Corrosion-resistant low-carbon steel wire rod with deformation performance and preparation process thereof

Abstract

The invention relates to the technical field of steel wire rods, and discloses a corrosion-resistant low-carbon steel wire rod with deformation performance and a preparation process thereof.The corrosion-resistant low-carbon steel wire rod comprises 0.04%-0.15% of C, 0.7%-0.9% of Mn, 0.05%-0.14% of Si, 0.015%-0.02% of P, 0.02%-0.07% of S, 0.02%-0.03% of Cr, 0.02%-0.03% of Ni, 0.008%-0.025% of Al, 0.03%-0.04% of Si, 0.056%-0.068% of Cu, 0.0024%-0.0038% of S0, 0.25%-0.30% of Mn, 0.015%-0.025% of Als, 0.007%-0.009% of Ce, 0.004%-0.006% of La and the balance Fe and inevitable impurities. By means of the process, the steel wire rods are stably produced in batches, the steel wire with the excellent surface quality and the zinc coating is obtained, the steel wire rod is suitable for being erected in coastal areas and areas with industrial pollution or heavy salt mist, not prone to corrosion and long in service life, the production raw materials are researched and improved, the steel wire rods are improved fundamentally, and the production cost is reduced. The use efficiency of the steel wire rod is greatly improved, and the deformation performance and the corrosion resistance of the steel wire rod are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of steel wires, and in particular relates to a corrosion-resistant low-carbon steel wire with deformation performance and a preparation process thereof. Background Art

[0002] Steel materials are the most widely used metal materials in the world. They are often exposed to the atmosphere for a long time. Oxidation and rust on the surface of metal materials are inevitable. Steel wires are workpieces that are exposed for a long time. Once the skin oxidation occurs, it is easy to break, which will shorten the service life of subsequent use. Therefore, we propose a corrosion-resistant low-carbon steel wire with deformation performance and its preparation process. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a corrosion-resistant low-carbon steel wire with deformation performance and a preparation process thereof, which effectively solves the above problems.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a corrosion-resistant low-carbon steel wire with deformation performance, comprising C: 0.04-0.15%, Mn: 0.7-0.9%, Si: 0.05-0.14%, P: 0.015-0.02%, S: 0.02-0.07%, Cr: 0.02-0.03%, Ni: 0.02-0.03%, Al: 0.008-0.025%, Si: 0.03-0.04%, Cu: 0.056-0.068%, S0: 0.0024-0.0038%, Mn: 0.25-0.30, Als: 0.015-0.025%, Ce: 0.007-0.009%, La: 0.004-0.006%, and the rest is Fe and unavoidable impurities.

[0005] A preparation process of a corrosion-resistant low-carbon steel wire with deformation performance, the preparation process specifically comprising the following steps:

[0006] S1: Raw material preparation, C: 0.04-0.15%, Mn: 0.7-0.9%, Si: 0.05-0.14%, P: 0.015-0.02%, S: 0.02-0.07%, Cr: 0.02-0.03%, Ni: 0.02-0.03%, Al: 0.008-0.025%, Si: 0.03-0.04%, Cu: 0.056-0.068%, S0: 0.0024-0.0038%, Mn: 0.25-0.30, Als: 0.015-0.025%, Ce: 0.007-0.009%, La: 0.004-0.006%, and Fe are prepared, and then the raw materials are fed into an electric arc furnace to generate steel;

[0007] S2: Molten steel conditioning, quenching and tempering the molten steel, removing slag, and then continuously heating the molten steel until the temperature of the molten steel reaches 1630 degrees Celsius, putting aluminum wire about 0.03% of the mass of the molten steel into the ladle, and then pouring the molten steel into the preheated ladle for pouring;

[0008] S3: Deoxidation of molten steel: the molten steel in the ladle is transported to the argon blowing station, and a deoxidizer is added to perform secondary deoxidation on the molten steel, and the weight percentage of oxygen in the molten steel is controlled to be 0.005-0.015%. During the treatment process of the argon blowing station, argon is blown from the bottom of the ladle throughout the process, and the argon flow rate is 10-30Nm3 / h;

[0009] S4: Molten steel pouring, hoisting the ladle to the continuous casting station, pouring the molten steel to form a billet, cleaning the tundish, and moving the tundish and nozzle to the casting position after baking. The long nozzle is used for casting from the large ladle to the tundish, and the immersion nozzle is used from the tundish to the crystallizer. The argon blowing flow rate of the stopper rod is 5.75-6.3NL / min, the temperature of the tundish is 1500-1700℃, the casting cycle is 40-50min, the total oxygen in the tundish is 15ppm, and the total oxygen in the billet is 12ppm;

[0010] S5: Ingot quenching, the ingot is sent to the heating furnace for quenching, the furnace temperature is greater than 550℃, the heating temperature is 1180-1210℃, the heating time is 6-9h, the furnace temperature is 570-580℃, the temperature is increased to 920-950℃ at a rate of 100-140℃ / h, and the temperature is increased to 1190-1250℃ at a rate of 120-140℃ / h, and then tempered after oil cooling. The tempering method is: heating to 530-570℃, keeping warm for more than 4h, and then using a 4500T press to forge into a square billet;

[0011] S6: Wire production, the billet obtained in S5 is heated in a walking beam heating furnace, and the furnace temperature is controlled at 1030-1050℃. The Morgan sixth-generation high-speed wire mill and the super-heavy-load 45° top-cross two-roll mill are used, and the "8+4" finishing mill and the sizing mill are arranged to perform low-temperature rolling to form wire;

[0012] S7: heating the wire, pulling the wire to a spinning machine, cooling the processed wire to 1100°C by air cooling through the spinning machine, sending it to a solid solution furnace for solid solution treatment at a temperature of 1000-1100°C, straightening the wire in the solid solution furnace body, and reheating the stainless steel wire after straightening in the solid solution furnace body;

[0013] S8: Surface treatment before plating: Degreasing and rusting the wire to obtain a wire with a clean surface, immersing the wire with a clean surface in a plating agent solution at a temperature of 70-85°C for 20-60 seconds, then taking the wire out of the plating agent solution and drying it at a drying temperature of 50-80°C;

[0014] S9: Wire electroplating, then immersing the treated wire into a corrosion-resistant liquid for electroplating, the electroplating time is 40-80S, so as to obtain a corrosion-resistant low-carbon wire.

