Seawater corrosion resistant steel plate with high crack arrest and strain aging embrittlement resistance characteristics and manufacturing method thereof
A technology of anti-strain aging and manufacturing method, which is applied in the field of seawater corrosion-resistant steel plates, and can solve problems that do not involve the anti-strain aging embrittlement characteristics of steel plates, seawater corrosion resistance, and difficulty in ensuring low-temperature toughness, etc.
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[0073] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0074] Refer to Table 1 for the composition of the steel in the embodiment of the present invention, Table 2 to Table 4 show the manufacturing process of the steel in the embodiment of the present invention, and Table 5 and Table 6 show the properties of the steel plate in the embodiment of the present invention.
[0075] Depend on figure 1 It can be seen that the microstructure of the steel plate is uniform and fine ferrite + dispersed bainite, and the average grain size of the microstructure is below 10 μm.
[0076] The steel plate of the present invention is designed through combination of components and combined with the TMCP+T manufacturing process, not only can produce TMCP steel plate with excellent comprehensive performance at a low cost, but also greatly shorten the manufacturing cycle of the steel plate, creating huge value for the enterprise ...
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