Sulfide stress cracking (SSC), or sulfide stress corrosion cracking (SSCC), is a special corrosion type, a form of Stress Corrosion Cracking.

Sulfide stress cracking has special importance in gas and oil industry, as the materials being processed there (natural gas and crude oil) often contain considerable amount of hydrogen sulfide. SSC is a low temperature (temperature where water is liquid) effect of H₂S in an aqueous environment.