Cov khoom no siv tshuaj ua kom zoo nkauj alloy li cov khoom siv raw, siv hmoov metres metots, thiab yog tsim los ntawm tshwj xeeb txias thiab kub kev kho mob. Cov khoom muaj qhov zoo ntawm cov muaj zog oxidation tsis kam, zoo corrosionmal cov cheebtsam, lub neej ntev ntawm qhov kub thiab txias thiab hloov me me. Nws yog qhov ntsuas kub 1420 c, muaj zog hluav taws xob, cov cua corrosive, cov pa roj carbon thiab lwm qhov chaw ua haujlwm. Nws tuaj yeem siv rau hauv cov khoom siv hluav taws xob, kev kub siab kub kho cua sov sov rhuab, ntsuas hluav taws xob, hluav taws xob muaj cov tshuab raj thiab diffusion robraces.