[0015] Preferably, the method for generating molten steel in S1 is as follows: various raw materials are added to an electric arc furnace, the arc heat temperature generated by the electric arc furnace is 3200-3500°C, eccentric furnace bottom tapping technology is used for tapping, AC electric arc is used to heat the molten steel, and four molten steel smelting processes of molten steel deoxidation, molten steel desulfurization, fine-tuning of molten steel composition and reduction of inclusions in the molten steel are completed in sequence, the weight percentage of oxygen in the molten steel deoxidation process needs to be controlled to be less than 0.002-0.005%, the weight percentage of sulfur in the molten steel desulfurization process needs to be controlled to be less than 0.003-0.007%, the molten steel is vacuum degassed and refined by a mechanical vacuum pump and a water ring pump vacuum system, the molten steel is placed in a vacuum environment, and the vacuum pressure is controlled at 50-65P, the placement time is 15-30min, argon is input at the same time, and the input of argon is stopped when the weight percentage of hydrogen in the molten steel is less than 0.00018%.

[0016] Preferably, the current density used for electroplating in S9 is 40-80A / dm2, and the temperature of the electrolyte is 60-80°C.

[0017] Preferably, the plating aid solution in S8 is composed of the following raw materials: 8-15 parts of kerosene, 3-7 parts of sodium petroleum sulfonate, 2-4 parts of bentonite, 1-4 parts of vaseline, 4-9 parts of zinc oxide, 2-4 parts of barium dinonylnaphthalenesulfonate, 3-7 parts of sodium dodecylsulfonate, 1-3 parts of benzotriazole, 10-20 parts of polyethylene glycol, 4-10 parts of trisodium phosphate, 3-6 parts of inositol hexaphosphate, 2-4 parts of corrosion inhibitor, 2-4 parts of pH regulator, 4-8 parts of nonionic surfactant, 20-30 parts of deionized water, 1-2 parts of sulfonate, 1-2 parts of carboxylate, 1-3 parts of sodium hydroxide, 3-8 parts of acidic passivation rust inhibitor, 0.5-1 parts of sodium tripolyphosphate, and 0.5-1 parts of disodium hydrogen phosphate.

[0018] Preferably, the electroplating solution in S9 is composed of the following raw materials: 10-20 parts of sulfonate, 4-9 parts of carboxylate, 10-20 parts of barium petroleum sulfonate, 10-20 parts of barium dinonylnaphthalene sulfonate, 3-9 parts of dicyclohexylamine, 30-55 parts of nickel sulfamate, 2-5 parts of cobalt sulfate, 3-8 parts of nickel chloride, 3-5 parts of boric acid, 0.3-0.5 parts of sodium dodecyl sulfate, 0.05-0.1 parts of sodium undecyl sulfonate, 0.4-0.6 parts of styrene, 0.2-0.3 parts of azobisisobutyronitrile, and 1-2 parts of acrylamide.

[0019] Preferably, S8 uses electroplating degreasing liquid for degreasing and rust removal, and the electroplating degreasing liquid is composed of the following raw materials: 5-8 parts of anionic active agent, 3-5 parts of nonionic active agent, 8-10 parts of alkylphenol polyoxyethyl ether, 15-20 parts of sodium carbonate, 17-23 parts of sodium metasilicate, 15-18 parts of metal rust inhibitor, 2-5 parts of cleaning corrosion inhibitor, 2-5 parts of phosphating water quality regulator, and 4-8 parts of petroleum barium sulfonate.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. Through the research on heating and hot rolling process, the steel wire can be produced in batches stably through this process, and the steel wire with excellent surface quality and galvanized layer is obtained. It is suitable for installation in coastal areas, industrial pollution or areas with heavy salt fog, is not susceptible to corrosion, and has a long service life;

[0022] 2. The present invention improves the steel wire material fundamentally by researching and improving the production raw materials, thereby greatly improving the use efficiency of the steel wire material, improving the deformation performance and corrosion resistance of the steel wire material, and reducing the use ratio of carbon, thereby improving the quality of the steel wire material;

[0023] 3. The present invention reduces the generation of iron oxide scale as much as possible through molten steel adjustment, ingot quenching and wire heating while ensuring the surface quality of the rolling roller, thereby reducing the impact of the surface quality of the low-carbon steel wire, and greatly increases the surface smoothness of the low-carbon steel wire through electroplating and surface treatment before electroplating. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0025] In the attached picture:

[0026] Figure 1 The present invention is a process flow chart of the preparation process. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] Embodiment 1:

[0029] See also Figure 1 , a process for preparing a corrosion-resistant low-carbon steel wire with deformation performance, comprising the following steps:

[0030] S1: Raw material preparation, C: 0.15%, Mn: 0.7%, Si: 0.05%, P: 0.02%, S: 0.02%, Cr: 0.03%, Ni: 0.02%, Al: 0.025%, Si: 0.03%, Cu: 0.068%, S0: 0.0038%, Mn: 0.25%, Als: 0.025%, Ce: 0.007%, La: 0.004%, and Fe are prepared, and then the raw materials are fed into an electric arc furnace to generate steel;

