UHP 450 hli Graphite Electrode
Graphite electrodes ua lub luag haujlwm tseem ceeb hauv kev lag luam steelmaking, lawv feem ntau siv los yaj cov seem hauv hluav taws xob arc rauv (ua luv li EAF). Muaj qee cov khoom tseem ceeb uas txiav txim siab qhov zoo ntawm electrode, lawv yog dab tsi?
Lub coefficient ntawm thermal expansion
(lub npe hu ua CTE) yog hais txog qhov ntsuas ntawm qhov kev nthuav dav ntawm cov khoom siv tom qab ua kom sov, thaum qhov kub thiab txias nce 1 ° C, nws ua rau qhov kev nthuav dav ntawm cov khoom siv coj mus kuaj hauv ib qho kev taw qhia, uas yog hu ua linear expansion coefficient raws li qhov kev taw qhia nrog chav tsev 1 × 10-6 / ℃. Tshwj tsis yog tias tau teev tseg, cov thermal expansion coefficient yog hais txog linear expansion coefficient. CTE ntawm graphite electrode yog hais txog axial thermal expansion coefficient.
Qhov ceev ceev
yog qhov piv ntawm qhov loj ntawm graphite electrode rau nws ntim, chav tsev yog g / cm3. Qhov loj dua qhov ntom ntom, qhov denser electrode. Feem ntau hais lus, qhov loj dua qhov ntom ntom ntawm tib hom electrode, qhov hluav taws xob tiv taus qis dua.
Elastic modulus
yog ib qho tseem ceeb ntawm cov khoom siv kho tshuab, thiab nws yog qhov ntsuas los ntsuas qhov elastic deformation peev xwm ntawm cov khoom siv. Nws chav tsev yog Gpa. Hais lus yooj yim, qhov ntau dua qhov elastic modulus, cov khoom siv nkig ntau dua, thiab qhov me dua elastic modulus, cov khoom siv softer.
Cov qib ntawm elastic modulus plays lub luag haujlwm tseem ceeb hauv kev siv cov electrodes. Qhov siab dua qhov ntim ntom ntom ntawm cov khoom, qhov denser lub elastic modulus yog, tab sis qhov tsis zoo ntawm cov khoom thermal shock kuj yog, thiab qhov yooj yim dua nws yog los tsim cov kab nrib pleb.
Lub cev Dimension
| Kev sib piv kev qhia tshwj xeeb rau UHP Graphite Electrode 18 " | ||
| Hluav taws xob | ||
| Yam khoom | Chav tsev | Supplier Spec |
| Cov yam ntxwv ntawm tus ncej | ||
| Nominal Dia | mm | 450 |
| Max Txoj kab uas hla | mm | 460 |
| Min Dia | mm | 454 ib |
| Nominal Ntev | mm | 1800-2400 Nws |
| Max Ntev | mm | 1900-2500 Nws |
| Min Ntev | mm | 1700-2300 Nws |
| Kev ceev ceev | g/cm3 | 1.68-1.72 ib |
| transverse zog | MPa | ≥12.0 |
| Young' Modulus | GPa | ≤ 13.0 |
| Tshwj xeeb Resistance | µ Ωm | 4.5-5.6 |
| Qhov siab tshaj plaws tam sim no | KA/cm2 | 19-27 |
| Lub peev xwm nqa tam sim no | A | 32000-45000 |
| (CTE) | 10-6 ℃ | ≤1.2 |
| cov ntsiab lus tshauv | % | ≤0.2 |
| Cov yam ntxwv ntawm lub txiv mis (4TPI) | ||
| Kev ceev ceev | g/cm3 | 1.78-1.84 Nws |
| transverse zog | MPa | ≥22.0 |
| Young' Modulus | GPa | ≤ 18.0 |
| Tshwj xeeb Resistance | µ Ωm | 3.4-3.8 |
| (CTE) | 10-6 ℃ | ≤1.0 |
| cov ntsiab lus tshauv | % | ≤0.2 |
