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 rod/bar
Material: RO4200-1, RO4210-2A
Size: Dia3~100mm
Standard: ASTM B392-98
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, %, ≥ |
RO4200-1 RO4210-2 | 18000 (125) | 12000 (85) | 25 |
Special requirements to be agreed on by the supplier and buyer of negotiation.
