Dhuumaha birta welded, sidoo kale loo yaqaan tube welded, birta welded waa tuubo bir ah oo leh tolmo taas oo leexanaysa oo qaabaysan oo wareegsan, labajibbaaran iyo qaabab kalexarig bir ah or saxan bir ahka dibna welded qaab. Cabirka guud ee go'an waa 6 mitir.
ERW tuubbo alxanfasalka: Q235A, Q235C, Q235B, 16Mn, 20#, Q345.
Qalabka caadiga ah: Q195-215; Q215-235
Heerarka fulinta: GB/T3091-2015,GB/T14291-2016 ,GB/T12770-2012 ,GB/T12771-2019 ,GB-T21835-2008
Baaxadda codsiga: Biyaha, warshadaha batroolka, warshadaha kiimikada, warshadaha tamarta korontada, waraabka beeraha, dhismaha magaalooyinka. Waxaa loo qaybiyaa shaqada: gaadiidka dareeraha ah (biyaha, dheecaanka), gaadiidka gaaska (gaaska, uumiga, gaaska dareeraha ah), isticmaalka qaab dhismeedka (tuubabka tuulan, buundooyinka; qulqulka, wadada, tuubada qaab dhismeedka).
Waqtiga boostada: Dec-26-2023
