本发明公开了一种纯铼管的制备方法，该制备方法包括如下步骤：原料粉末预处理制备、压制成型处理、脱粘结剂处理、预烧结处理、包套处理、热等静压处理、去包套处理、高温烧结处理。该方法可以制备出大尺寸、多种壁厚的纯铼管产品，具有形状规整、致密度高和晶粒细小均匀的优点。

The invention discloses a method for preparing a pure rhenium tube. The preparation method includes the following steps: raw material powder pretreatment preparation, compression molding treatment, binder removal treatment, pre-sintering treatment, sheathing treatment, hot isostatic pressing treatment, De-coating treatment, high-temperature sintering treatment. The method can prepare pure rhenium tube products with large size and various wall thicknesses, and has the advantages of regular shape, high density, and fine and uniform crystal grains.