Electric Resistance Welding (ERW) bututu ana kera shi ne ta hanyar mirgina karfe sannan a yi masa walda a tsayin tsayinsa.Ana kera bututu mara nauyi ta hanyar fitar da karfe zuwa tsayin da ake so;don haka bututun ERW yana da haɗin gwiwa da aka yi masa walda a sashinsa, yayin da bututun da ba shi da sumul ba shi da wani haɗin gwiwa a cikin sashinsa ta tsawonsa.

A cikin bututu mara nauyi, babu walƙiya ko haɗin gwiwa kuma ana kera shi daga ƙaƙƙarfan billet ɗin zagaye.An gama bututu maras sumul zuwa ƙayyadaddun kauri da kauri na bango a cikin girma daga 1/8 inch zuwa 26 inch OD.Ana iya amfani da shi don aikace-aikacen matsanancin matsin lamba irin su Masana'antu na Hydrocarbon & Matatun Mai, Mai & Gas Exploration & Drilling, Man Fetur & Gas Transport da Air and Hydraulic cylinders, Bearings, Boilers, Motoci
da dai sauransu.

ERW (Electric Resistance Welded) bututu ana welded a tsayi, ƙera su daga Strip / Coil kuma ana iya kera su har zuwa 24" OD.sanyi bututun ERW ya samo asali daga ribbon na karfe wanda aka ja ta cikin jerin rollers kuma ya zama bututu wanda aka haɗa ta hanyar cajin lantarki.Ana amfani da shi musamman don ƙananan / matsakaita aikace-aikace kamar sufuri na ruwa / mai.Karfe Pearlites yana daya daga cikin manyan masu kera bututun Bakin Karfe na ERW kuma masu fitar da kaya daga Indiya.Tuntube mu don cikakkun bayanai na samfur.

Girman gama gari don ERW Steel Pipe kewayo daga 2 3/8 inch OD zuwa 24 inch OD a tsayi iri-iri zuwa sama da ƙafa 100.Ana samun ƙarewar saman cikin tsirara da tsari mai rufi kuma ana iya sarrafa sarrafawa akan rukunin yanar gizo zuwa ƙayyadaddun abokin ciniki.