Acid soil corrosion-resistant steel and preparation method thereof
A soil corrosion and acid resistance technology, applied in the field of metallurgy, can solve the problems of corrosion, affecting the safe operation of electrical equipment, loss of land for electrical equipment, etc., and achieve the effect of satisfying strength and good acid resistance to soil corrosion.
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[0014] In order to facilitate the understanding of the present invention, the following will describe the present invention more fully through specific embodiments. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0015] Acid soil corrosion-resistant steel, its components and weight percentages are: C: 0.174-0.182%, Si: 0.51-0.55%, Mn: 1.43-1.63%, P: ≤0.008%, S: ≤0.002%, Nb: 0.018~0.024%, Ti: 0.029~0.032%, V: 0.032~0.045%, W: 0.06~0.12%, Mg: 0.0081~0.0093%, Sn: 0.08~0.13%, O: ≤0.0016%, and the rest are Fe and Inevitable inclusion.
[0016] The preparation method of acid soil corrosion resistant steel comprises the following steps:
[0017] (1) Carry out desulfurization of molten iron, and control S≤0.001% in molten iron;
[0018] (2) Carry out con...
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