- Refractory[34]
- Glass Processing Machinery Parts[14]
- Mining Machinery Parts[10]
- Metal Processing Machinery Parts[5]
- Semiconductors[6]
- Carbon[6]
- Ceramics[13]
- Capacitors[1]
- Pipe Fittings[1]
- Cast & Forged[4]
- Metal Electroplating Machinery[1]
- Other Metal Processing Machinery[2]
- Chemical Product Machinery[1]
- Bolts[1]
- Fuse Components[1]
- Contact Person : Mr. yu zhong
- Company Name : Baoji Zhong Bang Rare Metal Materials Co., Ltd.
- Tel : 86-917-3308782
- Fax : 86-917-3308781
- Address : Shaanxi,Baoji,Ma ying town Yongqing Road 2#, Baoji City
- Country/Region : China
- Zip : 721014
niobium rod/bar
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 is an associated metal of tantalum ,characterized in high strength ,high conductivity ,resistance to corrosion by liquid base metals ,section with low neutron capture ,etc ,widely used for steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology.
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 .
