We are factory specializing in the manufacture and export Tantalum and Niobium prodcut.
Tantalum plate,Tantalum strip,Tantalum Foil,Tantalum sheet.....
1.Purity : 99.95%min or 99.99%min conformity with ASTM B 708-98
2.Size: Thickness (mm) Width (mm) Length (mm) as per order .
3.Foil 0.03-0.07 30-200 >50
4.Sheet 0.07-0.5 30- 700 30-2000
5.Board 0.5-10 50-1000 50-3000
6. Grade: RO5200, RO5252,RO5255
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 |
Table2. Mechanical requirements (annealed condition)
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) | 22000 (152) | 25 |
Ta-40Nb (RO5240) Thickness<0.060"(1.524mm) | 40000 (276) | 20000 (138) | 25 |
Thickness>0.060"(1.524mm) | 35000 (241) | 15000 (103) | 25 |
Hengxin metal is specialized in supplying high purity tantalum niobium zirconium titanium and other refractory metal and their semi-finished products such as plate, sheet, rod, tube, wire, fasteners, crucible, sputtering target, etc. for chemical, high temperature, electronics and other industy.
Special requirements to be agreed on by the supplier and buyer of negotiation
welcome you arrive on any time and we are
willing to become long-term partners!