CN114107638A - Processing method of steel wire for armored cable - Google Patents
Processing method of steel wire for armored cable Download PDFInfo
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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Abstract
A method for processing steel wires for armored cables comprises the following steps: peeling and coating the raw material wire: carrying out involucra treatment on the surface of the wire in a involucra tank filled with a involucra solution, and then drying; rough drawing: drawing the wire subjected to the film treatment and drying on a drawing machine for one or more times, wherein the total area reduction rate is 35-42%, and the wire drawing speed is controlled to be 300-400 m/min in the rough drawing process; rough annealing: annealing the roughly-drawn wire in an annealing furnace at the annealing temperature of 980-1000 ℃, and quenching to room temperature after online annealing; finely pumping: performing fine drawing on the wire rod subjected to the rough annealing, and performing single-pass or multi-pass drawing on a wire drawing machine, wherein the total surface reduction rate of the fine drawing is 45-65%; fine annealing: carrying out online annealing at 1000-1080 ℃, and quenching to room temperature after online bright annealing; sanding and packaging: and performing surrounding grinding and polishing on the finely-drawn wire on an abrasive belt grinding machine to obtain a final finished product. Has the advantages of good mechanical property and tensile strength, and is not easy to cause high temperature of the cable.
Description
Technical Field
The application relates to the technical field of cable steel wires, in particular to a processing method of steel wires for armored cables.
Background
The construction of submarine cable engineering is limited by conditions such as regions, ocean engineering, construction equipment and the like, and the engineering construction is wide in technical field, large in investment scale and complex in construction technology. The engineering construction period generally can be divided into two stages, and work in earlier stage of construction mainly relates to engineering design, submarine cable route selection, submarine cable manufacturing and transportation, then mainly contains submarine cable route location, submarine cable laying, submarine cable protection, land equipment fixing, detection and debugging, engineering acceptance check during the engineering construction period. The concrete mainly embodies in the following aspects:
a large length. Since the sea cable is complicated in terms of transport and installation, it should be produced in as large a length as possible during production. The sea cable is transported for dozens of kilometers or even hundreds of kilometers at a time, the sea optical cable is thousands of kilometers, and the sea optical cable is transported for a section without conditions at sea; the large length also brings very high requirements on the stability and consistency of the manufacture, so that the requirements on equipment are also very high; in addition, the large length of the submarine power cable also considers whether the cable intermediate joint technology is reliable, etc.
Uniqueness of production and transportation. During production and manufacturing, for example, lead is used, lead extrusion can be achieved without stopping the machine for more than ten days, and lead addition is convenient for the submarine cable to sink to the water bottom more quickly; the common power cable is generally wrapped with an outer sheath in an extruded mode after being armored by steel strips, and the submarine cable is provided with a steel wire armor layer which is covered and mixed with asphalt outside the outer sheath for increasing the mechanical strength and the corrosion resistance during laying; during transportation, enterprises must be equipped with hardware facilities such as a vertical tower and a wharf, and accidents such as riveting and welding of submarine cables are avoided during transportation.
Strong systematicness and long period. Submarine cables are very systematic and not just as simple to complete for cable manufacture. At the early stage, sea state survey is required, the general design scheme is required if the package is general, the cable model is selected, various joints including accessories are selected, and the like, and the specific situation of actual laying is considered even in the manufacturing process. The construction of submarine cables is very seasonal, and the construction of different sea areas in one year has a window period, so that the manufacture of submarine cables is a system engineering; furthermore, a complete submarine cable project cycle is long.
Because of the severe and unpredictable submarine natural environment, submarine cables are a cable variety with great difficulty in design technology and manufacturing technology, and are a great challenge to the manufacturing capability and technical level of the cable industry at present.
The single-core cable is a cable commonly used in submarine optical cables, but the single-core cable can form eddy current after being electrified to generate a magnetic field to cause high temperature of the cable, and the single-core cable is armored by nonmagnetic stainless steel wires to play a role in shielding the magnetic field; in addition, the stainless steel band has better mechanical property, can better protect the cable and increase the tensile strength of the cable.
Disclosure of Invention
The application aims at the defects in the prior art and provides a processing method of a steel wire for an armored cable, and the steel wire for the armored cable prepared by the method has good mechanical property and tensile strength and is not easy to cause high temperature of the cable.
