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Thermal cracking. In thermal cracking, high temperatures (typically in the range of 450Â°C to 750Â°C) and pressures (up to about 70 atmospheres) are used to break the large hydrocarbons into smaller ones. Thermal cracking gives mixtures of products containing high proportions of hydrocarbons with double bonds - alkenes.
Emphasis is placed on the. identification of the various types of HzS-related corrosion and environmental cracking that can occur, the origin and mechanisms, and the methods of control. Keywords: sulfide stress cracking, SSC, hydrogen induced cracking, HIC, stress oriented hydrogen.