Jeklene cevi so pomembne sestavine v vodovodnih cevovodih za spreminjanje smeri tekočine.
Nekateri od njih so prirobnica in kovača. So za cevovode manjšega premera. Ta ocena ASTM ASTM A105 iz ogljikovega jekla je najbolj ustreza v tlačnih sistemih, ki potrebujejo servis pri visokih temperaturah.
The materials of elbows are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals, plastics, etc. The connection methods with pipes include direct welding (the most common method) flange connection, hot melt connection, electrofusion connection, threaded connection, socket connection, etc. According to the production process, it can be divided into welding elbow, stamping elbow, hot pressing elbow, potiskanje komolca, vlivanje komolca, kovanje komolca, komolca itd. Druga imena: 90¡Ã komolca, desni kot komolca, ljubezenski komolčni glava, beli jekleni komolec itd.
