Corten ígwè bụ ígwè nke agbakwunyere phosphorus, ọla kọpa, chromium na nickel molybdenum. Alloys ndị a na-akwalite nguzogide corrosion nke ikuku nke Corten site n'ịme akwa mkpuchi n'elu. Ọ na-adaba na ngalaba nke ibelata ma ọ bụ iwepụ iji agba, primers ma ọ bụ ihe osise na ihe iji gbochie nchara. Mgbe ekpughere ya na gburugburu ebe obibi, nchara na-etolite akwa ọla kọpa-acha ndụ ndụ na-arụ ọrụ iji chebe ígwè ahụ pụọ na mmebi. Ya mere a na-akpọ ígwè a corten steel.
N'ebe dị mma, nchara corten ga-eme ka nchara na-akwado "slurry" nke na-egbochi mmebi ọzọ. Ọnụego nrụrụaka dị obere nke na àkwà mmiri ndị a rụrụ site na nchara corten a na-eseghị ihe nwere ike nweta ndụ imewe nke afọ 120 na-eji naanị nhazi aha.
Corten ígwè nwere ọnụ ahịa mmezi dị ala, ogologo ndụ ọrụ, ike ịrụ ọrụ siri ike, nguzogide okpomọkụ na nguzogide corrosion. N'adịghị ka igwe anaghị agba nchara, ọ naghị agba nchara ma ọlị. Igwe ihu igwe nwere naanị oxidation elu ma ọ dịghị abanye n'ime ime. Ọ nwere ihe mgbochi corrosion nke ọla kọpa ma ọ bụ aluminom. Ka oge na-aga, a na-ekpuchi ya na mkpuchi mgbochi corrosion na-acha patina; grill dị n'èzí nke corten steel mara mma, na-adịgide adịgide, na-achọkwa obere mmezi.