CN115011783A - Water-bath heat treatment method for special steel wire for high-strength reinforced steel shot - Google Patents
Water-bath heat treatment method for special steel wire for high-strength reinforced steel shot Download PDFInfo
- Publication number
- CN115011783A CN115011783A CN202111624570.4A CN202111624570A CN115011783A CN 115011783 A CN115011783 A CN 115011783A CN 202111624570 A CN202111624570 A CN 202111624570A CN 115011783 A CN115011783 A CN 115011783A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- heat treatment
- treatment
- solution
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 238000010791 quenching Methods 0.000 claims abstract description 15
- 230000000171 quenching effect Effects 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 238000007127 saponification reaction Methods 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 150000003751 zinc Chemical class 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical group [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- 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
- C23C22/73—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 characterised by the process
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention relates to the technical field of preparation of reinforced steel balls, and provides a water-bath heat treatment method for a steel wire special for a high-strength reinforced steel ball, which comprises the following steps: step 1: fixing two ends of a steel wire to be processed, and then expanding the two ends of the fixed steel wire to keep the steel wire in a tensioning state; step 2: fixing the steel wire in a tensioned state in a cleaning tank, and then spraying cleaning solution to the steel wire fixed in the cleaning tank, wherein the steel wire is subjected to dirt treatment by the cleaning solution; and step 3: transferring the steel wire in the tensioning state to a heat treatment furnace, and then heating the steel wire in the tensioning state to 800-900 ℃, wherein the heating time is 3-4 min; and 4, step 4: and after the steel wire in the heating state is fully austenitized, immersing the steel wire in a quenching agent solution of a water bath for 3-5 seconds, wherein the temperature of the quenching agent solution is 80-100 ℃.
Description
Technical Field
The invention relates to the technical field of shoe production, in particular to a water bath heat treatment method for a special high-strength reinforced steel ball steel wire.
Background
Steel wire is an indispensable raw material for manufacturing steel shots, and steel shots are widely applied in various industries. Heat treatment is an important step in the production of steel wire. Because the steel wire is generally used for applying tensile force, the steel wire is required to have stronger tensile strength and higher mechanical property, and the purpose is achieved by carrying out heat treatment on the steel wire; meanwhile, certain internal stress or structural stress can be generated among tissues in the steel wire manufacturing process, the steel wire is used in a reaction mode, and the internal stress can be eliminated through heat treatment.
The steel wire is subjected to intermediate heat treatment in a mode of more heat treatment, but the intermediate heat treatment process is unreasonable in link arrangement, so that the problems of low production efficiency, high production cost and low steel wire cost and quality exist. Particularly, in the process of heat treatment, the surface phosphating process is improper in selection, such as unreasonable arrangement of total acidity, free acidity, acid ratio, phosphating temperature, phosphating time and the like, so that the surface corrosion resistance and lubricity of the steel wire are not high, and the requirements of steel wire rope heat treatment wire drawing production cannot be well met.
Therefore, a method for performing water bath heat treatment on the steel wire special for the high-strength reinforced steel shot is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for carrying out water bath heat treatment on a steel wire special for a high-strength reinforced steel shot so as to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a water bath heat treatment method for a steel wire special for a high-strength reinforced steel shot comprises the following steps:
step 1: fixing two ends of a steel wire to be processed, and then spreading the two ends of the fixed steel wire to keep the steel wire in a tensioning state;
step 2: fixing the steel wire in a tensioned state in a cleaning tank, and then spraying cleaning solution to the steel wire fixed in the cleaning tank, wherein the cleaning solution finishes the dirt treatment on the steel wire;
and step 3: transferring the steel wire in the tensioning state to a heat treatment furnace, and then heating the steel wire in the tensioning state to 800-900 ℃, wherein the heating time is 3-4 min;
and 4, step 4: after the steel wire in the heating state is fully austenitized, immersing the steel wire in a quenching agent solution of a water bath for 3-5 seconds, wherein the temperature of the quenching agent solution is 80-100 ℃;
e) acid washing and rinsing treatment: selecting acetic acid for pickling for 2-3min, and washing with water for 5-6 min;
f) zinc series phosphating treatment: the zinc phosphating solution has total acidity of 80-115 points, free acidity of 12-20 points, acid ratio of 5-8, temperature of 80-90 deg.C, and phosphating time of 40-50s
g) Washing and saponification treatment: washing with water for 5-6min at 70-80 deg.C; h) And (3) drying treatment: drying is carried out by adopting a drying box, the drying temperature is 220-235 ℃, and the drying time is 0.8-1.2 min.
