High-strength corrosion-resistant steel bar prepared from vanadium-nitrogen alloy and preparation method of high-strength corrosion-resistant steel bar
A vanadium-nitrogen alloy and high-strength technology, which is applied in the field of vanadium-nitrogen alloy preparation of high-strength corrosion-resistant steel bars and its preparation, can solve the problems of limiting the practical application of corrosion-resistant steel bars, economic losses, and undetermined anti-corrosion effects
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Embodiment 1
[0029] A high-strength corrosion-resistant steel bar prepared by a vanadium-nitrogen alloy, mainly including: 100 parts of pig iron, 50 parts of lime, 25 parts of dolomite, 2 parts of magnesite ball slagging, 40 parts of composite alloy, and 2 parts of deoxidized agent, 1 part molten steel covering agent.
[0030] A preparation method for preparing high-strength corrosion-resistant steel bars by vanadium-nitrogen alloys, the preparation method for preparing high-strength corrosion-resistant steel bars by vanadium-nitrogen alloys mainly includes the following preparation steps:
[0031] (1) Add pig iron and molten iron into the converter according to the mass ratio of 1:18, raise the temperature to 1480°C, keep warm for 40 minutes, blowing, and then add lime, dolomite and magnesite ball slag, lime according to the mass ratio of 1:0.5:0.04 The mass ratio to pig iron is 1:0.5, the tapping temperature is 1670°C, the whole process of tapping argon is adopted, the flow rate of argon...
Embodiment 2
[0036] A high-strength corrosion-resistant steel bar prepared by a vanadium-nitrogen alloy, mainly including: 150 parts of pig iron, 75 parts of lime, 43 parts of dolomite, 5 parts of magnesite slag, 70 parts of composite alloy, and 5 parts of deoxidized Agent, 3 parts of molten steel covering agent.
[0037] A preparation method for preparing high-strength corrosion-resistant steel bars by vanadium-nitrogen alloys, the preparation method for preparing high-strength corrosion-resistant steel bars by vanadium-nitrogen alloys mainly includes the following preparation steps:
[0038] (1) Add pig iron and molten iron into the converter at a mass ratio of 1:18.5, raise the temperature to 1500°C, keep warm for 35 minutes, and then blow it, then add lime, dolomite and magnesite balls to make slag and lime at a mass ratio of 1:0.573:0.0667 The mass ratio to pig iron is 1:0.5, the tapping temperature is 1675°C, the whole process of bottom blowing argon is adopted in the tapping process...
Embodiment 3
[0043] A high-strength corrosion-resistant steel bar prepared by a vanadium-nitrogen alloy, mainly including: 200 parts of pig iron, 100 parts of lime, 60 parts of dolomite, 8 parts of magnesite slag, 100 parts of composite alloy, and 8 parts of deoxidized agent, 4 parts of molten steel covering agent.
[0044] A preparation method for preparing high-strength corrosion-resistant steel bars by vanadium-nitrogen alloys, the preparation method for preparing high-strength corrosion-resistant steel bars by vanadium-nitrogen alloys mainly includes the following preparation steps:
[0045] (1) Add pig iron and molten iron into the converter at a mass ratio of 1:19, raise the temperature to 1520°C, keep it warm for 30 minutes, blow it, and then add lime, dolomite and magnesite ball slag, lime at a mass ratio of 1:0.6:0.08 The mass ratio to pig iron is 1:0.5, the tapping temperature is 1680°C, the whole process of bottom blowing argon is adopted in the tapping process, the argon flow r...
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