Cov qauv steel phaj:
Nws yog tsuas yog siv rau kev tsim steel qauv, txuas hniav, nkoj thiab tsheb.
Weathering steel phaj:
Qhov sib ntxiv ntawm cov khoom tshwj xeeb (P, Cu, C, thiab lwm yam) muaj qhov zoo corrosion kuj thiab atmospheric corrosion kuj, thiab yog siv nyob rau hauv zus tau tej cov ntim, tshwj xeeb tsheb, thiab kuj rau lub tsev.
Kub dov tshwj xeeb steel phaj:
Cov pa roj carbon steel, alloy steel thiab cov cuab yeej hlau rau cov qauv siv tshuab dav dav siv hauv kev tsim khoom ntawm ntau yam khoom siv tom qab kev kho cua sov engineering.