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1.Material: RO4200-1, RO4210-2
2.Size: Dia.:1.0-150mm; Thickness:0.2-5.0mm,
Length:200-6000mm
3.Purity:>=99.9%
Niobium tubes Niobium alloy tubes :
Material: RO4200-1, RO4210-2
Size: Diameter: φ1.0-150mm
Thickness: 0.2-5.0mm
Length: 200mm-6000mm
Standard: As per ASTM B394-98
Purity: ≥99.9% or 99.95%
Table.1 Chemical composition:
Chemistry % | |||||||||||||
Designation | Chief component | Impurities maximum | |||||||||||
| 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
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