Abstract
The application performances of TA2 titanium\S44660 super ferrite stainless steel\B30 cupronickel, which are widely used in power plant, were researched using electrochemical test and mechanical test. The results show that corrosion resistance of B30 is significantly lower than TA2 and S44660. Besides, corrosion resistance of S44660 is superior to TA2. Yield strength and tensile strength of S44660 is higher than TA2 and B30. When considering thickness of cooling tubes, flow rate of cooling water and clean coefficient, the thermal conductivity of three materials have little differences. The shock resistance of S44660 is better than TA2 and B30. S44660 contains a small amount of Ni, which improves greatly the anti-cracking ability of the base metal and welding bead.
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