ASTM A563m waa halbeega sheyga loogu talagalay nuxurka 'HExagon' ee culus ee uu soo saaray bulshada Mareykanka ee baaritaanka iyo alaabada (ASTM). Heerkan ayaa inta badan qeexaya shuruudaha ka kooban kiimikada, guryaha farsamada, uqaadashada cabbirka, daaweynta dusha sare, iwm.