[0031] The method for generating molten steel comprises the following steps: adding various raw materials into an electric arc furnace, wherein the arc heat temperature generated by the electric arc furnace is 3200°C, tapping is performed using an eccentric furnace bottom tapping technology, and the molten steel is heated using an AC electric arc, and four molten steel smelting processes of molten steel deoxidation, molten steel desulfurization, fine-tuning molten steel composition, and reducing inclusions in the molten steel are sequentially completed. In the molten steel deoxidation process, the weight percentage of oxygen needs to be controlled to be less than 0.005%, and in the molten steel desulfurization process, the weight percentage of sulfur needs to be controlled to be less than 0.007%. The molten steel is vacuum degassed and refined using a mechanical vacuum pump and a water ring pump vacuum system working mode, the molten steel is placed in a vacuum environment, and the vacuum pressure is controlled at 65P for a placement time of 30 minutes. Argon is input at the same time, and the input of argon is stopped when the weight percentage of hydrogen in the molten steel is less than 0.00018%.

[0032] S2: Molten steel conditioning, quenching and tempering the molten steel, removing slag, and then continuing to heat the molten steel until the temperature of the molten steel reaches 1630 degrees Celsius, putting about 0.03% of the mass of the molten steel in the ladle, and then pouring the molten steel into the preheated ladle for pouring

[0033] S3: Deoxidation of molten steel: the molten steel in the ladle is transported to the argon blowing station, and a deoxidizer is added to perform secondary deoxidation on the molten steel. The weight percentage of oxygen in the molten steel is controlled to be 0.015%. During the treatment process of the argon blowing station, argon is blown from the bottom of the ladle throughout the process, and the argon flow rate is 30Nm3 / h;

[0034] S4: Molten steel pouring, hoisting the ladle to the continuous casting station, pouring the molten steel to form a billet, cleaning the tundish, and moving the tundish and nozzle to the casting position after baking. The long nozzle is used for casting from the large ladle to the tundish, and the immersion nozzle is used from the tundish to the crystallizer. The argon blowing flow rate of the stopper rod is 6.3NL / min, the temperature of the tundish is 1500℃, the casting cycle is 50min, the total oxygen in the tundish is 15ppm, and the total oxygen in the billet is 12ppm;

[0035] S5: Ingot quenching, the ingot is sent to the heating furnace for quenching, the furnace temperature is greater than 550℃, the heating temperature is 1210℃, the heating time is 9h, the furnace temperature is 580℃, the temperature is increased to 920℃ at a rate of 100℃ / h, and the temperature is increased to 1250℃ at a rate of 120℃ / h, and then tempered after oil cooling. The tempering method is: heating to 530℃, keeping warm for more than 4h, and then using a 4500T press to forge into a square billet;

[0036] S6: Wire production, the billet obtained in S5 is heated in a walking beam heating furnace, and the furnace temperature is controlled at 1030-1050℃. The Morgan sixth-generation high-speed wire mill and the super-heavy-load 45° top-cross two-roll mill are used, and the "8+4" finishing mill and the sizing mill are arranged to perform low-temperature rolling to form wire;

[0037] S7: heating the wire, pulling the wire to a spinning machine, cooling the processed wire to 1100°C by air cooling through the spinning machine, sending it to a solid solution furnace for solid solution treatment at a temperature of 1000°C, straightening the wire in the solid solution furnace body, and reheating the stainless steel wire after straightening in the solid solution furnace body;

[0038] S8: Surface treatment before plating: Degreasing and rust removal of the wire surface, degreasing and rust removal with electroplating degreasing liquid, the electroplating degreasing liquid is composed of the following raw materials: 8 parts of anionic active agent, 3 parts of nonionic active agent, 10 parts of alkylphenol polyoxyethyl ether, 15 parts of sodium carbonate, 1 part of sodium metasilicate, 18 parts of metal rust inhibitor, 2 parts of cleaning corrosion inhibitor, 5 parts of phosphating water quality regulator, 8 parts of petroleum barium sulfonate, obtain a wire with a clean surface, immerse the clean wire in a plating agent solution, the temperature of the plating agent solution is 70°C, the immersion time is 60S, and then take the wire from the plating agent solution , and drying treatment is carried out at a drying temperature of 50°C. The plating agent solution is composed of the following raw materials: 8 parts of kerosene, 7 parts of sodium petroleum sulfonate, 4 parts of bentonite, 4 parts of vaseline, 9 parts of zinc oxide, 2 parts of barium dinonylnaphthalenesulfonate, 3 parts of sodium dodecylsulfonate, 1 part of benzotriazole, 20 parts of polyethylene glycol, 4 parts of trisodium phosphate, 6 parts of inositol hexaphosphate, 4 parts of corrosion inhibitor, 2 parts of pH regulator, 8 parts of non-ionic surfactant, 20 parts of deionized water, 1 part of sulfonate, 2 parts of carboxylate, 1 part of sodium hydroxide, 8 parts of acidic passivation rust inhibitor, 0.5 parts of sodium tripolyphosphate, and 1 part of disodium hydrogen phosphate;

[0039] S9: Wire electroplating, then immersing the treated wire in a corrosion-resistant solution for electroplating, the current density used is 80A / dm2, the temperature of the electrolyte is 60°C, and the electroplating time is 40S, so as to obtain a corrosion-resistant low-carbon wire, the electroplating solution is composed of the following raw materials: 10 parts of sulfonate, 4 parts of carboxylate, 10 parts of barium petroleum sulfonate, 20 parts of barium dinonylnaphthalenesulfonate, 3 parts of dicyclohexylamine, 55 parts of nickel aminosulfonate, 2 parts of cobalt sulfate, 8 parts of nickel chloride, 5 parts of boric acid, 0.3 parts of sodium dodecyl sulfate, 0.05 parts of sodium undecyl sulfonate, 0.4 parts of styrene, 0.2 parts of azobisisobutyronitrile, and 1 part of acrylamide.

