Dutanga urutonde rwuzuye rwa corten ibyuma byubusitani bwibicuruzwa byoroshye gushiraho, bishimishije muburyo bwiza, kwambara kandi bihendutse. Waba ushaka gukora ahantu hasobanutse, hagororotse hagaragara ibyatsi byoroshye kubungabunga, cyangwa urukurikirane rwibitanda byururabyo rwamaterasi, urashobora kubikora byihuse, byoroshye kandi bihendutse ukoresheje AHL munsi yubutaka no hejuru yubutaka bwa corten ibyuma byubusitani.
Mu myaka ya za 1930, Steel yo muri Amerika yakoze ibyuma bivangwa na Steel kugirango ikoreshwe hanze idasaba irangi. Yiswe Corten ibyuma. Imirima yubusitani ikozwe mubyuma bisa nibice byingenzi mubicuruzwa byacu. Icyuma cyagenewe kubona patina ishimishije mugihe gito ugereranije, kandi iyi ngese yo hejuru irashobora rwose kurinda ibyuma kutangirika. Ukoresheje ibyuma byikirere byikirere, urashobora gukora ibitanda byiza byindabyo, ahantu nyakatsi, inzira yubusitani hamwe nibiti bizengurutse ikigeragezo cyigihe. Imirima yacu yose yubusitani bwikirere izana garanti yimyaka 10, ariko hamwe no kuyitaho no kuyitaho, igomba kuguma imeze neza kurenza igihe: wenda imyaka 30 cyangwa 40!