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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 |
Ua haujlwm kub: | 1800 - 3000 degree |
Loj: | Per Drawings |
Tungsten rhaub Description
Tungsten cua sov caij (tungsten rhaub) yog tsim los ntawm tungsten hlau los yog lwm yam ntaub ntawv ntshiab tungsten, uas muaj cov ntsiab lus siab melting thiab zoo heev corrosion kuj. Nws tuaj yeem ua rau hauv ib qho lossis ntau cov ntaub ntawv raws li koj qhov tshwj xeeb. Cov hlau ntshiab thiab doped hlau yog ob qho tib si muaj.
Tungsten cua sov caij (tungsten rhaub) kuj tuaj yeem ua los ntawm tungsten sawb thiab tungsten rods. Peb tuaj yeem muab tungsten cua sov caij (tungsten rhaub) raws li koj cov duab kos.
Tungsten cua sov caij (tungsten rhaub) yog siv los ua cua sov hauv cov txheej txheem nqus cov txheej txheem xws li txhuas txau, chrome-plated, daim iav ua, ceramic txheej thiab plastics txheej, thiab lwm yam.
Tshuaj muaj pes tsawg leeg ntawm tungsten rhaub
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 | |||||||||
Kev siv tungsten rhaub thiab lwm yam kev lag luam
● Lub tshuab cua sov rau lub tshuab nqus tsev kub kub
● Kev Tshawb Fawb & Kev Tshawb Fawb
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 Heaters Properties (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 Heaters 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 | GHS02 Nplaim
GHS07 Exclamation Point
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