鎢
概況（Survey）:
鎢是一種化學(xué)元素，化學(xué)符號是W，原子序數(shù)是74，是非常硬、鋼灰色至白色的過渡屬。
性狀（Character）:
鎢的物理特征常強，尤其是熔點非常高，是所有非合金金屬中最高的。
物理性質(zhì)（Physical?property）:
狀態(tài):固體?
密度（接近室溫）:19.25?g·cm?3?
熔點時液體密度:17.6?g·cm?3?
熔點:3695?K，3422?°C，6192?°F?
沸點:5828?K，5555?°C，10031?°F?
臨界點:13892?K，?MPa?
熔化熱:35.3?kJ·mol?1?
汽化熱:806.7?kJ·mol?1?原子性質(zhì)（Atomic?properties）:
氧化態(tài):6,?5,?4,?3,?2,?1,?0,??1,??2
?。ㄎ⑺嵝匝趸铮?
電負性:2.36（鮑林標度）?
原子半徑:139?pm?
共價半徑:162±7?pm?
以下只是我們?yōu)榱瞬煌愋涂蛻舴奖愣ㄖ频某Ｒ?guī)尺寸規(guī)格，我們可以為客戶定制與以下形狀，規(guī)格尺寸，公差要求，純度等都不同的產(chǎn)品。
產(chǎn)品名稱規(guī)格尺寸產(chǎn)品純度
鎢絲（W）Φ0.2—1.0mm?99.9%??99.99%??99.999%??99.9995+%??99.9999%??99.9999+%
Φ1.0—3.0mm?99.9%??99.99%??99.999%??99.9995+%??99.9999%??99.9999+%
Φ3.0—6.0mm?99.9%??99.99%??99.999%??99.9995+%??99.9999%??99.9999+%
鎢片（W）50*50*（0.2-1.5）mm99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
100*100*（0.2-1.5）mm99.9%??99.99%??99.999%??99.999+%????99.9999%??99.9999+%
200*250*（0.2-1.5）mm99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
鎢棒（W）??Φ（10-152.4）*1000mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ25.4*1000mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ50.8*500mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ76.2*200mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ101.6*200mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ127*200mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ152.4*200mm99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
1-10mm??99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
鎢粒（W）Φ2*10mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ3*3mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ3*10mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ6*6mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
Φ6*12mm?99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
鎢塊（W）?10-100mm??99.9%??99.99%??99.999%??99.999+%??99.9999%??99.9999+%
鎢粉（W）??0.5-75um??99.5%?????99.9%?????99.95%?????99.99%
我們所能提供的標準包裝為:100g???250g???500g???1000g????10kg????25kg???50kg