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 plate, tantalum sheet (ASTM B708-98 R05200)
0. 2mm up to 1. 0 mm Thickness x Width up to 600mm max. X Length,
1. 0mm up to 20mm Thickness x Width up to 1000mm max. X Length;
Tantalum foil ,Tantalum strip(ASTM B708-98 R05200)
0. 05mm Thickness x Width up to 100mm max. X Length;
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 | 0.006 | 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 | |
Table 2. Mechanical requirements (annealed )
Grade and size | Annealed | ||
Tensile strength min, psi (MPa) | Yield strength min,psi (MPa)(2%) | Elongation min, % (1 inch gage length) | |
Sheet, foil. and board (RO5200, RO5400) Thickness<0.060"(1.524mm) Thickness≥0.060"(1.524mm) | 30000 (207) | 20000 (138) | 20 |
25000 (172) | 15000 (103) | 30 | |
Ta-10W (RO5255) Sheet, foil. and board | 70000 (482) | 60000 (414) | 15 |
70000 (482) | 55000 (379) | 20 | |
Ta-2.5W (RO5252) Thickness<0.125" (3.175mm) Thickness≥0.125" (3.175mm) | 40000 (276) | 30000 (207) | 20 |
40000 (276) | 28000 (193) | 20 | |
Ta-40Nb (RO5240) Thickness<0.060"(1.524mm)
| 40000 (276) | 28000 (193) | 20 |