In order to solve the technical problem, the technical scheme adopted by the application is as follows: a method for processing steel wires for armored cables comprises the following steps:
(1) peeling a 6.50mm diameter raw material wire: peeling at a speed of 5-6 m/min on a peeling machine, peeling the raw material to remove surface defects, and obtaining the product with a clean and defect-free surface;
(2) and (3) film treatment: carrying out involucra treatment on the surface of the wire in a involucra tank filled with a involucra solution, and then drying; the concentration of the coating agent is 1.00 (specific gravity); the temperature of the coating agent solution is 60 ℃; and the single line of a film groove is added in the film treatment;
(3) rough drawing: drawing the wire subjected to the film treatment and drying on a drawing machine for one or more times, wherein the total area reduction rate is 35-42%, and the wire drawing speed is controlled to be 300-400 m/min in the rough drawing process;
(4) rough annealing: annealing the roughly-drawn wire in an annealing furnace at the annealing temperature of 980-1000 ℃, and quenching to room temperature after online annealing;
(5) finely pumping: performing fine drawing on the wire rod subjected to the rough annealing, and performing single-pass or multi-pass drawing on a wire drawing machine, wherein the total surface reduction rate of the fine drawing is 45-65%;
(6) fine annealing: carrying out online annealing at 1000-1080 ℃, wherein the wiring speed of the wire in the annealing furnace is 300-350 m/min; quenching to room temperature after on-line bright annealing;
(7) sanding and packaging: and performing surrounding grinding and polishing on the finely-drawn wire on an abrasive belt grinding machine to obtain a final finished product.
Preferably, the diameter of the raw material strand in step (1) after peeling is 6.30 mm.
Preferably, the chemical composition (smelting composition wt%) of the raw material wire in the step (1) is: less than or equal to 0.035 wt% of C, less than or equal to 0.035 wt% of Si, 8.00-15.00 wt% of Mn, less than or equal to 0.045 wt% of P, less than or equal to 0.005 wt% of S, 13.00-18.00 wt% of Cr13, 4.00-8.00 wt% of Ni0.00-8.00 wt% of Cu, 1.50-4.00 wt% of C, less than or equal to 0.030 wt% of C, 0.1-3 wt% of Mo, 0.001-2 wt% of at least one of Ti, Nb or Ta, and the balance of Fe and inevitable impurities.
Further, the addition ratio of Mn to Ni is 2: 1.
preferably, the coating agent in the step (2) is a product provided by Shijiazhuangsite wire drawing assistant Co., Ltd and having a model number of PM-02, the main components of the product are borax pentahydrate, potassium sulfate and anhydrous sodium sulphate, and the specific gravity of the coating agent solution is 1.02-1.13 g/cm 3.
Preferably, the drying temperature in the step (2) is 90-110 ℃.
Preferably, the rough drawing in step (3) is performed by three drawing steps, and the diameter of the corresponding wire rod is changed as follows: the first path is reduced from 6.30mm to 5.80mm, the second path is reduced from 5.80mm to 5.30mm, and the third path is reduced from 5.30mm to 5.00 mm.
Preferably, the quenching of step (4) is carried out by cooling the wire in water at a speed of 3-6 m/min.
Preferably, the drawing of step (5) is four-pass drawing, and the diameter change of the corresponding wire rod is: the diameter of the first path is reduced from 5.0mm to 4.5mm, the diameter of the second path is reduced from 4.5mm to 3.80mm, the diameter of the third path is reduced from 3.80mm to 3.40mm, and the diameter of the fourth path is reduced from 3.40mm to 3.15 mm; the wire drawing process was carried out at a speed of 100-130 m/min.
Preferably, the thread drawing process in the step (3) and the step (4) adopts a lubricant, in particular chlorinated paraffin-52.
Preferably, the annealing in step (4) is performed by using a degreasing agent, specifically a degreasing agent with the model number of 197 supplied by Jinhailong chemical Co., Ltd, of Jinan, and the pH value is more than 10(30g/L H)2O, 20 ℃) and the bulk density is 2.90kg/m3And dissolving the degreaser solution in water and ethanol, wherein the weight percentage concentration of the degreaser solution is 5.5-7.5%.
