Ibikoresho byakozwe mu bwoko bwa American Standard Wide-FlangeUmurabyo wa Hhamwe n'ingano isanzwe ya ASTM A6. Ingano y'icyuma ishobora gutoranywa hagati ya ASTM A572 GR50 /GR60, ASTM A992 cyangwa Q355. Ingufu zishyushye zo gukaraba zihuye n'amahame ya ASTM A123, ISO1461 na AS/NZS4680. Birumvikana ko twishimiye kandi kuzuza andi mahame y'ubuziranenge n'ubugari butandukanye bwa HDG ku bakiriya bacu, kuko ari umuco wacu gusubiza vuba ibyo abakiriya bakeneye no guhita bakora. Urutonde rw'igihe kirekire rw'ibipimo bisanzwe bya WF rutanga toni 2000, kugira ngo ruhuze n'ibyo umukiriya akeneye mu buryo bwihuse.