Photographs and descriptions of many samples of the element Tungsten in the Periodic Table. Tungsten, or wolfram, is a chemical element with symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral.. Tungsten Rod - Elmet is a global leader and the only North American owned and operated fully integrated manufacturer of pure tungsten swaged rod products. Manufacturer of Tungsten and Alloy - Tungsten Copper, Tungsten Carbide Rod, Tungsten Carbide Powder and Tungsten Carbide Flat offered by Poly Metal India, Pune.. 텅스텐 (W * Tungsten) - 전문 공급 업체 - 판재, 시트, 플레이트, 코일, 포일, 봉재, 환봉, 와이어, 튜브..
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