Ipayipi lensimbi elishiselwe, elaziwa nangokuthi ipayipi elishiselwe, ipayipi lensimbi elenziwe ngensimbi yensimbi noma i-strip steel ngemva kokugoqa nokushisela, ngokuvamile amamitha ayi-6.Inqubo yokukhiqiza ipayipi yensimbi ehlanganisiwe ilula, ukusebenza kahle kokukhiqiza okuphezulu, ukucaciswa okuhlukahlukene, ukutshalwa kwezimali kwemishini encane, kodwa amandla ajwayelekile aphansi kunepayipi lensimbi engenamthungo.
Ipayipi elishiselwe ububanzi elincane lamukela ukushisela komthungo oqondile, ipayipi elikhulu elishiselwe ububanzi lamukela ukushisela okuvunguzayo.Ngokusho kokuma kokuphela kwepayipi lensimbi, ihlukaniswe ipayipi elihlanganisiwe eliyindilinga kanye ne-special-shaped (isikwele, unxande, njll) ipayipi ehlanganisiwe;Ngokwezinto ezisetshenziswayo ezihlukene kanye nokusetshenziswa, ihlukaniswe yaba amapayipi ensimbi ashiselayo okuthutha uketshezi lwezimayini, amapayipi ensimbi ashiselwe ukuthutha uketshezi olunomfutho ophansi, namapayipi ensimbi ashiselwe kagesi amarola okuthutha amabhande.Ngokuvumelana nethebula lencazelo kanye nosayizi ezingeni likazwelonke lamanje, ubukhulu bangaphandle * bodonga buhlungwa kusukela kokuncane kuye kokukhulu.