The application has the advantages and beneficial effects that:
1. this application is through specific manufacturing procedure and parameter control, carry out the preparation of steel wire for the armoured cable, the steel wire for the armoured cable that obtains can effectively reduce the high temperature of the cable that single core cable circular telegram arouses, this kind of steel wire for the armoured cable of this application can effectual shielding magnetic field's effect after using the armor of non-magnetism stainless steel wire, moreover the cable that this kind of composition and processing method of this application obtained carries out the armor again after safer, the protective layer has been increased, the mechanical strength of cable has been improved, be difficult for receiving external influence, the protection dynamics is bigger.
2. The composition and content of the armored cable raw material are specifically defined, and the effect of each metal composition is as follows: (1) the higher the Cr content, the better the corrosion and heat resistance, the oxidation corrosion resistance, and the non-resistance to reducing corrosion, 314, because reducing media (HCL, H2SO4) can dissolve an oxide film Cr2O 3; (2) ni: adding Ni to reduce brittleness, increase toughness, increase corrosion resistance of stainless steel in reducing medium, and stabilize austenite at normal temperature; (3) c: c content is reduced, and intergranular corrosion is reduced; c content is increased, hardening rate is increased, tensile strength is increased, but chromium depletion is easy to occur, and carbon can be fixed by increasing Ti Nb; (4) molybdenum: pitting corrosion is reduced, a passive film is strengthened, corrosion resistance is improved, and H2SO4 corrosion resistance is effectively improved by more than 2%; (5) copper: the corrosion resistance of the non-oxidizing medium is improved, but the hot working and the hot brittleness are damaged; the processing hardenability of the stainless steel is reduced, and the cold forging property of the stainless steel is improved; (6) the addition of titanium (Ti) and niobium (Nb) tantalum (Ta) can prevent intergranular corrosion, and Cr and C are replaced in steel to form stabilized carbide, so that carbon is fixed to prevent intergranular corrosion; (7) manganese: mn austenite stabilizing element can be added instead of Ni, and the addition amount is Mn: ni ═ 2: 1; (8) nitrogen (N): austenite stabilizing elements, which improve the strength at normal temperature and high temperature, but do not influence the corrosion resistance, and nitrogen replaces Ni with the proportion of 0.025, and N can replace 2.5-6% of Ni; (9) silicon (Si): increase heat resistance, and increase fluidity and impact resistance in the solder material.
3. The steel wire for the armored cable prepared by the method has excellent mechanical properties, the tensile strength is 465-475MPa, the magnetic permeability is 1.02-1.05, the steel wire is not broken down under high pressure, and the steel wire has the advantages of good mechanical properties and tensile strength, and the high temperature of the cable is not easy to cause.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only preferred embodiments, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present invention;
example 1
The steel wire for the armored cable of the embodiment comprises the following processing steps:
(1) peeling a 6.50mm diameter raw material wire: peeling at a speed of 5-6 m/min on a peeling machine, peeling the raw material to remove surface defects, and obtaining the product with a clean and defect-free surface; the diameter of the raw material wire in the step (1) after peeling is 6.30 mm; the chemical components (smelting components wt%) of the raw material wire in the step (1) are as follows: 0.025 wt% of C, 0.025 wt% of Si, 12.0 wt% of Mn, 0.035 wt% of P, 0.003 wt% of S, 15.00 wt% of Cr, 6.00wt% of Ni6, 3.00 wt% of Cu, 0.020 wt% of C, 0.2 wt% of Mo, 0.01 wt% of the sum of Ti, Nb and Ta (the three are mixed in any proportion), and the balance of iron and inevitable impurities.
