Refractory　metal　tungsten　tubes　of　different　diameter　have　been　prepared　successfully　by　chemical　vapor　deposition　with　the　mixture　of　WF6　and　H2.　The　purity,　density,　micro-hardness,　residual　stress　and　strength　of　tungsten　tubes　at　different　deposition　temperatures　(500°C,　600°C,　700°C)　were　tested　and　analyzed.　The　results　show　that　tungsten　tubes　prepared　in　this　way　demonstrate　high　purity　and　high　density.　At　different　deposition　temperatures,　micro-hardness　values　of　tungsten　tube　of　different　radius　(3-20　mm)　change　between　500　and　800　HV.　A　relatively　high　residual　stress　exists　along　the　tungsten　tube　circumference,　radius　of　the　direction.　And　the　tensile　strength　range　is　300-500　MPa.