Further, the quenching agent solution in the step 4 is a sodium polyacrylate solution with the concentration of 3-8%.
The invention has the beneficial effects that:
according to the method for the water bath heat treatment of the steel wire special for the high-strength reinforced steel shot, the quenching agent water bath quenching replaces the original lead bath quenching, so that the harm to the body of workers and the pollution to the environment are greatly reduced, and the energy consumption is reduced; meanwhile, the heating is carried out in a sectional heating mode, and the influence of environmental change on the organization structure can be reduced by reasonably controlling the furnace temperature of each section, so that the quality and the stability of the product are guaranteed; meanwhile, the tensile strength of the steel wire is effectively improved, and the fatigue life of the steel wire rope is prolonged; and the heat treatment processing method is simple and convenient to implement and low in production cost, so that the production cost is saved.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In this application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a water bath heat treatment method of a steel wire special for high-strength reinforced steel balls, which comprises the following steps:
step 1: fixing two ends of a steel wire to be processed, and then spreading the two ends of the fixed steel wire to keep the steel wire in a tensioning state;
step 2: fixing the steel wire in a tensioned state in a cleaning tank, and then spraying cleaning solution to the steel wire fixed in the cleaning tank, wherein the steel wire is subjected to dirt treatment by the cleaning solution;
and step 3: transferring the steel wire in the tensioning state to a heat treatment furnace, and then heating the steel wire in the tensioning state to 800-900 ℃, wherein the heating time is 3-4 min;
and 4, step 4: after the steel wire in the heating state is fully austenitized, immersing the steel wire in a quenching agent solution of a water bath for 3-5 seconds, wherein the temperature of the quenching agent solution is 80-100 ℃; i) Acid washing and washing treatment: selecting acetic acid for pickling for 2-3min, and washing with water for 5-6 min;
j) zinc series phosphating treatment: the zinc phosphating solution has total acidity of 80-115 points, free acidity of 12-20 points, acid ratio of 5-8, temperature of 80-90 deg.C, and phosphating time of 40-50s
k) Washing and saponification treatment: washing with water for 5-6min at 70-80 deg.C; l) drying treatment: drying is carried out by adopting a drying box, the drying temperature is 220-.
The cooling liquid is prepared from the following components in percentage by weight: 97% of water and 3% of copper sulfate form electrolyte, and then 5% of polymer additive acrylic acid, 1% of sodium nitrite, 2% of sodium chloride and 0.1% of OP-07 emulsifier by weight of the electrolyte are added into the electrolyte and evenly stirred to obtain the electrolyte.
Further, the quenching agent solution in the step 4 is a sodium polyacrylate solution with the concentration of 3-8%.
Tests prove that the strength of the steel wire quenched by the method is not obviously different from that of the traditional lead bath, the toughness is slightly improved compared with lead-dissolved quenching, the torsion value of the steel wire is improved by 1-3 times, the phenomenon that the steel wire is coated with lead is fundamentally solved, no requirement is imposed on a lubricant carried on the surface of the rough-drawn steel wire in production, and the difficulty in producing the rough-drawn steel wire is effectively reduced.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. A water bath heat treatment method for a steel wire special for a high-strength reinforced steel shot comprises the following steps:
step 1: fixing two ends of a steel wire to be processed, and then spreading the two ends of the fixed steel wire to keep the steel wire in a tensioning state;
and 2, step: fixing the steel wire in a tensioned state in a cleaning tank, and then spraying cleaning solution to the steel wire fixed in the cleaning tank, wherein the steel wire is subjected to dirt treatment by the cleaning solution;
and step 3: transferring the steel wire in the tensioning state to a heat treatment furnace, and then heating the steel wire in the tensioning state to 800-900 ℃, wherein the heating time is 3-4 min;
and 4, step 4: after the steel wire in the heating state is fully austenitized, immersing the steel wire in a quenching agent solution of a water bath for 3-5 seconds, wherein the temperature of the quenching agent solution is 80-100 ℃;
a) acid washing and rinsing treatment: selecting acetic acid for pickling for 2-3min, and washing with water for 5-6min
b) Zinc series phosphating treatment: the total acidity of zinc phosphating solution is 80-115 points, the free acidity is 12-20 points, the acid ratio is 5-8, the temperature is 80-90 ℃, and the phosphating time is 40-50s
c) Washing and saponification treatment: washing with water for 5-6min at 70-80 deg.C;
d) and (3) drying treatment: drying is carried out by adopting a drying box, the drying temperature is 220-.