[0040] Embodiment 2:

[0041] See also Figure 1 , a process for preparing a corrosion-resistant low-carbon steel wire with deformation performance, comprising the following steps:

[0042] S1: Raw material preparation, C: 0.15%, Mn: 0.7%, Si: 0.14%, P: 0.015%, S: 0.02%, Cr: 0.03%, Ni: 0.02%, Al: 0.025%, Si: 0.04%, Cu: 0.056%, S0: 0.0038%, Mn: 0.30, Als: 0.015%, Ce: 0.009%, La: 0.006%, and Fe are prepared, and then the raw materials are fed into an electric arc furnace to generate steel;

[0043] The method for generating molten steel comprises the following steps: adding various raw materials into an electric arc furnace, wherein the arc heat temperature generated by the electric arc furnace is 3200-3500°C, tapping steel by using an eccentric furnace bottom tapping technology, heating the molten steel by using an AC electric arc, and sequentially completing four molten steel smelting processes of molten steel deoxidation, molten steel desulfurization, fine-tuning molten steel composition, and reducing inclusions in the molten steel. In the molten steel deoxidation process, the weight percentage of oxygen needs to be controlled to be less than 0.002%, and in the molten steel desulfurization process, the weight percentage of sulfur needs to be controlled to be less than 0.007%. The molten steel is vacuum degassed and refined by using a mechanical vacuum pump and a water ring pump vacuum system working mode, the molten steel is placed in a vacuum environment, and the vacuum pressure is controlled at 65P for a placement time of 30 minutes. Argon is input at the same time, and the input of argon is stopped when the weight percentage of hydrogen in the molten steel is less than 0.00018%.

[0044] S2: Molten steel conditioning, quenching and tempering the molten steel, removing slag, and then continuously heating the molten steel until the temperature of the molten steel reaches 1630 degrees Celsius, putting aluminum wire about 0.03% of the mass of the molten steel into the ladle, and then pouring the molten steel into the preheated ladle for pouring;

[0045] S3: Deoxidation of molten steel: the molten steel in the ladle is transported to the argon blowing station, and a deoxidizer is added to perform secondary deoxidation on the molten steel. The weight percentage of oxygen in the molten steel is controlled to be 0.015%. During the treatment process of the argon blowing station, argon is blown from the bottom of the ladle throughout the process, and the argon flow rate is 20Nm3 / h;

[0046] S4: Molten steel pouring, hoisting the ladle to the continuous casting station, pouring the molten steel to form a billet, cleaning the tundish, and moving the tundish and nozzle to the casting position after baking. The long nozzle is used for casting from the large ladle to the tundish, and the immersion nozzle is used from the tundish to the crystallizer. The argon blowing flow rate of the stopper rod is 6NL / min, the temperature of the tundish is 1700℃, the casting cycle is 50min, the total oxygen in the tundish is 15ppm, and the total oxygen in the billet is 12ppm;

[0047] S5: Ingot quenching, the ingot is sent to the heating furnace for quenching, the furnace temperature is greater than 550℃, the heating temperature is 1210℃, the heating time is 7h, the furnace temperature is 570℃, the temperature is increased to 940℃ at a rate of 140℃ / h, and the temperature is increased to 1200℃ at a rate of 120℃ / h, and then tempered after oil cooling. The tempering method is: heating to 550℃, keeping warm for more than 4h, and then using a 4500T press to forge into a square billet;

[0048] S6: Wire production, the billet obtained in S5 is heated in a walking beam heating furnace, and the furnace temperature is controlled at 1040℃. The Morgan sixth-generation high-speed wire mill and the ultra-heavy-load 45° top-cross two-roll mill are used, and the "8+4" finishing mill and the sizing mill are arranged to perform low-temperature rolling to form wire;

[0049] S7: heating the wire, pulling the wire to a spinning machine, cooling the processed wire to 1100°C by air cooling through the spinning machine, sending it to a solid solution furnace for solid solution treatment at a temperature of 1100°C, straightening the wire in the solid solution furnace body, and reheating the stainless steel wire after straightening in the solid solution furnace body;

[0050] S8: Surface treatment before plating: Degreasing and rust removal of the wire surface, degreasing and rust removal with electroplating degreasing liquid, the electroplating degreasing liquid is composed of the following raw materials: 6 parts of anionic active agent, 4 parts of nonionic active agent, 9 parts of alkylphenol polyoxyethyl ether, 17 parts of sodium carbonate, 22 parts of sodium metasilicate, 17 parts of metal rust inhibitor, 4 parts of cleaning corrosion inhibitor, 3 parts of phosphating water quality regulator, 5 parts of petroleum barium sulfonate, obtain a wire with a clean surface, immerse the clean surface wire in a plating agent solution, the temperature of the plating agent solution is 77°C, the immersion time is 44S, and then take the wire from the plating agent solution , and drying treatment is carried out at a drying temperature of 55°C. The plating agent solution is composed of the following raw materials: 12 parts of kerosene, 4 parts of sodium petroleum sulfonate, 4 parts of bentonite, 4 parts of vaseline, 4 parts of zinc oxide, 3 parts of barium dinonylnaphthalenesulfonate, 3 parts of sodium dodecylsulfonate, 2 parts of benzotriazole, 14 parts of polyethylene glycol, 7 parts of trisodium phosphate, 5 parts of inositol hexaphosphate, 4 parts of corrosion inhibitor, 3 parts of pH regulator, 7 parts of nonionic surfactant, 27 parts of deionized water, 2 parts of sulfonate, 1 part of carboxylate, 2 parts of sodium hydroxide, 4 parts of acidic passivation rust inhibitor, 1 part of sodium tripolyphosphate, and 1 part of disodium hydrogen phosphate;

