Cast steel is used for structural castings such as hawsepipes and stern castings, but the number of castings used nowadays is less than formerly, as it is often possible to produce a lighter and cheaper fitting by fabricating it from mild steel, using welding .
Intsimbi yesinyithi isetyenziselwa ukwenza izinto ezifana nemibhobho kunye nokwenza izinto zangasemva, kodwa inani lokwenza izinto ngesinyithi zimbalwa kunesiqhelo, nanjengoko kusenzeka ukuvelisa isixhobo sokufakelwa esitshiphu ngokuthi yenziwe ngentsimbi ephakathi, kusetyenziswa ukuwelda.