Tuubooyinka birta ah ee la alxanka leh, oo sidoo kale loo yaqaan tuubo la alxamay, tuubo bir ah oo la alxamay waa tuubo bir ah oo leh tolmo oo qaloocan oo u qaabaysan qaab wareegsan, afargeesle ah iyo qaabab kale iyadoo la adeegsanayoxarig bir ah or saxan bir ahka dibna qaab ahaan loo tolay. Cabbirka guud ee go'an waa 6 mitir.
BUUNI LA WEELEEYAYdarajada: Q235A, Q235C, Q235B, 16Mn, 20#, Q345.
Alaabada caadiga ah: Q195-215; Q215-235
Heerarka hirgelinta: GB/T3091-2015,GB/T14291-2016,GB/T12770-2012,GB/T12771-2019,GB-T21835-2008
Baaxadda codsiga: Biyaha, warshadaha kiimikada batroolka, warshadaha kiimikada, warshadaha korontada, waraabka beeraha, dhismaha magaalooyinka. Waxaa loo qaybiyaa shaqada: gaadiidka dareeraha ah (sahayda biyaha, dheecaanka), gaadiidka gaaska (gaaska, uumiga, gaaska batroolka dareeraha ah), loogu talagalay isticmaalka dhismaha (tuubada tuulmada, buundooyinka; dekadda, waddada, tuubada dhismaha).
Waqtiga boostada: Diseembar-26-2023
