ERW welding round amapayipi abizwa nangokuthi njengoba Electric Resistance Welded Pipes.Lolu hlobo lwamapayipi ensimbi namashubhu asetshenziswa kabanzi emikhakheni ehlukahlukene njengezinjongo zobunjiniyela, uthango, isikafula, amapayipi olayini njll. Amapayipi ensimbi e-ERW namashubhu atholakala ngezimfanelo ezihlukahlukene, ubukhulu bodonga, nobubanzi bamapayipi aphelile.
