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Karfe welded karfe bututu
Karfe bututu ana yin su ne ta hanyar coil ɗin ƙarfe, extrusion yana buɗewa a ƙarƙashin yanayin zafi na yau da kullun, sannan a ɗauki fasahar waya biyu da kuma welded mai fuska biyu na ruwa.
Karfe bututu ana yin su ne ta hanyar coil ɗin ƙarfe, extrusion yana buɗewa a ƙarƙashin yanayin zafi na yau da kullun, sannan a ɗauki fasahar waya biyu da kuma welded mai fuska biyu na ruwa.