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Muaj nuj nqi
CAS Nr:. | 7440-33-7 |
Linear Formula: | W |
Khoom siv: | Ntshiab tungsten |
Purity: | 99.95 feem pua, 99.99 feem pua, 99.999 feem pua |
Nto: | du |
Loj: | Raws li Kev Xav Tau |
Tungsten Hlau Description
Tungsten hlau muaj zog tensile siab heev, tshwj xeeb nruj thiab tsis muaj caij nplooj ntoos hlav rov qab, lub siab melting point, tsis tshua muaj coefficient ntawm thermal expansion, thiab tsawg vapor siab ntawm siab kub.
SSC tshwj xeeb hauv kev tsim cov purity siab zoo zoo li tus tungsten hlau nrog rau chromium plated tungsten hlau, nrog rau qhov siab tshaj plaws ua tau, nruj tolerances thiab alpha qhov tseem ceeb (conductive resistance).
Peb cov tungsten hlau tsis muaj khawb, kinks, thiab distortions insofar raws li lawv muaj kev phom sij rau kev siv cov khoom siv kawg. Nto tiav yog muab tso rau hauv cov xim dub, raws li kos, qhov xwm txheej, nyob rau hauv uas daim duab lubricants thiab oxides tau khaws cia rau ntawm qhov chaw. Nws kuj tseem muaj nyob rau hauv qhov chaw ntxuav uas ua tiav los ntawm kev tua hluav taws hauv hydrogen lossis electrochemical etching.
Nrog rau cov khoom siv hluav taws xob zoo thiab thermal conductivity, peb cov khoom siv tungsten hlau tau siv dav hauv cov iav-rau-hlau ntsaws ruaj ruaj hauv cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, thiab tseem ceeb heev rau kev tsim khoom thiab kev sim ntawm kev sib xyaw ua ke.
Peb cov tungsten hlau tuav nws cov duab ntawm qhov kub thiab txias, nws yog dav siv nyob rau hauv industrial furnaces, raws li zoo raws li nyob rau hauv lub boroscopes siv los soj ntsuam lub interiors ntawm kub kub ib puag ncig, xws li cav, turbines, kav, thiab tso tsheb hlau luam uas yuav siv tsis tau. lwm yam txhais tau tias. Nrog nws tsis tshua muaj vapor siab nyob rau hauv qhov kub thiab txias, tungsten hlau yog siv nyob rau hauv lub tshuab nqus tsev metalizing coils siv nyob rau hauv lub nto txheej ntawm cov khoom ua si yas, hniav nyiaj hniav kub, ntim cov tshuaj pleev ib ce, thiab cov hniav me me.
Cov neeg siv khoom kuj tseem yuav tungsten hlau siv rau hauv kev siv cov cuab yeej siv kho mob uas siv hluav taws xob tam sim no thiab qhov twg qhov tseeb yog qhov tseem ceeb. Cov no suav nrog cov khoom siv xws li electrocautery probes mus rau cov cuab yeej siv me me uas siv rau hauv stimulation thiab neural probing, qhov twg me me txoj kab uas hla tungsten hlau tswj nws txoj kev ncaj thiab zoo.
High tensile qhov tseem ceeb ua rau peb cov tungsten hlau yog ib qho txiaj ntsig zoo rau cov hlau muaj txiaj ntsig rau kev xa khoom thiab kev ntsuas hauv cov txheej txheem kho mob tsawg kawg nkaus. Nws cov roj ultra siab dua los piv rau cov khoom siv hlau muaj txiaj ntsig tseem ua rau cov ntawv thov fluoroscopic thaum muab kev txuag nyiaj ua fluoroscoque thaum muab cov khoom txuag fluoroscopic thaum muab cov nyiaj txuag tau piv nrog cov khoom siv hlau uas muaj nqi.
SSC tseem tuaj yeem tsim doped tungsten hlau. Nrog nws cov kub recrystallization ntau dua, doped tungsten hlau tseem nyob ntawm qhov kub thiab txias ntawm kev ua haujlwm siab, thiab tiv taus cov yas deformation thiab tawg. Lub elongated, stacked qauv ntawm doped hlau kuj muab zoo creep kuj thiab seem stability, thiab yog me ntsis yooj yim rau tshuab dua undoped hlau.
Khoom thiab yam ntxwv ntawmTungsten Hlau
Cov cuab yeej kub kub: Cov cuab yeej kub kub yuav tsum tau categorized raws li cov ntawv thov tshwj xeeb.
Txoj kab uas hla sib xws: Qhov hnyav sib txawv ntawm ob qhov sib law liag 200mm hlau daim yog tsawg dua 0.5 feem pua ntawm tus nqi nominal.
Ncaj ntawm Tsis tu ncua tungsten hlau: Raws li qhov yuav tsum tau ua.
Kev Ncaj Ncees Ncaj Ncees tungsten xaim: Rau tungsten hlau thinner dua 100μm, ntsug qhov siab ntawm 500mm dawb tshem tawm cov hlau yuav tsum tsis pub tsawg dua 450mm; rau tungsten hlau ntawm los yog thicker tshaj 100μm, qhov siab tshaj plaws arc qhov siab ntawm ob pints nrog deb ntawm 100mm yog 10mm.
Deg tej yam kev mob: du nto, tsis muaj splits, burrs, tawg, dents, dots, roj paug.
Coil peev xwm: Tsis muaj kev sib cais lossis tawg thaum txheej txheem coiling.
Qhov hnyav: Txog li 5kgs rau nplua tungsten hlau, 10kgs rau cov tungsten hlau tsis tu ncua.
