Steel for marine riser and with excellent corrosion-resistant performance, and manufacturing method thereof
A technology for corrosion resistance and riser, which is applied in the field of steel plates for offshore drilling riser manufacturing, can solve the problem of not mentioning acid resistance, etc., and achieve the effect of improving the quality of the cast slab, excellent acid corrosion resistance, and excellent comprehensive performance.
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[0041] The following examples are used to specifically illustrate the contents of the present invention, and these examples are only general descriptions of the contents of the present invention, and do not limit the contents of the present invention.
[0042] The chemical composition of the steel of the embodiment of the present invention is shown in Table 1; the continuous casting process of the steel of the corresponding embodiment is shown in Table 2; the slab heating process of the steel of the corresponding embodiment is shown in Table 3; the rolling process of the steel of the corresponding embodiment is shown in Table 4; The cooling process of the steel of the embodiment is shown in Table 5; the tensile performance of the steel plate of the corresponding embodiment is shown in Table 6, and the toughness performance is shown in Table 7; the HIC resistance of the steel plate of the corresponding embodiment is shown in Table 8; Table 9.
[0043] Table 1 Example steel plat...
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