Tantalum target,tantalum tube, sheet, rod is a blue-gray transition metal and is a high melting point metal.Tantalum is ductile, hard and corrosion resistant, and tantalum will not react with aqua regia.Used in manufacturing chemical equipment, vacuum tubes, medical appliances and implants.
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Standard |
ASTM B 708-2001 |
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Dimension |
Φ(25-400)mm*(3-28)mm |
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Material |
RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W) |
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Circular target size |
Diameter 25mm up to 400mm x Thickness 3mm up to 28mm |
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Retangular target size |
Thickness 1mm up to 12.7mm x Width up to 600mm x Length up to 2000mm |
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Purity |
≥99.95% or 99.99% |
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Grade |
Recrystalization |
Grain size |
Surface finish |
Flatness |
Tolerance |
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3N, 3N5, 4N, with Ta 99.99% |
95% min |
ASTM 4 or finer |
16Rms max. Or Ra 0,4(RMS64 or better) |
0.1mm or 0.15% max |
+/-0.010" on all dimensions |
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