Tshuaj muaj pes tsawg leeg ntawm tungsten hlau
W (>feem pua) | Cov ntsiab lus tshuaj (<%) | |||||||||||
99.999 | Fe | Ca | Ua | Sn | Al | Ni | Zn | Sb | Pt | K | Ta | Na |
0.0001 | 0.00005 | 0.000005 | 0.000005 | 0.00005 | 0.00001 | 0.00005 | 0.00005 | 0.00003 | 0.000005 | 0.0001 | 0.00005 | |
Cr | Pb | Raws li | Mg | Ti | Bi | Mo | Cd | Cu | Ba | Co | Mn | |
0.000005 | 0.00001 | 0.00005 | 0.00005 | 0.000005 | 0.00001 | 0.00001 | 0.000005 | 0.000007 | 0.00001 | 0.000005 | 0.000005 | |
99.99 | Fe | Ca | Ua | Sn | Al | Ni | Zn | Sb | Pt | K | O | Na |
0.0001 | 0.00045 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0005 | 0.0040 | 0.0009 | |
Cr | Pb | Raws li | Mg | Ti | Bi | Mo | Cd | Cu | Ba | Co | Mn | |
0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0002 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | |
99.95 | Fe | Ca | P | Sn | Al | Ni | N | Sb | Si | O | Pb | Raws li |
0.005 | 0.003 | 0.001 | 0.0001 | 0.002 | 0.003 | 0.003 | 0.001 | 0.003 | 0.003 | 0.0001 | 0.002 | |
Mg | C | Bi | Mo | |||||||||
0.002 | 0.005 | 0.0001 | 0.001 | |||||||||
Tungsten Hlau Specification
Txoj kab uas hla | Qhov hnyav | 200mm Nyhav Tolerance (%) | Txoj kab uas hla (%) | |||
Qib 0 | Qib 1 | Qib 2 | Qib 1 | Qib 2 | ||
8 | 0.19 | ±3.0 | ±4.0 | ±5.0 | N/A | |
14 | 0.59 | ±2.5 | ±3.0 | ±4.0 | N/A | |
18 | 0.98 | ±2.0 | ±2.5 | ±3.0 | N/A | |
40 | 4.85 | ±1.5 | ±2.0 | ±2.5 | N/A | |
80 | 19.39 | ±1.0 | ±1.5 | ±2.0 | N/A | |
300 | 272.71 | N/A | ±1.0 | ±1.5 | N/A | |
350 | N/A | N/A | ±1.5 | ±2.0 | ||
d>500 | N/A | N/A | ±1.0 | ±1.5 | ||
Lwm qhov ntev tuaj yeem hloov kho.
Tungsten Hlau Finish Conditions
Code | Qhov xwm txheej | Code | Qhov xwm txheej | Code | Qhov xwm txheej |
C | Tshuaj ntxuav | DS | Drawn plus Straightened | EHS | Electrolytic Polished ntxiv rau Annealed ntxiv Straightened |
CS | Chemical Cleaned plus Straightened | E | Electrolytic Polished | ES | Electrolytic Polished ntxiv Straightened |
D | Kos | EH | Electrolytic Polished ntxiv rau Annealed | H | Annealed |
Tungsten Hlau Daim Ntawv Thov thiab Lwm Yam Kev Lag Luam
● Hluav taws xob lub teeb qhov chaw
● Cov khoom siv hluav taws xob lub tshuab nqus tsev
● Cov khoom cua kub thiab cov khoom refractory nyob rau hauv qhov cub kub kub
● Cov khoom cua sov hauv lub tshuab nqus tsev hlau lossis plating.
● Cov khoom siv kho mob
● LEEP thiab LEED electrodes
● Lub tshuab nqus tsev cua sov
● Thermionic emitters
● Aerospace
● Cov khoom siv kho mob thiab cov cuab yeej tshawb nrhiav & kuaj
● Tub rog
● Material Science
● Electronics
Chemical Identifiers
Linear Formula | W |
MDL Number | TIAB SA 00011461 |
EC No. | 231-143-9 |
Beilstein/Reaxys No. | N/A |
Pubchem CID | 23964 |
SMILES | [W] |
InchI ID nkag mus | InChI=1S/W |
InchI Key | WFKWXMTUELFFGS-UHFFFAOYSA-N |
Tungsten Hlau Khoom (Theoretical)
Molecular Luj | 183.85 |
Qhov tshwm sim | Nyiaj |
Melting Point | 3410 degree |
Boiling Point | 5900 degree |
Qhov ntom | 19.3g / cm33 |
Solubility hauv H2O | N/A |
Hluav taws xob Resistivity | 5.65 microhm-cm @ 27 degree |
Electronegativity | 1.7 Pauling |
Kub ntawm Fusion | 8.42 cal/gm os |
Kub ntawm Vaporization | 185 K-Cal / gm atom ntawm 5660 degree |
Poisson tus ratio | 0.28 |
Tshwj xeeb kub | 0.0317 Cal/g/K @ 25 degree |
Tensile zog | 750 MPa rau |
Thermal conductivity | 1.73 W/cm/K @ 298.2 K |
Thermal Expansion | (25 degree) 4.5 µm·m-1·K-1 |
Vickers Hardness | 3430 MPa rau |
Young's Modulus | 411 gps ua |
Tungsten Wire Health & Safety Information
Lus Cim | Kev phom sij |
Cov Lus Qhia Txog Hazard | H228-H315-H319 |
Hazard Codes | N/A |
Cov Lus Qhia Ua Ntej | P210-P305 ntxiv rau P351 ntxiv rau P338 |
Flash Point | Tsis siv tau |
Risk Codes | N/A |
Cov lus hais txog kev nyab xeeb | N/A |
RTECS Number | YOG 7175000 |
Cov ntaub ntawv thauj mus los | NEEJ |
WGK Germany | Nwg |
GHS Daim duab | GHS07 Exclamation Point
GHS02 Nplaim
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