CN111021116B - Production process of corrosion-resistant stainless steel wire rope for woven mesh - Google Patents
Production process of corrosion-resistant stainless steel wire rope for woven mesh Download PDFInfo
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of rods or wire
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
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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
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C—CHEMISTRY; METALLURGY
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- 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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- 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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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3025—Steel
- D07B2205/3028—Stainless steel
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- D—TEXTILES; PAPER
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- D07B—ROPES OR CABLES IN GENERAL
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- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/202—Environmental resistance
- D07B2401/2025—Environmental resistance avoiding corrosion
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Abstract
The invention relates to a production process of a corrosion-resistant stainless steel wire rope for a woven mesh, which comprises the following steps: a316 stainless steel bus is selected, and the bus comprises the following components in percentage by mass: 0.05 to 0.055 percent of C, 16.85 to 18.5 percent of Cr, 10.1 to 10.2 percent of Ni, 0.68 to 0.8 percent of Mn, 0.34 to 0.36 percent of Si, 0.034 to 0.037 percent of P, 0.002 to 0.008 percent of S, 0.05 to 0.057 percent of N, 2.48 to 3.0 percent of Mo, and the balance of Fe; annealing, namely annealing the 316 stainless steel bus through an annealing furnace; the annealing temperature is 1020-; surface treatment; carrying out 14-pass drawing on the 316 stainless steel bus by adopting a wet drawing process to draw a stainless steel wire; and twisting the stainless steel wire into the stainless steel wire rope by a stranding machine. The invention increases the contents of Cr, Mo and N in the 316 stainless steel bus, and performs low-temperature treatment at 1020-1045 ℃ on the stainless steel bus, so that the corrosion resistance is good on the premise of ensuring the tensile strength, and the service life of the stainless steel wire rope is prolonged.
Description
Technical Field
The invention relates to the technical field of metal wire production and processing, in particular to a production process of a corrosion-resistant stainless steel wire rope for a mesh grid.
Background
The stainless steel wire rope knitted net has high pressure resistance and good flexibility, and can effectively prevent animals from being bitten by a bite and being damaged by external impact, so that the stainless steel wire rope knitted net is mainly used for animal protection nets such as animal purse nets and animal cages in zoos in recent years, but when the stainless steel wire rope knitted net is used in coastal areas, the stainless steel wire rope knitted net is corroded and rusted, and the service life of the stainless steel wire rope knitted net is influenced.
Disclosure of Invention
The invention aims to overcome the defects, provides a production process of the corrosion-resistant stainless steel wire rope for the woven mesh, increases the contents of Cr, Mo and N in the 316 stainless steel bus, performs low-temperature treatment at 1020-1045 ℃ on the stainless steel bus, has good corrosion resistance on the premise of ensuring the tensile strength, and prolongs the service life of the stainless steel wire rope.
The purpose of the invention is realized as follows:
a production process of a corrosion-resistant stainless steel wire rope for a mesh grid comprises the following steps:
s1: a316 stainless steel bus is selected, and the bus comprises the following components in percentage by mass:
0.05 to 0.055 percent of C, 16.85 to 18.5 percent of Cr, 10.1 to 10.2 percent of Ni, 0.68 to 0.8 percent of Mn, 0.34 to 0.36 percent of Si, 0.034 to 0.037 percent of P, 0.002 to 0.008 percent of S, 0.05 to 0.057 percent of N, 2.48 to 3.0 percent of Mo, and the balance of Fe;
s2: and (3) coating treatment, namely immersing the stainless steel wire rod with the diameter of 5.5mm selected in the S1 in a coating treatment solution with the temperature of 70-90 ℃ for 20-30min, wherein the coating treatment solution is an aqueous solution of potassium sulfate and calcium sulfate, the concentration is 15-21wt%, the stainless steel wire rod is taken out after being soaked and then is placed in a warm air furnace for drying, the drying temperature is 180-.
S3: roughly drawing, drawing the stainless steel wire rod with the diameter of 5.5mm after being processed by the S2 involucra through a pay-off rack by 7-pass drawing at the speed of 200-300m/min, wherein calcium lubricating powder is used in all passes, and a drawing die is a tungsten steel die.
S4: solution treatment, namely performing solution treatment on the semi-finished stainless steel wire with the diameter of 1.8mm obtained in the step S3 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 30-40S, the solution treatment temperature is 1020-1045 ℃, the protective gas is argon, and the flow rate of the protective gas is 1.5-3m during the cultivation; and carrying out quick air cooling through a water cooling tank.
