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Muaj nuj nqi
CAS Nr .: | 7440-03-1 |
Linear Formula: | Nb |
Purity: | 98,99.5 feem pua |
Qhov tsos: | Nyiaj |
Loj: | 150μm, 180μm |
Khoom Qib: | R04200-Type 1 -Reactor qib unalloyed niobium R04210-Type 2 -Cov qib lag luam tsis muaj niobium |
Niobium Powder Description
Niobium hmoov yog hlau-grey los yog silvery-dawb tab sis yuav siv sij hawm ib tug bluish tint thaum raug huab cua ntawm chav tsev kub rau ncua sij hawm. Cov hlau oxidation hauv huab cua pib ntawm 200 degree. Niobium, thaum siv alloying, txhim kho lub zog, thiab nws cov khoom superconductive yog txhim kho thaum ua ke nrog zirconium.
SSC tshwj xeeb hauv kev tsim cov purity niobium hmoov nrog qhov tsawg tshaj plaws qhov nruab nrab qhov ntau thiab tsawg. Peb kuj muab spherical niobium hmoov nrog fluidity zoo heev, nws yog cov khoom siv rau 3D luam ntawv. NB cov hmoov hlau hlau tuaj yeem tsim cov khoom siv hlau ncaj qha ncaj qha nrog cov qauv siv hluav taws xob siab lossis cov hlau uas yog 3D luam tawm raug 3D. Qhov loj me me ntawm peb cov hmoov niobium spherical yuav yog 1-15um, 15-53um, 45-105um lossis customized txoj kab uas hla, purity ntawm 99.9 feem pua.
Niobium hmoov Specification
Yam khoom No. | FNb-1 | FNb-2 | FNb-3 |
Nb plus Ta Greater than or equal to | 99.5% ua | 99 feem pua | 98 feem pua |
Cov impurities | Concentrations (feem pua , Tsawg dua lossis sib npaug) | ||
Ta | 0.20 | 0.50 | 1.0 |
O | 0.20 | 0.20 | 0.50 |
H | 0.005 | 0.005 | 0.01 |
N | 0.04 | 0.06 | 0.10 |
C | 0.05 | 0.05 | 0.08 |
Fe | 0.01 | 0.05 | 0.08 |
Si | 0.005 | 0.01 | 0.02 |
Ni | 0.005 | 0.005 | 0.01 |
Cr | 0.005 | 0.07 | 0.01 |
W | 0.005 | 0.01 | 0.03 |
Mo | 0.003 | 0.005 | 0.01 |
Ti | 0.003 | 0.005 | 0.02 |
Mn | 0.003 | 0.005 | 0.01 |
Cu | 0.003 | 0.005 | 0.01 |
Ca | 0.005 | 0.005 | 0.02 |
Sn | 0.005 | 0.005 | 0.01 |
Al | 0.01 | 0.01 | 0.02 |
Mg | 0.005 | 0.005 | 0.01 |
P | 0.01 | 0.01 | 0.01 |
S | 0.01 | 0.01 | 0.01 |
Particle Loj | 95% dhau 150μm | 95% dhau 150μm | 100% dhau 180μm |
Niobium Powder Daim Ntawv Thov thiab Lwm Yam Kev Lag Luam
● Cov khoom siv kub-kub, tshwj xeeb tshaj yog rau kev lag luam aerospace
● Alloy ntxiv, suav nrog qee yam rau cov khoom siv superconducting
● Plasma tshuaj tsuag txheej
● Cov lim
● Tej yam kev siv corrosion-resistant
● Tshuaj
● Aerospace
● Material Science
● Kev Tshawb Fawb & Kev Tshawb Fawb
Chemical Identifiers
Linear Formula | Nb |
MDL Number | PAB 00011126 |
EC No. | 231-113-5 |
Beilstein/Reaxys No. | N/A |
Pubchem CID | 23936 |
SMILES | [Nb] |
InchI ID nkag mus | InChI=1S/Nb |
InchI Key | GUCVJGMIXFAOAE-UHFFFAOYSA-N |
Niobium hmoov Properties (Theoretical)
Molecular Luj | 92.9 |
Qhov tshwm sim | Nyiaj |
Melting Point | 2468 degree |
Boiling Point | 4 742 ygo |
Qhov ntom | 8.57 g / cm²3 |
Solubility hauv H2O | N/A |
Hluav taws xob Resistivity | 12.5 microhm-cm @ 0 degree |
Electronegativity | 1.6 Pauling |
Kub ntawm Fusion | 6.5 Cal/gm mole |
Kub ntawm Vaporization | N/A |
Poisson tus ratio | 0.4 |
Tshwj xeeb kub | 0.064 Cal/g/K @ 25 degree |
Tensile zog | N/A |
Thermal conductivity | 0.537 W/cm/K @ 298.2 K |
Thermal Expansion | 7.3 µm/(m·K) |
Vickers Hardness | 1320 MPa rau |
Young's Modulus | 105 GPa |
Niobium Powder Health & Safety Information
Lus Cim | Kev phom sij |
Cov Lus Qhia Txog Hazard | H228 |
Hazard Codes | F |
Cov Lus Qhia Ua Ntej | P210 - P280 - P240 - P241 - P370 plus P378 |
Risk Codes | N/A |
Cov lus hais txog kev nyab xeeb | N/A |
RTECS Number | QT9900000 |
Cov ntaub ntawv thauj mus los | UN 1383 4.2/PG 1 |
WGK Germany | Nwg |
GHS Daim duab | GHS02 Nplaim
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Cim npe nrov: niobium hmoov, Tuam Tshoj, lwm tus neeg, yuav, muag, ua nyob rau hauv Suav teb
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