Welded steel pipe: Pombi yesimbi ine musono pamusoro petambo yesimbi kana simbi ndiro yakagonya nekuremara kuita denderedzwa kana kuti square shape. Rusvingo rwemukati rwepombi yakashongedzwa ine welding mbabvu. Zvigadzirwa zvikuru zvinosanganisira: ERW simbi pombi, LSAW simbi pombi uye SSAW simbi pombi. Simbi pombi imhando yesimbi refu isina mhango, iyo inoshandiswa senzira yekufambisa mvura, semafuta, gasi rechisikigo, mvura, gasi, chiutsi, nezvimwe.