This paper introduces the developing progress of metallic pressure sealing ring, including selecting material, drawing special forging process, intenerating process and drawing machining process.

介绍了具有优良使用性能，可替代进口产品的金属自密封环的研制，包括选材、制定特殊锻造工艺、制定机械加工工艺规程和软化处理等。

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The Ninth Circuit has a reputation for forging its own path but today had to be special: It was reversed three times by the Supreme Court, with a partial defeat in another case.

FORBES: The Ninth Circuit is Thrice Stuffed Today