(2) And (3) film treatment: carrying out involucra treatment on the surface of the wire in a involucra tank filled with a involucra solution, and then drying; the concentration of the coating agent is 1.03-1.13 (specific gravity); the temperature of the coating agent solution is 60 ℃; and the single line of a film groove is added in the film treatment; the coating agent is a product with the model of PM-02 provided by Shijiazhuangsite wire drawing auxiliary agent company Limited, the main components of the coating agent are borax pentahydrate, potassium sulfate and anhydrous sodium sulphate, and the specific gravity of the coating agent solution is 1.02-1.08 g/cm3；
(3) Rough drawing: and (3) performing three-pass drawing on the wire rod subjected to the film treatment and dried on a wire drawing machine, wherein the diameter change of the corresponding wire rod is as follows: the diameter of the first path is reduced to 5.80mm from 6.30mm, the diameter of the second path is reduced to 5.30mm from 5.80mm, and the diameter of the third path is reduced to 5.00mm from 5.30 mm; the wire laying speed of the roughly drawn wire is 350 m/min; the lubricant used for drawing the thread is chlorinated paraffin-52;
(4) rough annealing: the annealing temperature is 980-1000 ℃, and quenching is carried out to room temperature after online annealing; the rapid cooling in the step (4) is to place the wire in water and cool the wire at the water passing speed of 4 m/min; the degreasing agent used for annealing is a type 197 degreasing agent provided by Jinhailong chemical Co., Ltd, Jinan, and the pH value is more than 10(30g/L H)2O, 20 ℃) and the bulk density is 2.90kg/m3Dissolved in water and ethanol, and the weight percentage concentration of the degreasing agent solution is 5.5-7.5%
(5) Finely pumping: and (3) performing fine drawing on the wire subjected to the rough annealing, performing four-pass drawing on a wire drawing machine, wherein the diameter change of the corresponding wire is as follows: the diameter of the first path is reduced from 5.0mm to 4.5mm, the diameter of the second path is reduced from 4.5mm to 3.80mm, the diameter of the third path is reduced from 3.80mm to 3.40mm, and the diameter of the fourth path is reduced from 3.40mm to 3.15 mm; the advancing speed of the wire drawing process is 120 m/min; the lubricant used for drawing the thread is chlorinated paraffin-52;
(6) fine annealing: carrying out online annealing at 1000-1080 ℃, and quenching to room temperature after online bright annealing; the degreasing agent used for annealing is a type 197 degreasing agent provided by Jinhailong chemical Co., Ltd, Jinan, and the pH value is more than 10(30g/L H)2O, 20 ℃) and the bulk density is 2.90kg/m3Dissolving the degreaser solution in water and ethanol, wherein the weight percentage concentration of the degreaser solution is 5.5-7.5%;
(7) sanding and packaging: and performing surrounding grinding and polishing on the finely-drawn wire on an abrasive belt grinding machine to obtain a final finished product.
Example 2
The steel wire for the armored cable of the embodiment comprises the following processing steps:
(1) peeling a 6.50mm diameter raw material wire: peeling at a speed of 5-6 m/min on a peeling machine, peeling the raw material to remove surface defects, and obtaining the product with a clean and defect-free surface; the diameter of the raw material wire in the step (1) after peeling is 6.30 mm; the chemical components (smelting components wt%) of the raw material wire in the step (1) are as follows: 0.010 wt% of C, 0.020 wt% of Si, 10.00 wt% of Mn, 0.005wt% of P0.001wt% of S, 14.00 wt% of Cr, 5.00 wt% of Ni, 2.00 wt% of Cu, 0.010 wt% of C, 0.2 wt% of Mo, 0.02 wt% of Ti and Ta (mixed in any proportion), and the balance of iron and inevitable impurities;
(2) and (3) film treatment: carrying out involucra treatment on the surface of the wire in a involucra tank filled with a involucra solution, and then drying; the concentration of the coating agent is 1.02 (specific gravity); the temperature of the coating agent solution is 65 ℃; and the single line of a film groove is added in the film treatment;
(3) rough drawing: and (3) performing three-pass drawing on the wire rod subjected to the film treatment and dried on a wire drawing machine, wherein the diameter change of the corresponding wire rod is as follows: the diameter of the first path is reduced to 5.80mm from 6.30mm, the diameter of the second path is reduced to 5.30mm from 5.80mm, and the diameter of the third path is reduced to 5.00mm from 5.30 mm; the routing speed of the roughly drawn wire is 320 m/min;
(4) rough annealing: the annealing temperature is 985-; the rapid cooling in the step (4) is to place the wire in water and cool the wire at a water passing speed of 3.5 m/min;
(5) finely pumping: and (3) performing fine drawing on the wire subjected to the rough annealing, performing four-pass drawing on a wire drawing machine, wherein the diameter change of the corresponding wire is as follows: the diameter of the first path is reduced from 5.0mm to 4.5mm, the diameter of the second path is reduced from 4.5mm to 3.80mm, the diameter of the third path is reduced from 3.80mm to 3.40mm, and the diameter of the fourth path is reduced from 3.40mm to 3.15 mm; the advancing speed of the wire drawing process is 130 m/min;
(6) fine annealing: carrying out online annealing at 1000-1050 ℃ on the wire rod after fine drawing, and quenching to room temperature after online bright annealing;
(7) sanding and packaging: and performing surrounding grinding and polishing on the finely-drawn wire on an abrasive belt grinding machine to obtain a final finished product.
