Detailed Product Description
Baoji Zhong Bang rare metal materials CO.,LTD holds Tantalum ,Niobium as the dominant products in the scope of rare metal new materials, including many sorts and grades of their metals, sheet, tube, wire ,rod ,crucible , target ,alloy and so on.
Tantalum features high melting point , low vapor pressure , good cold processability ,excellent chemical stability , good resistance to corrosion , high dielectric constant ,in surface oxide film .widely used in many industries such as electronics ,metallurgy, chemical processing , hard alloy cutters , aerospace and aviation.
Tantalum target
Material: RO5200, RO5400,
circular targets: Diameter 25mm up to 400mm x Thickness 3mm up to 28mm
rectangular targets: Thickness 1mm up to 12.7mm x Width up to 600mm x Length up to 2000mm
Purity: ≥99.95% or 99.99%
Table 1: technology parameter
Grade | 3N, 3N5, 4N, with Ta 99.99%min |
Recrystallization | 95%min |
Grain size | ASTM 4 or finer |
Surface finish | 16Rms max. or Ra 0.4 ( RMS64 or better) |
Flatness | 0.1mm or 0.15% max |
Tolerance | +/-0.010" on all dimensions |
Table 1. Chemical composition:
Chemistry % | |||||||||||||
Designation | Chief component | Impurities maxmium | |||||||||||
Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N | |
Ta1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.03 | 0.015 | 0.004 | 0.0015 | 0.002 | |
Ta2 | Remainder | 0.01 | 0.01 | 0.005 | 0.02 | 0.02 | 0.005 | 0.08 | 0.02 | 0.01 | 0.0015 | 0.01 | |
TaNb3 | Remainder | 3.5 | 0.01 | 0.01 | 0.005 | 0.02 | 0.02 | 0.005 | 0.02 | 0.01 | 0.0015 | 0.01 | |
TaNb20 | Remainder | 17.023.0 | 0.01 | 0.01 | 0.005 | 0.02 | 0.02 | 0.005 | 0.02 | 0.01 | 0.0015 | 0.01 | |
Ta2.5W | Remainder | 0.005 | 0.003 | 0.002 | 3.0 | 0.006 | 0.002 | 0.04 | 0.015 | 0.005 | 0.0015 | 0.006 | |
Ta10W | Remainder | 0.005 | 0.003 | 0.002 | 11 | 0.006 | 0.002 | 0.04 | 0.015 | 0.005 | 0.0015 | 0.006 | |
