tantalum [ and niobium ] metals and alloys of tantalum [ and niobium, ] all in the form of powders, ingots, disks, rods, wire, strips, bars, plates, sheets, foils, tubing, and preforms

'alloy':6 'bar':22 'disk':18 'foil':25 'form':14 'ingot':17 'metal':4 'niobium':3,10 'plate':23 'powder':16 'preform':28 'rod':19 'sheet':24 'strip':21 'tantalum':1,8 'tube':26 'wire':20

[ vacuum furnace components; namely, heat shields, sintering trays and heating elements, heat exchangers, chemical processing pump and valve linings for corrosive liquids, thermowells, furnace crucibles, evaporation sources; namely, evaporation boats, and glass-lined vessel patch kits consisting of tantalum disks, studs and nuts ]

'boat':30 'chemic':14 'compon':3 'consist':38 'corros':21 'crucibl':25 'disk':41 'element':11 'evapor':26,29 'exchang':13 'furnac':2,24 'glass':33 'glass-lin':32 'heat':5,10,12 'kit':37 'line':19,34 'liquid':22 'name':4,28 'nut':44 'patch':36 'process':15 'pump':16 'shield':6 'sinter':7 'sourc':27 'stud':42 'tantalum':40 'thermowel':23 'tray':8 'vacuum':1 'valv':18 'vessel':35

NRC

Owners

Goods & Services