S5: and fine drawing, namely drawing the stainless steel wire with the diameter of 1.8mm after the solution treatment obtained in the step S4 through 8 drawing passes by a pay-off rack at the speed of 100-150m/min, wherein calcium lubricating powder is used in all passes, and a drawing die is a polycrystalline die.
S6: and (3) performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire obtained in the step S5 through an annealing furnace through a passive pay-off device, wherein the solution treatment time is 30-40S, the solution treatment temperature is 1020-1045 ℃, the protective gas is argon, the flow rate of the protective gas is 1.5-3 m/h, and performing rapid air cooling through a water cooling tank.
S7: performing a wet drawing process, namely performing 14-pass drawing on the 316 stainless steel bus obtained in the step S6, wherein the drawing lubricant is water-based lubricating oil;
s8: twisting, namely twisting the stainless steel wire into a stainless steel wire rope with the diameter of 6 multiplied by 7-WSC-1.5mm by a stranding machine.
Preferably, the stranding forming outlet of the stranding machine in the step S8 is provided with a thread pressing die, and the thread pressing die is made of wear-resistant nylon.
Preferably, in the step S7, the first drawing amount is 7-14%, the last drawing amount is 10-14%, the reduction rate of the middle pass is the same, and the drawing amount of each pass is within 14-17%.
The invention has the beneficial effects that:
the invention increases the contents of Cr, Mo and N in the 316 stainless steel bus, and performs low-temperature treatment at 1020-1045 ℃ on the stainless steel bus, so that the corrosion resistance is good on the premise of ensuring the tensile strength, and the service life of the stainless steel wire rope is prolonged.
Detailed Description
The invention relates to a production process of a corrosion-resistant stainless steel wire rope for a woven mesh, which comprises the following steps:
s1: selecting a 316 stainless steel wire rod with the diameter of 5.5mm, wherein the wire rod comprises the following components in percentage by mass:
0.05 to 0.055 percent of C, 16.85 to 18.5 percent of Cr, 10.1 to 10.2 percent of Ni, 0.68 to 0.8 percent of Mn, 0.34 to 0.36 percent of Si, 0.034 to 0.037 percent of P, 0.002 to 0.008 percent of S, 0.05 to 0.057 percent of N, 2.48 to 3.0 percent of Mo, and the balance of Fe;
mo is a solid solution strengthening element, is beneficial to improving the strength and the hardness of the alloy, is a metal element with strong corrosion resistance, can generate a synergistic effect with chromium, and helps the stainless steel to improve the corrosion resistance, especially the chloride corrosion resistance. In the pitting process, hydrogen ions are formed due to hydrolysis of metal ions, and chloride ions continuously migrate at the same time, so that the hydrogen ions and the chloride ions are in an HCl medium in pores under the interaction, active dissolution is accelerated, nitrogen can be combined with the hydrogen ions, the reduction of the pH value is prevented, the progress of anode dissolution is inhibited, and the pitting corrosion resistance is improved; meanwhile, when the passivation film is penetrated, the negative-charged nitrogen and the chloride ions are subjected to repulsive reaction to cause the desorption of the chloride ions, so that the passivation film is quickly passivated at a corrosion part, and the passivation film is favorable for improving the passivity; a more resistant surface layer is formed during the local corrosion and nitrogen also improves the intergranular corrosion performance of the low carbon austenitic stainless steel. The nitrogen can also inhibit the dissolution of Cr and Mo, the chromium, molybdenum and nitrogen are more stable in acidity than in neutrality, the content of heavy metal separated out from the stainless steel wire in the use process is extremely low, and the harm to human bodies is avoided.
S2: and (3) coating treatment, namely immersing the stainless steel wire rod with the diameter of 5.5mm selected in the S1 in a coating treatment solution with the temperature of 70-90 ℃ for 20-30min, wherein the coating treatment solution is an aqueous solution of potassium sulfate and calcium sulfate, the concentration is 15-21wt%, the stainless steel wire rod is taken out after being soaked and then is placed in a warm air furnace for drying, the drying temperature is 180-.
S3: roughly drawing, drawing the stainless steel wire rod with the diameter of 5.5mm after being processed by the S2 involucra through a pay-off rack by 7-pass drawing at the speed of 200-300m/min, wherein calcium lubricating powder is used in all passes, and a drawing die is a tungsten steel die.
