Umbhobho weNtsimbi we-ERW
-                High Frequency Resistance Welded Steel PipeImibhobho yentsimbi ye-ERW yenziwe ngentsimbi ye-carbon kunye ne-alloy steel, kwaye isetyenziselwa ukuthutha ioli kunye negesi yendalo. 
 
                Imibhobho yentsimbi ye-ERW yenziwe ngentsimbi ye-carbon kunye ne-alloy steel, kwaye isetyenziselwa ukuthutha ioli kunye negesi yendalo.