Example 3
The steel wire for the armored cable of the embodiment comprises the following processing steps:
(1) peeling a 6.50mm diameter raw material wire: peeling at a speed of 5-6 m/min on a peeling machine, peeling the raw material to remove surface defects, and obtaining the product with a clean and defect-free surface; the diameter of the raw material wire in the step (1) after peeling is 6.30 mm; the chemical components (smelting components wt%) of the raw material wire in the step (1) are as follows: 0.015wt% of C, 0.005wt% of Si, 8.00 wt% of Mn, 0.020wt% of P, 0.001wt% of S, 13.00wt% of Cr, 4.00wt% of Ni, 1.50 wt% of Cu, 0.010 wt% of C, 0.1 wt% of Mo, 0.01 wt% of Ti, Nb and Ta (mixed in any proportion), and the balance of iron and inevitable impurities;
(2) and (3) film treatment: carrying out involucra treatment on the surface of the wire in a involucra tank filled with a involucra solution, and then drying; the concentration of the coating agent is 1.02 (specific gravity); the temperature of the coating agent solution is 60 ℃; and the single line of a film groove is added in the film treatment;
(3) rough drawing: and (3) performing three-pass drawing on the wire rod subjected to the film treatment and dried on a wire drawing machine, wherein the diameter change of the corresponding wire rod is as follows: the diameter of the first path is reduced to 5.80mm from 6.30mm, the diameter of the second path is reduced to 5.30mm from 5.80mm, and the diameter of the third path is reduced to 5.00mm from 5.30 mm; the routing speed of the roughly drawn wire is 320 m/min;
(4) rough annealing: the annealing temperature is 990 and 995 ℃, and quenching is carried out to room temperature after online annealing; the rapid cooling in the step (4) is to place the wire in water and cool the wire at the water passing speed of 5 m/min;
(5) finely pumping: and (3) performing fine drawing on the wire subjected to the rough annealing, performing four-pass drawing on a wire drawing machine, wherein the diameter change of the corresponding wire is as follows: the diameter of the first path is reduced from 5.0mm to 4.5mm, the diameter of the second path is reduced from 4.5mm to 3.80mm, the diameter of the third path is reduced from 3.80mm to 3.40mm, and the diameter of the fourth path is reduced from 3.40mm to 3.15 mm; the traveling speed of the wire drawing process was 125 m/min;
(6) fine annealing: carrying out on-line annealing at 1030-1040 ℃ on the wire rod subjected to fine drawing, and quenching to room temperature after on-line bright annealing;
(7) sanding and packaging: and performing surrounding grinding and polishing on the finely-drawn wire on an abrasive belt grinding machine to obtain a final finished product.