S4: solution treatment, namely performing solution treatment on the semi-finished stainless steel wire with the diameter of 1.8mm obtained in the step S3 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 30-40S, the solution treatment temperature is 1020-1045 ℃, the protective gas is argon, and the flow rate of the protective gas is 1.5-3m during the cultivation; and carrying out quick air cooling through a water cooling tank.
S5: and fine drawing, namely drawing the stainless steel wire with the diameter of 1.8mm after the solution treatment obtained in the step S4 by 8 drawing steps at the speed of 100-150m/min through a pay-off rack, wherein calcium lubricating powder is used in all the drawing steps, and 95 percent of the components are calcium stearate and calcium sulfate. The drawing die is a polycrystalline die.
S6: and (3) performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire obtained in the step S5 through an annealing furnace through a passive pay-off device, wherein the solution treatment time is 30-40S, the solution treatment temperature is 1020-1045 ℃, the protective gas is argon, the flow rate of the protective gas is 1.5-3 m/h, and performing rapid air cooling through a water cooling tank.
S7: performing a wet drawing process, namely performing 14-pass drawing on the 316 stainless steel bus obtained in the step S6, wherein the drawing lubricant is water-based lubricating oil;
s8: twisting, namely twisting the stainless steel wire into a stainless steel wire rope with the diameter of 6 multiplied by 7-WSC-1.5mm by a stranding machine.
The stranding machine is characterized in that a stranding die is arranged at a stranding forming outlet of the stranding machine in the S8, hard force is removed by the stranding die, steel wire strands among the steel wire ropes or steel wires are bonded more fully, the stranding die is made of wear-resistant nylon, friction force is reduced, stranding speed is increased, the surface of the steel wire ropes cannot be scratched when the steel wire ropes are stranded, and the service life of the steel wire ropes is prolonged.
In the S7, the first drawing amount is 10-20%, the last drawing amount is 10-14%, the reduction rate of the middle pass is the same, and the drawing amount of each pass is within 14-17%.
Example 1:
a production process of a corrosion-resistant stainless steel wire rope for a mesh grid comprises the following steps:
s1: selecting a 316 stainless steel bus with the diameter of 5.5mm, wherein the bus comprises the following components in percentage by mass:
0.055% of C, 18.5% of Cr, 10.15% of Ni, 0.68% of Mn, 0.34% of Si, 0.037% of P, 0.002% of S, 0.057% of N, 2.48% of Mo and the balance of Fe;
s2: and (3) coating treatment, namely immersing the stainless steel wire rod with the diameter of 5.5mm selected in the S1 in a coating treatment solution with the temperature of 70-90 ℃ for 20-30min, wherein the coating treatment solution is an aqueous solution of potassium sulfate and calcium sulfate, the concentration is 15-21wt%, the stainless steel wire rod is taken out after being soaked and then is placed in a warm air furnace for drying, the drying temperature is 180-.
S3: roughly drawing, drawing the stainless steel wire rod with the diameter of 5.5mm after being processed by the S2 involucra through a pay-off rack by 7 times of drawing at the speed of 200-300m/min, wherein the calcium lubricating powder is used in all times, the drawing specification of each time is 5.5-4.4-3.7-3.2-2.8-2.4-2.0-1.8 mm, and the drawing die is a tungsten steel die.
S4: performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire with the diameter of 1.8mm obtained in the step S3 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 30S, the solution treatment temperature is 1020 ℃, the protective gas is argon, and the protective gas flow is 1.5-3m for carrying out thin film cultivation/h; and carrying out quick air cooling through a water cooling tank. The strength of the 316 stainless steel bus bar after heat treatment is 700 MPa.
S5: and fine drawing, namely drawing the stainless steel wire with the diameter of 1.8mm obtained in the step S4 after solution treatment by a pay-off rack through 8 drawing steps at the speed of 100-150m/min, wherein calcium lubricating powder is used in all drawing steps, the drawing specification of each step is 1.8-1.5-1.28-1.1-0.95-0.82-0.72-0.65-0.6 mm, and the drawing die is a polycrystalline die.
