Corrosion-resistant and biological-adhesion-resistant EH690 steel plate and manufacturing method thereof
A technology of EH690 and manufacturing method, which is applied in the field of steel material preparation, can solve the problem of inability to produce high-strength and large-thickness steel plates, large thickness, seawater corrosion-resistant ultra-high-strength marine steel plates, yield strength and steel plate thickness that cannot meet marine Requirements for the key structure of the engineering platform and other issues
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[0042]The following embodiments are used to specifically illustrate the content of the present invention, and these embodiments are only a general description of the content of the present invention, and do not limit the content of the present invention.
[0043]The chemical composition of the steel in the embodiment of the present invention is shown in Table 1, the heating and rolling process of the steel slab in the embodiment of the present invention is shown in Table 2, and the quenching and tempering treatment process of the steel in the embodiment of the present invention is shown in Table 3. 4. The marine environment corrosion resistance performance of the steel plate of the embodiment of the present invention is shown in Table 5. Table 6 The biological adhesion resistance performance of the steel of the embodiment of the present invention.
[0044]Table 1 The chemical composition of the steel in the embodiment of the present invention wt%
[0045] Example CSi Mn PSAls Ni CrMo Cu V...
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