[0051] S9: Wire electroplating, then immersing the treated wire in a corrosion-resistant solution for electroplating, the current density used is 70A / dm2, the temperature of the electrolyte is 70°C, and the electroplating time is 66S, so as to obtain a corrosion-resistant low-carbon wire, the electroplating solution is composed of the following raw materials: 17 parts of sulfonate, 9 parts of carboxylate, 20 parts of barium petroleum sulfonate, 20 parts of barium dinonylnaphthalenesulfonate, 9 parts of dicyclohexylamine, 55 parts of nickel aminosulfonate, 5 parts of cobalt sulfate, 8 parts of nickel chloride, 5 parts of boric acid, 0.5 parts of sodium dodecyl sulfate, 0.1 parts of sodium undecyl sulfonate, 0.6 parts of styrene, 0.3 parts of azobisisobutyronitrile, and 2 parts of acrylamide.

[0052] Embodiment 3:

[0053] See also Figure 1 , a process for preparing a corrosion-resistant low-carbon steel wire with deformation performance, comprising the following steps:

[0054] S1: Raw material preparation, C: 0.15%, Mn: 0.7%, Si: 0.05%, P: 0.02%, S: 0.04%, Cr: 0.03%, Ni: 0.02%, Al: 0.015%, Si: 0.035%, Cu: 0.066%, S0: 0.0033%, Mn: 0.28%, Als: 0.018%, Ce: 0.0075%, La: 0.005%, and Fe are prepared, and then the raw materials are fed into an electric arc furnace to generate steel;

[0055] The method for generating molten steel comprises the following steps: adding various raw materials into an electric arc furnace, wherein the arc heat temperature generated by the electric arc furnace is 3200-3500°C, tapping steel by using an eccentric furnace bottom tapping technology, heating the molten steel by using an AC electric arc, and sequentially completing four molten steel smelting processes of molten steel deoxidation, molten steel desulfurization, fine-tuning molten steel composition, and reducing inclusions in the molten steel. In the molten steel deoxidation process, the weight percentage of oxygen needs to be controlled to be less than 0.003%, and in the molten steel desulfurization process, the weight percentage of sulfur needs to be controlled to be less than 0.005%. The molten steel is vacuum degassed and refined by using a mechanical vacuum pump and a water ring pump vacuum system working mode, the molten steel is placed in a vacuum environment, and the vacuum pressure is controlled at 57P for a placement time of 22 minutes. Argon is input at the same time, and the input of argon is stopped when the weight percentage of hydrogen in the molten steel is less than 0.00018%.

[0056] S2: Molten steel conditioning, quenching and tempering the molten steel, removing slag, and then continuously heating the molten steel until the temperature of the molten steel reaches 1630 degrees Celsius, putting aluminum wire about 0.03% of the mass of the molten steel into the ladle, and then pouring the molten steel into the preheated ladle for pouring;

[0057] S3: Deoxidation of molten steel: the molten steel in the ladle is transported to the argon blowing station, and a deoxidizer is added to perform secondary deoxidation on the molten steel. The weight percentage of oxygen in the molten steel is controlled to be 0.015%. During the treatment process of the argon blowing station, argon is blown from the bottom of the ladle throughout the process, and the argon flow rate is 20Nm3 / h;

[0058] S4: Molten steel pouring, hoisting the ladle to the continuous casting station, pouring the molten steel to form a billet, cleaning the tundish, and moving the tundish and nozzle to the casting position after baking. The long nozzle is used for casting from the large ladle to the tundish, and the immersion nozzle is used from the tundish to the crystallizer. The argon blowing flow rate of the stopper rod is 6.3NL / min, the temperature of the tundish is 1600℃, the casting cycle is 45min, the total oxygen in the tundish is 15ppm, and the total oxygen in the billet is 12ppm;

[0059] S5: Ingot quenching, the ingot is sent to the heating furnace for quenching, the furnace temperature is greater than 550℃, the heating temperature is 1210℃, the heating time is 7h, the furnace temperature is 580℃, the temperature is increased to 920℃ at a rate of 130℃ / h, and the temperature is increased to 1210℃ at a rate of 130℃ / h, and then tempered after oil cooling. The tempering method is: heating to 560℃, keeping warm for more than 4h, and then using a 4500T press to forge into a square billet;

[0060] S6: Wire production, the billet obtained in S5 is heated in a walking beam heating furnace, and the furnace temperature is controlled at 1050℃. The Morgan sixth-generation high-speed wire mill and the ultra-heavy-load 45° top-cross two-roll mill are used, and the "8+4" finishing mill and the sizing mill are arranged to perform low-temperature rolling to form wire;

[0061] S7: heating the wire, pulling the wire to a spinning machine, cooling the processed wire to 1100°C by air cooling through the spinning machine, sending it to a solid solution furnace for solid solution treatment at a temperature of 1050°C, straightening the wire in the solid solution furnace body, and reheating the stainless steel wire after straightening in the solid solution furnace body;