S6: performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire obtained in the step S5 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 30S, the solution treatment temperature is 1020 ℃, the protective gas is argon, and the protective gas flow is 1.5-3m for carrying out the cultivation/h; and carrying out quick air cooling through a water cooling tank. The strength of the 316 stainless steel bus bar after heat treatment is 700 MPa.
S7: the wet drawing process comprises the steps of drawing a 316 stainless steel bus into stainless steel wires with the diameter of phi 0.19mm by 14 passes (0.6 mmm-0.571mm-0.525mm-0.482mm-0.443mm-0.407mm-0.374mm-0.344mm-0.316mm-0.29mm-0.27mm-0.25mm-0.23mm-0.21mm-0.19 mm), wherein the drawing lubricant adopts water-based lubricating oil;
s8: twisting, namely twisting the stainless steel wire with the diameter of 0.19mm obtained in the step S7 into a stainless steel wire rope with the specification of 6 multiplied by 7-WSC-1.5mm by a stranding machine.
Example 2:
a production process of a corrosion-resistant stainless steel wire rope for a mesh grid comprises the following steps:
s1: selecting a 316 stainless steel bus with the diameter of 5.5mm, wherein the bus comprises the following components in percentage by mass:
0.05% of C, 18.5% of Cr, 10.1% of Ni, 0.8% of Mn, 0.36% of Si, 0.034% of P, 0.008% of S, 0.05% of N, 3.0% of Mo and the balance of Fe;
s2: and (3) coating treatment, namely immersing the stainless steel wire rod with the diameter of 5.5mm selected in the S1 in a coating treatment solution with the temperature of 70-90 ℃ for 20-30min, wherein the coating treatment solution is an aqueous solution of potassium sulfate and calcium sulfate, the concentration is 15-21wt%, the stainless steel wire rod is taken out after being soaked and then is placed in a warm air furnace for drying, the drying temperature is 180-.
S3: roughly drawing, drawing the stainless steel wire rod with the diameter of 5.5mm after being processed by the S2 involucra through a pay-off rack by 7 times of drawing at the speed of 200-300m/min, wherein the calcium lubricating powder is used in all times, the drawing specification of each time is 5.5-4.4-3.7-3.2-2.8-2.4-2.0-1.8 mm, and the drawing die is a tungsten steel die.
S4: performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire with the diameter of 1.8mm obtained in the step S3 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 40S, the solution treatment temperature is 1045 ℃, the protective gas is argon, and the flow rate of the protective gas is 1.5-3m for carrying out topdressing/h; and carrying out quick air cooling through a water cooling tank. The strength of the 316 stainless steel bus bar after heat treatment is 670 MPa.
S5: and fine drawing, namely drawing the stainless steel wire with the diameter of 1.8mm obtained in the step S4 after solution treatment by a pay-off rack through 8 drawing steps at the speed of 100-150m/min, wherein calcium lubricating powder is used in all drawing steps, the drawing specification of each step is 1.8-1.5-1.28-1.1-0.95-0.82-0.72-0.65-0.6 mm, and the drawing die is a polycrystalline die.
S6: performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire obtained in the step S5 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 40S, the solution treatment temperature is 1045 ℃, the protective gas is argon, and the protective gas flow is 1.5-3m for carrying out the dry distillation/h; and carrying out quick air cooling through a water cooling tank. The strength of the 316 stainless steel bus bar after heat treatment is 670 MPa.
S7: drawing, namely drawing the 316 stainless steel bus by 14 passes (0.6 mmm-0.571mm-0.525mm-0.482mm-0.443mm-0.407mm-0.374mm-0.344mm-0.316mm-0.29mm-0.27mm-0.25mm-0.23mm-0.21mm-0.19 mm) by adopting a wet drawing process to obtain stainless steel wires with the diameter phi of 0.19mm, wherein the drawing lubricant adopts water-based lubricating oil;
s8: twisting, namely twisting the stainless steel wire with the diameter of 0.19mm obtained in the step S7 into a stainless steel wire rope with the specification of 6 multiplied by 7-WSC-1.5mm by a stranding machine.
