Detailed Product Description
Baoji Zhong Bang Rare Metal Materials Co., Ltd is located in Non-ferrous Metal Production Base, Baoji in Shaanxi , China.
Our company holds Tantalum, Niobium as the dominant products in the scope of rare metal new materials, including many sorts and grades of their metals, Such as plate, sheet, foil, tube/pipe, wire, rod/bar, flanges, standard parts, crucible, target. We can also supply tungsten, molybdenum, zirconium, titanium and other metal as well as their alloy.
Niobium sheet Niobium foils Niobium plates :
Material: RO4200-1, RO4210-2
Size:
Thickness (mm) Width (mm) Length (mm)
Foil 0.03-0.09 30-150 >200
Sheet 0.1-0.5 30- 609.6 30-1000
Board 0.5-10 50-1000 50-2000
Standard: As per ASTM B393-98
Purity: ≥99.9% or 99.95%
Table 1. Chemical composition:
Chemistry % | |||||||||||||
Designation | Chief component | Impurities maxmium | |||||||||||
Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | ||
Nb1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.07 | 0.015 | 0.004 | 0.0015 | 0.002 | |
Nb2 | Remainder | 0.02 | 0.02 | 0.005 | 0.02 | 0.02 | 0.005 | 0.15 | 0.03 | 0.01 | 0.0015 | 0.01 | |
Table 2. Mechanical requirements (annealed condition)
Grade | Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1"/2" gage length, %, ≥ | |
>=0.010 | <0.010 | |||
RO4200-1 RO4210-2 | 18000 (125) | 12000 (85) | 25 | 20 |
