Yog vim li cas rau Pickling Steel Tube Billets

Lub hom phiaj ntawm pickling steel tube billets yog tshem tawm cov hlau oxide nplai tsim ntawm cov hlau raj nws tus kheej thiab thaum lub sij hawm vuam. Txawm hais tias qee qhov ntawm cov hlau oxide nplai tuaj yeem tev tawm thaum lub sawb billet zoo li tus, cov hlau uas muaj cov substrate yuav sai sai ua xeb nrog oxygen thiab ya raws hauv huab cua. Yog tias ob hom oxides no tsis raug tshem tawm ua ntej kub-dip galvanizing, lawv yuav tiv thaiv cov tshuaj tiv thaiv ntawm cov hlau substrate thiab cov zinc molten. Yog li ntawd, lub cheeb tsam yuav tsis coated nrog zinc, uas ua rau uncoated dub me ntsis.