Example 3:
a production process of a corrosion-resistant stainless steel wire rope for a mesh grid comprises the following steps:
s1: selecting a 316 stainless steel bus with the diameter of phi 5.5mm, wherein the bus comprises the following components in percentage by mass:
0.052 percent of C, 17.5 percent of Cr, 10.2 percent of Ni, 0.7 percent of Mn, 0.35 percent of Si, 0.035 percent of P, 0.005 percent of S, 0.055 percent of N, 2.8 percent of Mo and the balance of Fe;
s2: and (3) coating treatment, namely immersing the stainless steel wire rod with the diameter of 5.5mm selected in the S1 in a coating treatment solution with the temperature of 70-90 ℃ for 20-30min, wherein the coating treatment solution is an aqueous solution of potassium sulfate and calcium sulfate, the concentration is 15-21wt%, the stainless steel wire rod is taken out after being soaked and then is placed in a warm air furnace for drying, the drying temperature is 180-.
S3: roughly drawing, drawing the stainless steel wire rod with the diameter of 5.5mm after being processed by the S2 involucra through a pay-off rack by 7 times of drawing at the speed of 200-300m/min, wherein the calcium lubricating powder is used in all times, the drawing specification of each time is 5.5-4.4-3.7-3.2-2.8-2.4-2.0-1.8 mm, and the drawing die is a tungsten steel die.
S4: performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire with the diameter of 1.8mm obtained in the step S3 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 35S, the solution treatment temperature is 1030 ℃, the protective gas is argon, and the protective gas flow is 1.5-3m for carrying out thin film planting/h; and carrying out quick air cooling through a water cooling tank. The strength of the 316 stainless steel bus bar after heat treatment is 685 MPa.
S5: and fine drawing, namely drawing the stainless steel wire with the diameter of 1.8mm obtained in the step S4 after solution treatment by a pay-off rack through 8 drawing steps at the speed of 100-150m/min, wherein calcium lubricating powder is used in all drawing steps, the drawing specification of each step is 1.8-1.5-1.28-1.1-0.95-0.82-0.72-0.65-0.6 mm, and the drawing die is a polycrystalline die.
S6: performing solution treatment, namely performing solution treatment on the semi-finished stainless steel wire obtained in the step S5 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 35S, the solution treatment temperature is 1030 ℃, the protective gas is argon, and the protective gas flow is 1.5-3m for carrying out the cultivation/h; and carrying out quick air cooling through a water cooling tank. The strength of the 316 stainless steel bus bar after heat treatment is 685 MPa.
S7: wet drawing process, drawing the 316 stainless steel bus bar for 14 times (0.6 mmm-0.571mm-0.525mm-0.482mm-0.443mm-0.407mm-0.374mm-0.344mm-0.316mm-0.29mm-0.27mm-0.25mm-0.23mm-0.21mm-0.19 mm) to obtain stainless steel wire with diameter phi of 0.19mm, wherein the drawing lubricant adopts water-based lubricating oil;
s5: twisting, namely twisting the stainless steel wire into a stainless steel wire rope with the specification of 6 multiplied by 7-WSC-1.5mm by a stranding machine.
Comparative example 1:
the same as example 1, except that a 316 stainless steel bus bar with the diameter of 5.5mm is selected from S1, the bus bar comprises the following components in percentage by mass:
c0.0521%, Cr 16.62%, Ni 10.08%, Mn 1.009%, Si 0.372%, P0.032%, S0.01%, N0.04%, Mo 2.03%, and the balance Fe.
Comparative example 2:
similar to example 1, except that the solution time was 1min, the solution treatment temperature was 1080 ℃, and the strength of the 316 stainless steel busbar after heat treatment was 630 MPa.
