Mafotokozedwe Akatundu
kuyera kwakukulu 99.95% 0.03mm niobium zojambulazo ogulitsa
Dzina lazogulitsa | Mtengo wapamwamba kwambiri wa annealed niobium zojambulazo exw mtengo |
Zakuthupi | Niobium yoyera |
Gulu | RO4200.RO4210,R04251,R04261 |
Standard | Chithunzi cha ASTM B393 |
Njira | Kuzizira kozizira, Kutentha kwambiri, Kutulutsa |
Khalidwe | Malo osungunuka : 2468ºC / Malo otentha : 4744ºC |
Kuchulukana | 8.6 g/cm3 |
Zogulitsa Zamalonda | Kukaniza Kwabwino Kwambiri kwa Corrosion, Kukana kwabwino kwa kutentha |
TABLE 1. Zofunikira za Chemical:
Zambiri, Max, Kulemera% |
Chinthu | Mtengo waukulu: R04200 | Grand:R04210 | Grand:R04251 | Grand:R04261 |
Niobium yopanda madzi | Niobium yopanda madzi | (Reactor grade niobium-1% Zirconium) | (Bizinesi kalasi niobium-1% Zirconium) |
C | 0.01 | 0.01 | 0.01 | 0.01 |
O | 0.015 | 0.025 | 0.015 | 0.025 |
N | 0.01 | 0.01 | 0.01 | 0.01 |
H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
Fe | 0.005 | 0.01 | 0.005 | 0.01 |
Mo | 0.01 | 0.02 | 0.01 | 0.05 |
Ta | 0.1 | 0.3 | 0.1 | 0.5 |
Ni | 0.005 | 0.005 | 0.005 | 0.005 |
Si | 0.005 | 0.005 | 0.005 | 0.005 |
Ti | 0.02 | 0.03 | 0.02 | 0.03 |
W | 0.03 | 0.05 | 0.03 | 0.05 |
Zr | 0.02 | 0.02 | 0.8~1.2 | 0.8~1.2 |
Nb | Zotsalira | Zotsalira | Zotsalira | Zotsalira |
TABLE 2.Zofunikira zamakina:
| Gulu(UNS) | Annealed |
| Tensile mphamvu min, psi (MPa) | Yield strength min,psi (MPa)(2%) | Elongation min, % (1 inchi gage kutalika) |
| R04200, R04210 | 18000 (125) | 10500 (73) | 15~20 |
| R04251, R04261 | 28000 (195) | 18000 (125) | 15~20 |
| R04220 (RRR kalasi) | 14000 (95) | 7200 (50) | 30
|
Chifukwa Chosankha Ife:
1. Mutha kupeza zinthu zabwino kwambiri malinga ndi zomwe mukufuna pamtengo wotsika kwambiri.
2. Timaperekanso Reworks, FOB, CFR, CIF, ndi mitengo yobweretsera khomo ndi khomo. Tikukulangizani kuti mugwiritse ntchito zotumiza zomwe zingakhale zotsika mtengo.
3. Zipangizo zomwe timapereka ndizotsimikizika kotheratu, kuyambira pa satifiketi yoyeserera mpaka pagawo lomaliza.
4. e chitsimikizo kupereka yankho mkati 24hours(nthawi zambiri mu ola lomwelo)
5. Mutha kupeza njira zina zogulitsira, zoperekera mphero ndikuchepetsa nthawi yopanga.
6. Ndife odzipereka kwathunthu kwa makasitomala athu. Ngati sizingatheke kukwaniritsa zomwe mukufuna mutapenda zonse zomwe mungasankhe, sitidzakusocheretsani popanga malonjezo abodza omwe angapangitse ubale wabwino ndi makasitomala.
Chitsimikizo cha Ubwino (kuphatikiza zonse Zowononga ndi Zosawononga)
1. Mayeso a Visual Dimension
2. Kuwunika kwamakina monga kukhazikika, kutalika ndi kuchepetsa dera.
3. Kusanthula zotsatira
4. Kusanthula kwa mankhwala
5. Mayeso olimba
6. Kuyesa chitetezo cha pitting
7. Mayeso Olowera
8. Intergranular Corrosion Testing
9. Mayeso Olimba
10. Metallography Experimental Test
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