Hlau (Fe) yog silvery-dawb nyob rau hauv cov xim, nrog ib tug txheeb ze atomic mass ntawm 56. Lub melting point ntawm ntshiab hlau yog 1535 degree, thiab nws boiling point yog 3000
Lead (Pb), nrog lub cubic lattice qauv thiab lub ntsej muag grey, muaj qhov hnyav atomic ntawm 207.21, melting point ntawm 327 degree, thiab kub taw tes ntawm 1540 degree . Nyob ra
Cov peev txheej ntawm ntau yam alloys hauv molten zinc tuaj yeem muab faib ua peb hom tseem ceeb: Ua ntej, muaj qhov tsis muaj kev cuam tshuam hauv kev lag luam zinc lossis remelte
Muaj ntau yam tseem ceeb uas cuam tshuam rau lub cev microstructure ntawm galvanized coatings, tab sis peb qhov tseem ceeb tshaj plaws tuaj yeem ua tiav raws li hauv qab no: (1) Ke
Kev tsim cov zinc txheej ntawm cov kav hlau muaj kev sib txuam ntawm lub cev thiab tshuaj lom neeg ntawm cov kav hlau thiab cov zinc molten. Thaum zinc nyob hauv lub xeev ua kua, n
Muaj ob txoj hauv kev rau ziab hnyav ntawm cov kav hlau steel ob qho tib si hauv tsev thiab txawv teb chaws: txoj kev dov yeeb nkab thiab txoj kev saw conveyor. Yog li ntawd, cov t
Thaum cov yeeb nkab steel coated nrog cov kuab tshuaj tau qhuav hauv qhov cub kom qhuav, lub sijhawm ziab ntau dhau tuaj yeem muaj ob qhov cuam tshuam: ib qho yog lub sijhawm ziab
Thaum cov kav hlau yog coated nrog cov kuab tshuaj aqueous thiab qhuav, yog tias lawv tsis tau rhuab mus rau qhov yuav tsum tau ziab kom qhuav kub rau kub-dip galvanizing thiab mua
Kev txiav txim siab ntawm qhov ziab kom qhuav yog tsim raws li hom hnyav, vim ntau yam hnyav hnyav muaj cov ntsiab lus sib txawv. Piv txwv li, zinc chloride muaj qhov melting point
Cov khoom siv feem ntau siv hauv "cov txheej txheem qhuav" cov kuab tshuaj feem ntau yog raws li hauv qab no: (1) Siv hydrochloric acid (HCl) nrog cov concentration ntawm 31% (360
Feem ntau siv "cov txheej txheem ntub dej" flux feem ntau muaj ob hom nram qab no: Ib hom siv ammonium chloride (NH₄Cl) ib leeg ua cov flux. Lwm hom siv kev sib xyaw ntawm ammonium
Tom qab pickling, yaug, thiab xaiv immersion nyob rau hauv ib tug diluted hydrochloric acid tov, steel kav yuav tsum tau coated nrog ib txheej ntawm concentrated hydrochloric acid,