Niobium Hlau
Kev piav qhia
R04200 - Hom 1, Reactor qib unalloyed niobium;
R04210 - Hom 2, qib lag luam tsis muaj niobium;
R04251 -Type 3, Reactor qib niobium alloy muaj 1% zirconium;
R04261 -Type 4, Kev lag luam qib niobium alloy muaj 1% zirconium;
Hom thiab Loj:
Hlau impurities, ppm max los ntawm qhov hnyav, Ntsuas - Niobium
| Element | Fe | Mo | Ta | Ni | Si | W | Zr | Hf |
| Cov ntsiab lus | 50 | 100 | 1000 | 50 | 50 | 300 | 200 | 200 |
Non-Metallic impurities, ppm max los ntawm qhov hnyav
| Element | C | H | O | N |
| Cov ntsiab lus | 100 | 15 | 150 | 100 |
Mechanical zog rau cov xov hlau annealed 0.020in (0.508mm)-0.124in (3.14mm)
| Qhov kawg Tensile Strength (MPa) | 125 |
| Lub zog tawm los (MPa, 2% offset) | / |
| Elongation (%, 1-hauv gage length) | 20 |
Dimensional Tolerance rau Qws thiab Hlau
| Txoj kab uas hla (mm) | Kev kam rau ua (± mm) |
| 0.020-0.030(0.51-0.76) | 0.00075(0.019) |
| 0.030-0.060(0.76-1.52) Ib | 0.001 (0.025) |
| 0.060-0.090(1.52-2.29) | 0.0015 (0.038) hli |
| 0.090-0.125(2.29-3.18) | 0.002 (0.051) |
| 0.125-0.187(3.18-4.75) | 0.003 (0.076) hli |
| 0.187-0.375(4.75-9.53) | 0.004 (0.102) |
| 0.375-0.500(9.53-12.7) | 0.005 (0.127) hli |
| 0500-0.625(12.7-15.9) | 0.007 (0.178) |
| 0.625-0.750 (15.9-19.1) | 0.008 (0.203) |
| 0.750-1.000 (19.1-25.4) | 0.010 (0.254) |
| 1.000-1.500 (25.4-38.1) | 0.015 (0.381) hli |
| 1.500-2.000 (38.1-50.8) | 0.020 (0.508) |
| 2,000-2,500 (50.8-63.5) | 0.030 (0.762) hli |
Nta
Qib: RO4200, RO4210
Purity: 99.95% (3N5) - 99.99% (4N)
Kev tsim qauv: ASTM B392-99
Nto: yuav tsum du, huv si, greaseless, tsis muaj fissure los yog burr, tsis muaj mess nyob ib ncig ntawm, tsis knotting, tsis crossover, tsis tas li pitches los yog khawb.
Daim ntawv thov
Los tsim niobium mechanical qhov chaw, cov khoom siv hluav taws xob, high voltage sodiumlamp thiab Jewelry;dav siv rau lub tsev muag tshuaj, semiconductor, aviation thiab aerospace, nuclear, kub sib dhos thiab lwm yam kev lag luam.
Cov khoom muaj feem xyuam
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