A420 WP L3 WP LP LP L6 Elbow ukuze isetshenziswe ekucindezelweni kwamapayipi kanye nenkomba yemikhumbi yokucindezela emazingeni okushisa aphansi
Ukukhokhiswa kwensimbi yekhabhoni, okwenziwe ngokuya nge-ASTM A105, ngokuvamile kusetshenziselwa izinhlelo zokusebenza zamapayipi.
Ama-elbows ayizinto ezifakiwe zenzelwe ukugxila noma ukuthonya ukuqondiswa kokugeleza kwabezindaba. Ama-elbows ensimbi akhiwa ngama-engeli angama-22.5 degrees, A234 wpb buttweld elbow 45 degree noma nama-degree angama-90. I-SA234 WPB Elbow uhlobo lokufaneleka olungasetshenziswa ukujoyina izingcezu ezimbili zamapayipi, anobukhulu obuhlukile. I-ASTM ehle kakhulu ye-ASTM A234 I-Elbow ibizwa kakhulu ngoba ibukeka njengesiqeshana esincishisiwe kanye ne-elbow ihlanganiswe esiqeshini esisodwa esiyingqayizivele. Ibanga lensimbi le-A234 le-WPB lilungele izinhlelo zokusebenza eziphakathi nendawo eziphakeme. Ibanga elijwayelekile elisetshenziselwa ukufakwa kwamapayipi.