Abstract
Temperature and operating pressure are important to stress corrosion cracking (SCC) of stainless steel. The SCC susceptibility of 18-8 type austenitic stainless steel, 06Cr18Ni11Ti (S32168), in an environment containing hydrogen chloride was assessed using the slow strain rate tensile (SSRT) test under different temperature and operating pressure. Results of the SSRT test indicated that the impact of operating pressure on the SCC susceptibility was different at different temperatures. The correlation degrees of temperature and operating pressure to SCC susceptibility were calculated using the grey relational theory. The correlation degree of temperature to the SCC susceptibility was greater than that of operating pressure to the SCC susceptibility.
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