Alwaaxyada Birta Galvanized ee Heerka Sare ee Kulul ee lagu Daadiyay Australia
Maaddadu waxay ka samaysan tahay H-beam-ka Mareykanka ee ballaaran oo leh cabbirka ASTM A6. Heerka birta waxaa laga dooran karaa ASTM A572 GR50 /GR60, ASTM A992 ama Q355. Galvanizing-ka kulul wuxuu la mid yahay heerarka ASTM A123, ISO1461 iyo AS/NZS4680. Dabcan, waxaan sidoo kale ku faraxsanahay inaan buuxinno heerarka tayada kale iyo dhumucda dahaarka HDG ee kala duwan ee macaamiisheenna, maadaama ay tahay dhaqankeenna inaan si dhakhso ah uga jawaabno baahiyaha macaamiisha oo aan si degdeg ah wax uga qabanno. Kaydka muddada dheer ee shirkadda ee qeexitaannada guud ee alwaaxyada WF waa 2000 tan, si loo daboolo shuruudaha gaarsiinta ugu dhaqsaha badan ee macaamiisha.
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