The sample performance tests prepared in the examples of the present application are shown in table 1 below:
TABLE 1 test Properties of samples prepared in the examples
Claims (10)
1. A processing method of steel wires for armored cables is characterized by comprising the following steps: the method comprises the following steps:
(1) peeling a 6.50mm diameter raw material wire: peeling at a speed of 5-6 m/min on a peeling machine, peeling the raw material to remove surface defects, and obtaining the product with a clean and defect-free surface;
(2) and (3) film treatment: carrying out involucra treatment on the surface of the wire in a involucra tank filled with a involucra solution, and then drying; the specific gravity of the coating agent is 1.03-1.13; the temperature of the coating agent solution is 50-70 ℃;
(3) rough drawing: drawing the wire subjected to the film treatment and drying on a drawing machine for one or more times, wherein the total area reduction rate is 35-42%, and the wire drawing speed is controlled to be 300-400 m/min in the rough drawing process;
(4) rough annealing: annealing the roughly-drawn wire in an annealing furnace at the annealing temperature of 980-1000 ℃, and quenching to room temperature after online annealing;
(5) finely pumping: performing fine drawing on the wire rod subjected to the rough annealing, and performing single-pass or multi-pass drawing on a wire drawing machine, wherein the total surface reduction rate of the fine drawing is 45-65%;
(6) fine annealing: carrying out online annealing at 1000-1080 ℃, and quenching to room temperature after online bright annealing;
(7) sanding and packaging: and performing surrounding grinding and polishing on the finely-drawn wire on an abrasive belt grinding machine to obtain a final finished product.
2. The method of processing a steel wire for an armored cable according to claim 1, wherein: the diameter of the raw material wire in the step (1) after peeling is 6.30 mm.
3. The method of processing a steel wire for an armored cable according to claim 1, wherein: the raw material wire in the step (1) comprises the following chemical components: less than or equal to 0.035 wt% of C, less than or equal to 0.035 wt% of Si, 8.00-15.00 wt% of Mn8.00, less than or equal to 0.045 wt% of P, less than or equal to 0.005 wt% of S, 13.00-18.00 wt% of Cr13, 4.00-8.00 wt% of Ni4, 1.50-4.00 wt% of Cu, less than or equal to 0.030 wt% of C, 0.1-3 wt% of Mo0.1, 0.001-2 wt% of at least one of Ti, Nb or Ta, and the balance of iron and inevitable impurities.
4. The method of processing a steel wire for an armored cable according to claim 3, wherein: the addition ratio of Mn to Ni is 2: 1.
5. the method of processing a steel wire for an armored cable according to claim 1, wherein: the coating agent in the step (2) is a product with the model number of PM-02 provided by Shijiazhuangsite wire drawing auxiliary agent company Limited; the single line of a film groove is added in the film treatment in the step (2).
6. The method of processing a steel wire for an armored cable according to claim 1, wherein: the drying temperature in the step (2) is 90-110 ℃.
7. The method of processing a steel wire for an armored cable according to claim 1, wherein: and (4) carrying out three-step drawing on the rough drawing in the step (3), wherein the diameter change of the corresponding wire rod is as follows: the first path is reduced from 6.30mm to 5.80mm, the second path is reduced from 5.80mm to 5.30mm, and the third path is reduced from 5.30mm to 5.00 mm.
8. The method of processing a steel wire for an armored cable according to claim 1, wherein: and (4) quenching, namely putting the wire into water, and cooling at a water passing speed of 3-6 m/min.
9. The method of processing a steel wire for an armored cable according to claim 1, wherein: the drawing in the step (5) is four-path drawing, and the diameter change of the corresponding wire rod is as follows: the diameter of the first path is reduced from 5.0mm to 4.5mm, the diameter of the second path is reduced from 4.5mm to 3.80mm, the diameter of the third path is reduced from 3.80mm to 3.40mm, and the diameter of the fourth path is reduced from 3.40mm to 3.15 mm; the wire drawing process was carried out at a speed of 100-130 m/min.
10. The method of processing a steel wire for an armored cable according to claim 1, wherein: a lubricant, specifically chlorinated paraffin-52, is adopted in the wire drawing process in the step (3) and the step (4); the annealing in the step (4) adopts a degreasing agent, in particular to a degreasing agent with the model number of 197 provided by Jinhailong chemical Limited company in Jinan, the pH value is more than 10, and the bulk density is 2.90kg/m3And dissolving the degreaser solution in water and ethanol, wherein the weight percentage concentration of the degreaser solution is 5.5-7.5%.
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| CN115125378A (en) * | 2022-06-20 | 2022-09-30 | 江苏康瑞新材料科技股份有限公司 | Method for processing high-strength low-magnetic-permeability bar |
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| CN116426819A (en) * | 2023-03-20 | 2023-07-14 | 江阴泰坦高压电气有限公司 | Ultrahigh-strength swivel stainless steel wire and production method thereof |
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