[0062] S8: Surface treatment before plating: Degreasing and rust removal of the wire surface, degreasing and rust removal with electroplating degreasing liquid, the electroplating degreasing liquid is composed of the following raw materials: 6 parts of anionic active agent, 4 parts of nonionic active agent, 9 parts of alkylphenol polyoxyethyl ether, 17 parts of sodium carbonate, 22 parts of sodium metasilicate, 17 parts of metal rust inhibitor, 4 parts of cleaning corrosion inhibitor, 3 parts of phosphating water quality regulator, 6 parts of petroleum barium sulfonate, obtain a wire with a clean surface, immerse the clean surface wire in a plating agent solution, the temperature of the plating agent solution is 77°C, the immersion time is 40S, then take the wire out of the plating agent solution, and dry it. Dry treatment, the drying temperature is 80°C, the plating agent solution is composed of the following raw materials: 11 parts of kerosene, 3 parts of sodium petroleum sulfonate, 4 parts of bentonite, 1 part of vaseline, 4 parts of zinc oxide, 2 parts of barium dinonylnaphthalene sulfonate, 3 parts of sodium dodecyl sulfonate, 3 parts of benzotriazole, 20 parts of polyethylene glycol, 10 parts of trisodium phosphate, 3 parts of inositol hexaphosphate, 2 parts of corrosion inhibitor, 2-4 parts of pH regulator, 4-8 parts of nonionic surfactant, 20-30 parts of deionized water, 2 parts of sulfonate, 2 parts of carboxylate, 1 part of sodium hydroxide, 8 parts of acidic passivation rust inhibitor, 1 part of sodium tripolyphosphate, and 1 part of disodium hydrogen phosphate;

[0063] S9: Wire electroplating, then immersing the treated wire in a corrosion-resistant solution for electroplating, the current density used is 60A / dm2, the temperature of the electrolyte is 70°C, and the electroplating time is 60S, so as to obtain a corrosion-resistant low-carbon wire, the electroplating solution is composed of the following raw materials: 18 parts of sulfonate, 5 parts of carboxylate, 13 parts of barium petroleum sulfonate, 18 parts of barium dinonylnaphthalene sulfonate, 8 parts of dicyclohexylamine, 44 parts of nickel aminosulfonate, 3 parts of cobalt sulfate, 5 parts of nickel chloride, 4 parts of boric acid, 0.4 parts of sodium dodecyl sulfate, 0.1 parts of sodium undecyl sulfonate, 0.6 parts of styrene, 0.3 parts of azobisisobutyronitrile, and 1.5 parts of acrylamide.

[0064] Embodiment 4:

[0065] See also Figure 1 , a process for preparing a corrosion-resistant low-carbon steel wire with deformation performance, comprising the following steps:

[0066] S1: Raw material preparation, C: 0.04%, Mn: 0.9%, Si: 0.05%, P: 0.02%, S: 0.07%, Cr: 0.02%, Ni: 0.02%, Al: 0.025%, Si: 0.03%, Cu: 0.068%, S0: 0.0024%, Mn: 0.30, Als: 0.015%, Ce: 0.009%, La: 0.006%, and Fe are prepared, and then the raw materials are fed into an electric arc furnace to generate steel;

[0067] The method for generating molten steel comprises the following steps: adding various raw materials into an electric arc furnace, wherein the arc heat temperature generated by the electric arc furnace is 3200-3500°C, tapping steel by using an eccentric furnace bottom tapping technology, heating the molten steel by using an AC electric arc, and sequentially completing four molten steel smelting processes of molten steel deoxidation, molten steel desulfurization, fine-tuning molten steel composition, and reducing inclusions in the molten steel. In the molten steel deoxidation process, the weight percentage of oxygen needs to be controlled to be less than 0.004%, and in the molten steel desulfurization process, the weight percentage of sulfur needs to be controlled to be less than 0.005%. The molten steel is vacuum degassed and refined by using a mechanical vacuum pump and a water ring pump vacuum system working mode, the molten steel is placed in a vacuum environment, and the vacuum pressure is controlled at 55P for a placement time of 25 minutes. Argon is input at the same time, and the input of argon is stopped when the weight percentage of hydrogen in the molten steel is less than 0.00018%.

[0068] S2: Molten steel conditioning, quenching and tempering the molten steel, removing slag, and then continuously heating the molten steel until the temperature of the molten steel reaches 1630 degrees Celsius, putting aluminum wire about 0.03% of the mass of the molten steel into the ladle, and then pouring the molten steel into the preheated ladle for pouring;

[0069] S3: Deoxidation of molten steel: the molten steel in the ladle is transported to the argon blowing station, and a deoxidizer is added to perform secondary deoxidation on the molten steel. The weight percentage of oxygen in the molten steel is controlled to be 0.015%. During the treatment process of the argon blowing station, argon is blown from the bottom of the ladle throughout the process, and the argon flow rate is 20Nm3 / h;

[0070] S4: Molten steel pouring, hoisting the ladle to the continuous casting station, pouring the molten steel to form a billet, cleaning the tundish, and moving the tundish and nozzle to the casting position after baking. The long nozzle is used for casting from the large ladle to the tundish, and the immersion nozzle is used from the tundish to the crystallizer. The argon blowing flow rate of the stopper rod is 6NL / min, the temperature of the tundish is 1600℃, the casting cycle is 45min, the total oxygen in the tundish is 15ppm, and the total oxygen in the billet is 12ppm;

[0071] S5: Ingot quenching, the ingot is sent to the heating furnace for quenching, the furnace temperature is greater than 550℃, the heating temperature is 1200℃, the heating time is 7h, the furnace temperature is 570℃, the temperature is increased to 930℃ at a rate of 140℃ / h, and the temperature is increased to 11900℃ at a rate of 130℃ / h, and then tempering is performed after oil cooling. The tempering method is: heating to 570℃, keeping warm for more than 4h, and then using a 4500T press to forge into a square billet;

