1. ASTM A36 Ibikoresho by'urukiramende bigari
Kubera ko ASTM A36 ari icyuma gisanzwe cya karuboni, ifite ubushobozi bwo gusudira neza kandi ihendutse. Ubwo bwoko bw'icyuma ni bwiza cyane mu ikoreshwa muri rusange mu bwubatsi, kandi ntabwo bugomba kuba bukomeye cyane. A36 ni ibikoresho bikoreshwa cyane muImirasire ya H 150 x 150naImirasire ya H 300 x 300n'ibindi kuko byoroshye kuyishyushya kandi ikaba ifite uburyo bwinshi bwo kuyikoresha.
2. ASTM A572-50 Imirasire y'urukiramende rwagutse
Iyi cyuma gifite imbaraga nke kandi gitanga umusaruro mwinshi ni icyuma cy’ubwubatsi kingana n’icyuma cya karuboni cya A36 kandi gifite imbaraga nyinshi zituma gikoreshwa mu bikorwa byinshi, nko mu kubaka ibiraro cyangwa inyubako z’amagorofa menshi. Imitako y’ubugari bwa Astm A572-50 ikwiriye cyane mu kubaka ibiraro no mu nyubako ndende. Ingufu nziza hamwe n’ubukomere bwiza kugira ngo bitange imyitwarire myiza mu gihe cy’imitwaro.
3. ASTM A992 Imirasire y'urukiramende rugari
Imitako y'ubugari bwa ASTM A992 ubu ni inyubako y'inyubako zikozwe mu buryo bwa organic muri Amerika ya Ruguru, yari ikwiriye cyane ku nyubako z'ibyuma. Bitanga igipimo cyo hejuru cy'imbaraga hagati y'uburemere, ubushobozi bwo gusudira neza no gukomera cyane mu kunama, imitako ya A992 yabonye umwanya wayo mu nyubako nyinshi zigezweho. Waba uguze imitako y'icyuma gishyushye cya H cyangwaIngano z'umuraba wa Hcyangwa ukeneye umwiharikoIbipimo by'umuraba wa H, Ubwiza bwa A992 ni ubwo kwizerwa.
