**4. Conclusions**

In this paper, electrochemical corrosion tests and the full immersion corrosion experiments were performed in seawater at room temperature to investigate the electrochemical corrosion behavior and the corrosion mechanism of high-strength EH47. The main conclusions obtained by the analyses are as follows:


**Author Contributions:** Conceptualization, H.Z. and L.Y.; methodology, H.Z.; software, Y.Z. and F.A.; validation, Z.J., L.Y. and H.Z.; formal analysis, H.Z.; investigation, Y.Z., Y.L. and F.A.; writing— original draft preparation, H.Z. and Y.Z.; writing—review and editing, H.Z., Z.J. and H.L.; project administration, F.A. and Y.L. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research was funded by the State Key Laboratory of Metal Material for Marine Equipment and Application—University of Science and Technology Liaoning co-project (No. SKLMEA-USTL 2017010) and (No. HGSKL-USTLN(2019)05).

**Data Availability Statement:** Data presented in this article are available at request from the corresponding author.

**Conflicts of Interest:** The authors declare no conflict of interest.