[0072] S6: Wire production, the billet obtained in S5 is heated in a walking beam heating furnace, and the furnace temperature is controlled at 1030-1050℃. The Morgan sixth-generation high-speed wire mill and the super-heavy-load 45° top-cross two-roll mill are used, and the "8+4" finishing mill and the sizing mill are arranged to perform low-temperature rolling to form wire;

[0073] S7: heating the wire, pulling the wire to a spinning machine, cooling the processed wire to 1100°C by air cooling through the spinning machine, sending it to a solid solution furnace for solid solution treatment at a temperature of 1000°C, straightening the wire in the solid solution furnace body, and reheating the stainless steel wire after straightening in the solid solution furnace body;

[0074] S8: Surface treatment before plating: Degreasing and rust removal of the wire surface, degreasing and rust removal with electroplating degreasing liquid, the electroplating degreasing liquid is composed of the following raw materials: 6 parts of anionic active agent, 4 parts of nonionic active agent, 9 parts of alkylphenol polyoxyethyl ether, 18 parts of sodium carbonate, 20 parts of sodium metasilicate, 17 parts of metal rust inhibitor, 4 parts of cleaning corrosion inhibitor, 4 parts of phosphating water quality regulator, 6 parts of petroleum barium sulfonate, to obtain a wire with a clean surface, immerse the wire with a clean surface in a plating agent solution, the temperature of the plating agent solution is 75°C, the immersion time is 40S, and then take the wire from the plating agent solution, The plating agent solution is composed of the following raw materials: 12 parts of kerosene, 4 parts of sodium petroleum sulfonate, 3 parts of bentonite, 2 parts of vaseline, 6 parts of zinc oxide, 3 parts of barium dinonylnaphthalene sulfonate, 4 parts of sodium dodecyl sulfonate, 2 parts of benzotriazole, 18 parts of polyethylene glycol, 6 parts of trisodium phosphate, 4 parts of inositol hexaphosphate, 2 parts of corrosion inhibitor, 3 parts of pH regulator, 5 parts of nonionic surfactant, 27 parts of deionized water, 1.5 parts of sulfonate, 2 parts of carboxylate, 1 part of sodium hydroxide, 4 parts of acidic passivation rust inhibitor, 1 part of sodium tripolyphosphate, and 1 part of disodium hydrogen phosphate;

[0075] S9: Wire electroplating, then immersing the treated wire in a corrosion-resistant solution for electroplating, the current density used is 60A / dm2, the temperature of the electrolyte is 70°C, and the electroplating time is 60S, so as to obtain a corrosion-resistant low-carbon wire, the electroplating solution is composed of the following raw materials: 18 parts of sulfonate, 5 parts of carboxylate, 15 parts of barium petroleum sulfonate, 18 parts of barium dinonylnaphthalenesulfonate, 7 parts of dicyclohexylamine, 40 parts of nickel aminosulfonate, 2 parts of cobalt sulfate, 4 parts of nickel chloride, 4 parts of boric acid, 0.3 parts of sodium dodecyl sulfate, 0.1 parts of sodium undecyl sulfonate, 0.4 parts of styrene, 0.2 parts of azobisisobutyronitrile, and 2 parts of acrylamide.

Claims

1. A corrosion-resistant low-carbon steel wire with deformation performance, characterized in that: Including C: 0.04-0.15%, Mn: 0.7-0.9%, Si: 0.05-0.14%, P: 0.015-0.02%, S: 0.02-0.07%, Cr: 0.02-0.03%, Ni: 0.02-0.03%, Al: 0.008-0.025%, Si: 0.03-0.04%, Cu: 0.056-0.068%, S0: 0.0024-0.0038%, Mn: 0.25-0.30, Als: 0.015-0.025%, Ce: 0.007-0.009%, La: 0.004-0.006%, and the rest are Fe and unavoidable impurities.

2. A process for preparing a corrosion-resistant low-carbon steel wire with deformation performance according to claim 1, characterized in that: The preparation process specifically comprises the following steps: S1: Raw material preparation, C: 0.04-0.15%, Mn: 0.7-0.9%, Si: 0.05-0.14%, P: 0.015-0.02%, S: 0.02-0.07%, Cr: 0.02-0.03%, Ni: 0.02-0.03%, Al: 0.008-0.025%, Si: 0.03-0.04%, Cu: 0.056-0.068%, S0: 0.0024-0.0038%, Mn: 0.25-0.30, Als: 0.015-0.025%, Ce: 0.007-0.009%, La: 0.004-0.006%, and Fe are prepared, and then the raw materials are fed into an electric arc furnace to generate steel; S2: Molten steel conditioning, quenching and tempering the molten steel, removing slag, and then continuously heating the molten steel until the temperature of the molten steel reaches 1630 degrees Celsius, putting 0.03% of the aluminum wire in the ladle, and then pouring the molten steel into the preheated ladle for pouring; S3: Deoxidation of molten steel: the molten steel in the ladle is transported to the argon blowing station, and a deoxidizer is added to perform secondary deoxidation on the molten steel, and the weight percentage of oxygen in the molten steel is controlled to be 0.005-0.015%. During the treatment process of the argon blowing station, argon is blown from the bottom of the ladle throughout the process, and the argon flow rate is 10-30Nm3 / h; S4: Molten steel pouring, hoisting the ladle to the continuous casting station, pouring the molten steel to form a billet, cleaning the tundish, and moving the tundish and nozzle to the casting position after baking. The long nozzle is used for casting from the large ladle to the tundish, and the immersion nozzle is used from the tundish to the crystallizer. The argon blowing flow rate of the stopper rod is 5.75-6.3NL / min, the temperature of the tundish is 1500-1700℃, the casting cycle is 40-50min, the total oxygen in the tundish is 15ppm, and the total oxygen in the billet is 12ppm; S5: Ingot quenching, the ingot is sent to the heating furnace for quenching, the furnace temperature is greater than 550℃, the heating temperature is 1180-1210℃, the heating time is 6-9h, the furnace temperature is 570-580℃, the temperature is increased to 920-950℃ at a rate of 100-140℃ / h, and the temperature is increased to 1190-1250℃ at a rate of 120-140℃ / h, and then tempered after oil cooling. The tempering method is: heating to 530-570℃, keeping warm for more than 4h, and then using a 4500T press to forge into a square billet; S6: Wire production, the billet obtained in S5 is heated in a walking beam heating furnace, and the furnace temperature is controlled at 1030-1050℃. The Morgan sixth-generation high-speed wire mill and the super-heavy-load 45° top-cross two-roll mill are used, and the "8+4" finishing mill and the sizing mill are arranged to perform low-temperature rolling to form wire; S7: heating the wire, pulling the wire to a spinning machine, cooling the processed wire to 1100°C by air cooling through the spinning machine, sending it to a solid solution furnace for solid solution treatment at a temperature of 1000-1100°C, straightening the wire in the solid solution furnace body, and reheating the stainless steel wire after straightening in the solid solution furnace body; S8: Surface treatment before plating: Degreasing and rusting the wire to obtain a wire with a clean surface, immersing the wire with a clean surface in a plating agent solution at a temperature of 70-85°C for 20-60 seconds, then taking the wire out of the plating agent solution and drying it at a drying temperature of 50-80°C; S9: Wire electroplating, then immersing the treated wire into a corrosion-resistant liquid for electroplating, the electroplating time is 40-80S, so as to obtain a corrosion-resistant low-carbon wire.

