![]() D., 1997, 'Corrosion Atlas,' Elsevier, 3rd ed., p. ![]() If the degraded 12Cr alloy steel and non-degraded one were compared with fatigue characteristics, Any differences were not found regardless of temperature and degradation period. ![]() But, it was not susceptible in sulfide and chloride condition of several temperatures. Its surface had a few pits for long duration. From these results, the degradation conditions were determined in distilled water, 3.5 wt.% NaCl and 1M Na $_2$SO $_4$solution at room temperature, 60 $\^$ during 3, 6 and 9 months. It showed that the higher temperature, the faster corrosion rates and corrosion rates were the fastest in 3.5 wt.% NaCl and 1M Na $_2$SO $_4$solution. The polarization tests recommended in ASTM G5 standard for corrosion susceptibility in the various corrosive solutions was estimated. ![]() To estimate the reliability of 12Cr alloy steel, the material of turbine blade in the steam power plant, Its corrosion susceptibility and fatigue characteristics in NaCl and Na $_2$SO $_4$solution with the difference of concentration and temperature was investigated. ![]()
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