Hafnium zirconium titanium reinforced austenitic stainless steel and preparation method thereof
A technology of austenitic stainless steel and stainless steel, which is applied in the field of austenitic stainless steel, can solve the problems of low mechanical properties such as radiation resistance and corrosion resistance, and achieve improved radiation resistance, increased strength, and strong process controllability Effect
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Embodiment 1
[0029] Select pure iron, metal chromium, metal nickel, metal manganese, metal hafnium, metal zirconium, metal titanium, iron-silicon, iron-carbon block raw materials, the composition of the prepared austenitic stainless steel is as follows: C=0.05, Ni=11, Cr=20 , Ti=0.1, Hf=0.05, Zr=0.1, Mn=2, Si=1, P≤0.035, S≤0.030, Fe=balance.
[0030] Cast alloy ingots by arc melting or induction melting; smelting is carried out in vacuum or argon protection, and magnetic stirring technology is used to mix the metal solution evenly during the melting process; protection casting is carried out under vacuum or argon protection, and the size is cast into square or round ingot;
[0031] The ingot is hot-rolled by a rolling mill. The hot-rolling plan is to heat the billet to 1200±10°C, heat it for 24 hours and then roll it out of the furnace. The hot-rolling start temperature is 1180±20°C, the final rolling temperature is ≥950°C, and the plate is hot-rolled. The total amount of betting ≥ 60%; ...
Embodiment 2
[0036] Select pure iron, metal chromium, metal nickel, metal manganese, metal hafnium, metal zirconium, metal titanium, iron-silicon, iron-carbon block raw materials, the composition of the prepared austenitic stainless steel is as follows: C=0.05, Ni=11, Cr=20 , Ti=0.1, Hf=0.2, Zr=0.1, Mn=2, Si=1, P≤0.035, S≤0.030, Fe=balance.
[0037] Cast alloy ingots by arc melting or induction melting; smelting is carried out in vacuum or argon protection, and magnetic stirring technology is used to mix the metal solution evenly during the melting process; protection casting is carried out under vacuum or argon protection, and the size is cast into square or round ingot;
[0038] The ingot is hot-rolled by a rolling mill. The hot-rolling plan is to heat the billet to 1250±10°C, heat it for 10 hours and then roll it out of the furnace. The hot-rolling start temperature is 1240±20°C, the final rolling temperature is ≥950°C, and the plate is hot-rolled The total amount of betting ≥ 60%;
...
Embodiment 3
[0043] Select pure iron, metal chromium, metal nickel, metal manganese, metal hafnium, metal zirconium, metal titanium, iron-silicon, iron-carbon block raw materials, the composition of the prepared austenitic stainless steel is as follows: C=0.05, Ni=11, Cr=20 , Ti=0.1, Hf=0.4, Zr=0.1, Mn=2, Si=1, P≤0.035, S≤0.030, Fe=balance.
[0044] Cast alloy ingots by arc melting or induction melting; smelting is carried out in vacuum or argon protection, and magnetic stirring technology is used to mix the metal solution evenly during the melting process; protection casting is carried out under vacuum or argon protection, and the size is cast into square or round ingot;
[0045] The ingot is hot-rolled by a rolling mill to open the billet. The hot-rolling plan is to heat the billet to 1150±10°C, heat it for 24 hours and then roll it out of the furnace. The hot-rolling start temperature is 1140±20°C, and the final rolling temperature is ≥950°C. The total amount of betting ≥ 60%;
[0046...
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Abstract
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