3. The process for preparing a corrosion-resistant low-carbon steel wire with deformation performance according to claim 2, characterized in that: The method for generating molten steel in S1 is as follows: various raw materials are added into an electric arc furnace, the arc heat temperature generated by the electric arc furnace is 3200-3500°C, eccentric furnace bottom tapping technology is used for tapping, AC electric arc is used to heat the molten steel, and four molten steel smelting processes of molten steel deoxidation, molten steel desulfurization, fine-tuning of molten steel composition and reduction of inclusions in molten steel are completed in sequence, the weight percentage of oxygen in the molten steel deoxidation process needs to be controlled to be less than 0.002-0.005%, the weight percentage of sulfur in the molten steel desulfurization process needs to be controlled to be less than 0.003-0.007%, the molten steel is vacuum degassed and refined by a mechanical vacuum pump and a water ring pump vacuum system, the molten steel is placed in a vacuum environment, and the vacuum pressure is controlled at 50-65P, the placement time is 15-30min, argon is input at the same time, and the input of argon is stopped when the weight percentage of hydrogen in the molten steel is less than 0.00018%.

4. The process for preparing a corrosion-resistant low-carbon steel wire with deformation performance according to claim 2, characterized in that: The current density used for electroplating in S9 is 40-80A / dm2, and the temperature of the electrolyte is 60-80℃.

5. The process for preparing a corrosion-resistant low-carbon steel wire with deformation performance according to claim 2, characterized in that: The plating assistant solution in S8 is composed of the following raw materials: 8-15 parts of kerosene, 3-7 parts of sodium petroleum sulfonate, 2-4 parts of bentonite, 1-4 parts of vaseline, 4-9 parts of zinc oxide, 2-4 parts of barium dinonylnaphthalenesulfonate, 3-7 parts of sodium dodecylsulfonate, 1-3 parts of benzotriazole, 10-20 parts of polyethylene glycol, 4-10 parts of trisodium phosphate, 3-6 parts of inositol hexaphosphate, 2-4 parts of corrosion inhibitor, 2-4 parts of pH regulator, 4-8 parts of nonionic surfactant, 20-30 parts of deionized water, 1-2 parts of sulfonate, 1-2 parts of carboxylate, 1-3 parts of sodium hydroxide, 3-8 parts of acidic passivation rust inhibitor, 0.5-1 parts of sodium tripolyphosphate, and 0.5-1 parts of disodium hydrogen phosphate.

6. The process for preparing a corrosion-resistant low-carbon steel wire with deformation performance according to claim 2, characterized in that: The electroplating solution in S9 is composed of the following raw materials: 10-20 parts of sulfonate, 4-9 parts of carboxylate, 10-20 parts of barium petroleum sulfonate, 10-20 parts of barium dinonylnaphthalene sulfonate, 3-9 parts of dicyclohexylamine, 30-55 parts of nickel sulfamate, 2-5 parts of cobalt sulfate, 3-8 parts of nickel chloride, 3-5 parts of boric acid, 0.3-0.5 parts of sodium dodecyl sulfate, 0.05-0.1 parts of sodium undecyl sulfonate, 0.4-0.6 parts of styrene, 0.2-0.3 parts of azobisisobutyronitrile, and 1-2 parts of acrylamide.

7. The process for preparing a corrosion-resistant low-carbon steel wire with deformation performance according to claim 2, characterized in that: S8 uses electroplating degreasing liquid for degreasing and rust removal. The electroplating degreasing liquid is composed of the following raw materials: 5-8 parts of anionic active agent, 3-5 parts of nonionic active agent, 8-10 parts of alkylphenol polyoxyethyl ether, 15-20 parts of sodium carbonate, 17-23 parts of sodium metasilicate, 15-18 parts of metal rust inhibitor, 2-5 parts of cleaning corrosion inhibitor, 2-5 parts of phosphating water quality regulator, and 4-8 parts of petroleum barium sulfonate.

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