Icyuma cya Corten nicyiciro cyibyuma bivanze, nyuma yimyaka myinshi yo hanze bishobora gukora igicucu cyinshi cyane hejuru yubutaka, ntabwo rero gikeneye gusiga irangi. Ibyuma byinshi-bivanze cyane bikunda kubora cyangwa kubora mugihe iyo bihuye nubushuhe mumazi cyangwa mwuka. Uru rugomero ruba rwinshi kandi rugwa hejuru yicyuma. Irwanya ruswa yibasiwe nandi mashanyarazi make.
Ibyuma bya Corten birwanya ingaruka zangiza imvura, shelegi, urubura, igihu, nibindi bihe byikirere bikora igicucu cyijimye cyijimye cyijimye hejuru yicyuma. Icyuma cya Corten ni ubwoko bwibyuma byongewemo fosifore, umuringa, chromium, nikel na molybdenum. Iyi mvange iteza imbere kwangirika kwikirere kwicyuma cyikirere ikora urwego rukingira hejuru yacyo.
Ibyuma bya Corten ntabwo birwanya ingese rwose, ariko iyo bimaze gusaza, bifite ruswa irwanya ruswa (hafi kabiri ibyuma bya karubone). Muburyo bwinshi bwo gukoresha ikirere, ikirere gikingira ingese gikura muburyo busanzwe nyuma yimyaka 6-10 yibintu bisanzwe (bitewe nurwego rwo guhura). Igipimo cyo kwangirika ntikiri hasi kugeza igihe hagaragaye ubushobozi bwo gukingira ingese, kandi flash flash yambere izanduza ubuso bwayo ndetse nubundi buso buri hafi.