Intsimbi ye-Corten yiklasi yentsimbi ye-alloy, emva kweminyaka eliqela yokuvezwa kwangaphandle inokwenza umaleko oxineneyo womhlwa phezu komhlaba, ngoko akufuneki ukuba ikhuselwe ipeyintiwe. Uninzi lweentsimbi eziphantsi-alloy zikholisa ukugqwala okanye ukugqwala ngokuhamba kwexesha xa zibonakaliswe kukufuma emanzini okanye emoyeni. Lo maleko womhlwa uba neentunja kwaye uwe kumphezulu wentsimbi. Inganyangeki kwi-corrosion efunyenwe ngamanye ama-alloy steels aphantsi.
Intsimbi yeCorten ixhathisa imiphumo eyingozi yemvula, ikhephu, umkhenkce, inkungu, kunye nezinye iimeko zemozulu ngokwenza i-oxidizing emdaka omnyama phezu komhlaba. Intsimbi yeCorten luhlobo lwentsimbi ene-phosphorus, ubhedu, i-chromium, i-nickel kunye ne-molybdenum. Ezi ngxube ziphucula ukuxhathisa kwe-atmospheric corrosion of steel weathering ngokwenza umaleko okhuselayo kumphezulu wayo.
Intsimbi yeCorten ayinakumelana nokugqwala ngokupheleleyo, kodwa xa sele ikhulile, inokumelana ne-corrosion ephezulu (malunga nokuphindwe kabini kwentsimbi ye-carbon). Kwizicelo ezininzi zentsimbi yemozulu, umaleko womhlwa okhuselayo udla ngokukhula ngokwendalo emva kweminyaka eyi-6-10 yokuvezwa kwendalo kwinto (kuxhomekeke kwiqondo lokuvezwa). Isantya somhlwa asikho phantsi de kubonakaliswe amandla okukhusela omaleko womhlwa, kwaye i-flash rust yokuqala iya kungcolisa umphezulu wayo kunye neminye imiphezulu ekufutshane.