Rectangular pombi imhando ye hollow square chikamu chiedza nhete-yakavezwa simbi pombi, inozivikanwawo sesimbi refrigerated bending chikamu. Icho chikamu chesimbi chine sikweya muchinjiko-chikamu chimiro uye saizi yakagadzirwa neQ235 inopisa-yakatenderedzwa kana kutonhora-yakatenderedzwa tambo kana coil seyakadzika zvinhu, iyo inoumbwa nekutonhora kubhenda uyezve high-frequency welding. Kunze kwekuwedzera kwemadziro emadziro, saizi yekona uye kumucheto kutsetseka kweiyo inopisa-yakakungurutswa yakawedzera-yakakora-yakavezwa square chubhu inosvika kana kudarika nhanho yekupikisa welded inotonhora-yakaumbwa square chubhu. Mutsara wemapombi ane rectangular: pombi dzesimbi dzakakamurwa kuita pombi dzesimbi dzisina musono uye pombi dzesimbi dzakasungwa (seamed pombi) inopisa-yakakungurutswa isina sikweya pombi, inotonhorera inodhonzwa isina musono mapaipi emativi, mapaipi asina musono eskweya mapaipi, uye welded square pombi.