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The production process of tantalum-10 tungsten alloy is complex and delicate. First, tantalum powder and tungsten powder are evenly mixed in a ratio of 9:1, and then passed through a 120 mesh screen to ensure the uniformity of the powder. Next, the mixed powder is pressed into alloy rods and vacuum sintering is performed to obtain a rough ingot. Subsequently, the rough ingot is melted several times in a vacuum electron beam furnace to improve the uniformity and density of the alloy. Finally, the alloy is machined into the desired shape and size by forging, rolling and drawing processes.