Niobium rods Niobium alloy rods:
Material: RO4200-1, RO4210-2
Size: 4~100mm
Standard: As per ASTM B392-98
Purity: >=99.9% or 99.95%
Table.1 Chemical composition:
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)
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
