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Specifications
Niobium rod/barStandard: ASTM B392
Grade:R04200-1, R04210-2, R04251-3, R0426
ISO 9001:2008
Niobium rod/bar:
Material: RO4200-1, RO4210-2
Size: 4~100mm Length : 5000mm
status: Annealing
standard:ASTM B 392
techniques: hot rolled or forged
condition: annealed
Shape: rod
Purity: 99.95%
color: sight or black
Supply condition: Rolled, Drawn, Forged, Ground, Lathed.
application : Electronic industry Chemistry, electronical, Pharmaceu
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
|
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