Iintlobo zeepayipi zentsimbi yekhabhoni
Imibhobho yentsimbi yekhabhoni inokwahlulwa ngokweendlela zayo zokuvelisa ngolu hlobo lulandelayo:
1. Umbhobho weNtsimbi engenamthungo (SMLS)
- Yenziwe ngokubhoboza i-billet eqinileyo uze uyikhuphe kwityhubhu engenanto.
- Akukho mthungo wokuwelda, uqinile xa uphantsi koxinzelelo oluphezulu.
- Izixhobo: Ioyile/igesi enoxinzelelo oluphezulu, iibhoyila, iinkqubo ze-hydraulic.
2. Umbhobho wentsimbi edibeneyo
(a) Umbhobho we-ERW (oXhatshazwayo ngoMbane)
- Yenziwe nge-rolling steel strip kunye nemiphetho ye-welding esebenzisa ukumelana nombane.
- Umthungo othe tye, ongabizi kakhulu.
- Izicelo: Imibhobho yamanzi/yegesi, ukusetyenziswa kwesakhiwo.
(b) Umbhobho we-LSAW (Longitudinal Submerged Arc Welded)
- Yenziwe ngokugoba nokuwelda iipleyiti zentsimbi ngobude (inkqubo ye-SAW).
- Umthungo omnye othe tye, osetyenziselwa ububanzi obukhulu.
- Izicelo: Ukuhanjiswa kweoyile/igesi, imibhobho engaselunxwemeni.
(c) Umbhobho we-SSAW (Spiral Submerged Arc Welded)
- Yenziwe nge-strip yentsimbi ejijekileyo kunye ne-welding ene-arc engaphantsi komhlaba.
- Umthungo ojikelezileyo, usasazo olungcono loxinzelelo.
- Izicelo: Iipayipi ezinkulu, ezipakishwayo.
Imigangatho yeepayipi zentsimbi yekhabhoni
| Uhlobo | Inkqubo | Uphawu oluPhambili | Imigangatho Efanayo |
|---|---|---|---|
| Akukho mthungo | Ukukhupha okushushu, umzobo obandayo | Akukho weld, amandla aphezulu | I-ASTM A106, i-API 5L, i-ASTM A252 |
| I-ERW | Ukuwelda kokumelana nombane | Umthungo othe tye, ongabizi kakhulu | I-ASTM A53 (E), EN 10255, EN10219, BS1387 |
| I-LSAW | Ukuwelda kwe-arc engaphantsi komhlaba ende | Izindonga ezijiyileyo, ububanzi obukhulu | I-API 5L, i-ASTM A671, i-ASTM A252 |
| I-SSAW | Ukuwelda kwe-arc engaphantsi komhlaba okujikelezileyo | Umthungo ojikelezayo, omelana noxinzelelo | I-API 5L, i-ASTM A252 |
Ixesha leposi: Julayi-18-2025