GH4169 alloy steel electroslag remelting refining slag and method for performing electroslag re-melting on GH4169 alloy steel
A GH4169, electroslag remelting technology, which is applied in the field of electrometallurgy and black metal materials, can solve the problems of weak removal of harmful elements and inclusions, easy burning, poor surface finish of steel ingots, etc., and achieves unstable oxidation The effect of low content of substances and variable price oxides, simple preparation process, and good market application prospects
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[0028] Example 1
[0029] A GH4169 alloy steel electroslag remelting refining slag, including the following components by weight: 65 parts of CaF 2 , 15 parts Al 2 O 3 , 12 parts CaO, 3 parts MgO and 5 parts TiO 2 .
[0030] The method of electroslag remelting GH4169 alloy steel using the above electroslag remelting refining slag includes the following steps:
[0031] 1) Prepare remelted refining slag according to the formula described in this embodiment, and bake the remelted refining slag at 800°C for 7 hours;
[0032] 2) Using GH4169 alloy steel as a consumable electrode, the electroslag remelting furnace is assembled, and the remelting refining slag baked in step 1) is added to the mold of the electroslag remelting furnace, and aluminum powder and The ferro-titanium powder is set to a voltage of 58V and a current of 2500A to be energized and arced to establish a slag pool; wherein the mass ratio of the aluminum powder, the ferro-titanium powder and the remelted refining slag is 10...
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[0037] Example 2
[0038] A GH4169 alloy steel electroslag remelting refining slag, including the following components by weight: 60 parts of CaF 2 , 20 parts Al 2 O 3 , 10 parts CaO, 5 parts MgO and 5 parts TiO 2 .
[0039] The method of electroslag remelting GH4169 alloy steel using the above electroslag remelting refining slag includes the following steps:
[0040] 1) Prepare remelted refining slag according to the formula described in this embodiment, and bake the remelted refining slag at 750°C for 9 hours;
[0041] 2) Using GH4169 alloy steel as a consumable electrode, the electroslag remelting furnace is assembled, and the remelting refining slag baked in step 1) is added to the mold of the electroslag remelting furnace, and aluminum powder and Ferro-titanium powder, set a voltage of 57V and a current of 2700A to energize and start an arc to establish a slag pool; wherein the mass ratio of aluminum powder, ferro-titanium powder and the remelted refining slag is 11:8:100;
[0042...
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[0046] Example 3
[0047] A GH4169 alloy steel electroslag remelting refining slag, including the following components by weight: 70 parts of CaF 2 , 15 parts Al 2 O 3 , 5 parts CaO, 6 parts MgO and 4 parts TiO 2 .
[0048] The method of electroslag remelting GH4169 alloy steel using the above electroslag remelting refining slag includes the following steps:
[0049] 1) Prepare remelted refining slag according to the formula described in this embodiment, and bake the remelted refining slag at 750°C for 8 hours;
[0050] 2) Using GH4169 alloy steel as a consumable electrode, the electroslag remelting furnace is assembled, and the remelting refining slag baked in step 1) is added to the mold of the electroslag remelting furnace, and aluminum powder and Ferro-titanium powder, set a voltage of 55V and a current of 3000A to energize and start an arc to establish a slag pool; wherein the mass ratio of aluminum powder, ferro-titanium powder and the remelted refining slag is 13:10:100;
[0051...
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