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density is times that of water, comparable with that of uranium and gold , and much higher (about times) than that of lead . [ ] polycrystalline tungsten is an intrinsically brittle [ ] [ ] and hard material (under standard conditions, when uncombined), making it difficult to work . however, pure single-crystalline
tungsten is more ductile and can be cut with a hard-steel hacksaw . [ ] tungsten's many alloys have numerous applications, including incandescent light bulb filaments, x-ray tubes (as both the filament and target), electrodes in gas tungsten arc welding , superalloys , and radiation shielding . tungsten's...
https://en.wikipedia.org/wiki/Tungsten