The stainless steel wire rope finished products of examples 1-3 and comparative examples 1-2 were subjected to neutral salt spray test conditions and strength tests, and the test results are shown in the following table:
in conclusion, the stainless steel wire rope produced by the invention has higher corrosion resistance, and the tensile strength meets the industrial standard.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (3)
1. A production process of corrosion-resistant stainless steel wire ropes for mesh grid is characterized by comprising the following steps: the method comprises the following steps:
s1: a316 stainless steel bus is selected, and the bus comprises the following components in percentage by mass:
0.05 to 0.055 percent of C, 16.85 to 18.5 percent of Cr, 10.1 to 10.2 percent of Ni, 0.68 to 0.8 percent of Mn, 0.34 to 0.36 percent of Si, 0.034 to 0.037 percent of P, 0.002 to 0.008 percent of S, 0.05 to 0.057 percent of N, 2.48 to 3.0 percent of Mo, and the balance of Fe;
s2: a step of coating treatment, which is to immerse the stainless steel wire rod with the diameter of 5.5mm selected in the step S1 in a coating treatment liquid with the temperature of 70-90 ℃ for 20-30min, wherein the coating treatment liquid is an aqueous solution of potassium sulfate and calcium sulfate, the concentration of the aqueous solution is 15-21wt%, the stainless steel wire rod is taken out after being soaked and then is placed in a warm air furnace for drying, the drying temperature is 180-;
s3: roughly drawing, namely drawing the stainless steel wire rod with the diameter of 5.5mm subjected to the S2 film treatment by 7-pass drawing at the speed of 200-300m/min through a pay-off rack, wherein calcium lubricating powder is used in all passes, and a drawing die is a tungsten steel die;
s4: solution treatment, namely performing solution treatment on the semi-finished stainless steel wire with the diameter of 1.8mm obtained in the step S3 through an annealing furnace by using a passive pay-off device, wherein the solution treatment time is 30-40S, the solution treatment temperature is 1020-1045 ℃, the protective gas is argon, and the flow rate of the protective gas is 1.5-3m during the cultivation; performing rapid air cooling through a water cooling tank;
s5: fine drawing, namely drawing the stainless steel wire with the diameter of 1.8mm obtained in the step S4 after the solution treatment by a pay-off rack through 8-pass drawing at the speed of 100-150m/min, wherein calcium lubricating powder is used in all passes, and a drawing die is a polycrystalline die;
s6: solution treatment, namely performing solution treatment on the semi-finished stainless steel wire obtained in the step S5 through an annealing furnace through a passive pay-off device, wherein the solution treatment time is 30-40S, the solution treatment temperature is 1020-1045 ℃, the protective gas is argon, the flow rate of the protective gas is 1.5-3 m/h, and performing rapid air cooling through a water cooling tank;
s7: performing a wet drawing process, namely performing 14-pass drawing on the 316 stainless steel bus obtained in the step S6, wherein the drawing lubricant is water-based lubricating oil;
s8: twisting, namely twisting the stainless steel wire into a stainless steel wire rope with the diameter of 6 multiplied by 7-WSC-1.5mm by a stranding machine.
2. The production process of the corrosion-resistant stainless steel wire rope for the woven mesh according to claim 1, characterized in that: and a stranding die is arranged at a stranding forming outlet of the stranding machine in the S8, and the stranding die is made of wear-resistant nylon.
3. The production process of the corrosion-resistant stainless steel wire rope for the woven mesh according to claim 1, characterized in that: in the S7, the first drawing amount is 7-14%, the last drawing amount is 10-14%, the reduction rate of the middle pass is the same, and the drawing amount of each pass is within 14-17%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911372185.8A CN111021116B (en) | 2019-12-27 | 2019-12-27 | Production process of corrosion-resistant stainless steel wire rope for woven mesh |
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| CN113953337A (en) * | 2020-07-21 | 2022-01-21 | 郑太芸 | Manufacturing method of novel anti-static flexible steel wire of invisible protective net |
| CN113789481B (en) * | 2021-09-13 | 2023-04-07 | 江阴法尔胜泓昇不锈钢制品有限公司 | Stainless steel wire, preparation method thereof and stainless steel spring |
| CN113774698B (en) * | 2021-09-13 | 2024-12-17 | 江阴法尔胜泓昇不锈钢制品有限公司 | Production method for double-mode drawing and single-time forming of steel wire rope |
| CN113814282B (en) * | 2021-09-13 | 2023-05-23 | 江阴法尔胜泓昇不锈钢制品有限公司 | Preparation method of stainless steel wire for netting |
| CN114045443A (en) * | 2021-11-22 | 2022-02-15 | 连云港力升金属科技有限公司 | Corrosion-resistant high-strength high-toughness high-heat-conductivity stainless steel wire and preparation method thereof |
| CN115679220B (en) * | 2022-11-18 | 2023-09-05 | 江阴法尔胜泓昇不锈钢制品有限公司 | Preparation method of high-cleanliness medical steel wire rope |
| CN115845128B (en) * | 2022-12-12 | 2024-03-08 | 江阴法尔胜泓昇不锈钢制品有限公司 | Titanium alloy rope for orthopedic internal fixation system and preparation process thereof |
| CN117758529B (en) * | 2023-12-05 | 2025-10-17 | 江阴法尔胜泓昇不锈钢制品有限公司 | Preparation method of high-safety multi-strand stainless steel wire rope |
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