ERW Welding round amapayipi abizwa nangokuthi njengoba Electric Resistance Welded Pipes.Lolu hlobo amapayipi ensimbi kanye amashubhu kabanzi emikhakheni ehlukahlukene ezifana izinjongo zobunjiniyela, uthango, isikafula, amapayipi kalayini njll ERW amapayipi ensimbi kanye tube ayatholakala ngezimfanelo ezihlukahlukene, ukushuba odongeni, futhi ububanzi amapayipi aphelile.