2. The method for the water bath heat treatment of the steel wire special for the high-strength reinforced steel shot according to claim 1, characterized in that: in the step 4, the quenching agent solution is a sodium polyacrylate solution with the concentration of 3-8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624570.4A CN115011783A (en) | 2021-12-28 | 2021-12-28 | Water-bath heat treatment method for special steel wire for high-strength reinforced steel shot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624570.4A CN115011783A (en) | 2021-12-28 | 2021-12-28 | Water-bath heat treatment method for special steel wire for high-strength reinforced steel shot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115011783A true CN115011783A (en) | 2022-09-06 |
Family
ID=83065061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111624570.4A Pending CN115011783A (en) | 2021-12-28 | 2021-12-28 | Water-bath heat treatment method for special steel wire for high-strength reinforced steel shot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115011783A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676791A (en) * | 2012-05-16 | 2012-09-19 | 冯伟年 | Steel wire induction heating treatment device and method, tire steel cord and silicon chip cutting wire |
| CN102912109A (en) * | 2012-11-21 | 2013-02-06 | 江苏赛福天钢索股份有限公司 | Thermal treatment technique of steel wire |
| WO2018040536A1 (en) * | 2016-08-30 | 2018-03-08 | 龙南县格林庭园用品有限公司 | Method for preparing composite hot-galvanized steel wire |
| CN108034802A (en) * | 2018-01-11 | 2018-05-15 | 江苏神猴钢绳开发有限公司 | The heat treatment method and its production equipment of a kind of steel wire |
| KR101913076B1 (en) * | 2018-05-30 | 2018-10-29 | 조하식 | Method of high strength galvanized wire rod having excellent anti-corrosion for vehicle |
| CN108866315A (en) * | 2018-06-29 | 2018-11-23 | 柳州市横阳机械有限公司 | A kind of water-bath quenching heat treatment method of steel wire |
| CN109576468A (en) * | 2018-12-25 | 2019-04-05 | 重庆强劲金属制品有限责任公司 | A kind of production quenching technical of steel wire |
-
2021
- 2021-12-28 CN CN202111624570.4A patent/CN115011783A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676791A (en) * | 2012-05-16 | 2012-09-19 | 冯伟年 | Steel wire induction heating treatment device and method, tire steel cord and silicon chip cutting wire |
| CN102912109A (en) * | 2012-11-21 | 2013-02-06 | 江苏赛福天钢索股份有限公司 | Thermal treatment technique of steel wire |
| WO2018040536A1 (en) * | 2016-08-30 | 2018-03-08 | 龙南县格林庭园用品有限公司 | Method for preparing composite hot-galvanized steel wire |
| CN108034802A (en) * | 2018-01-11 | 2018-05-15 | 江苏神猴钢绳开发有限公司 | The heat treatment method and its production equipment of a kind of steel wire |
| KR101913076B1 (en) * | 2018-05-30 | 2018-10-29 | 조하식 | Method of high strength galvanized wire rod having excellent anti-corrosion for vehicle |
| CN108866315A (en) * | 2018-06-29 | 2018-11-23 | 柳州市横阳机械有限公司 | A kind of water-bath quenching heat treatment method of steel wire |
| CN109576468A (en) * | 2018-12-25 | 2019-04-05 | 重庆强劲金属制品有限责任公司 | A kind of production quenching technical of steel wire |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101403119B (en) | Technique for producing high-strength steel stranded wire by 77MnA steel | |
| CN101487487B (en) | Manufacturing process for stress relaxation-resistant high-strength bolt | |
| CN103352381A (en) | Production method of high-strength steel rope | |
| CN102747624A (en) | Low-carbon steel stranded wire and production process thereof | |
| CN103643146B (en) | A kind of manufacture method of chrome molybdenum low-alloy prestressed aluminium coated steel wire | |
| CN105414220A (en) | Production technology of high strength galvanized steel wires | |
| CN103643572A (en) | Production method for thermal treatment prestressed steel strand | |
| CN104646855A (en) | Production process for ship automatic welding wire capable of accelerating production efficiency | |
| CN115011783A (en) | Water-bath heat treatment method for special steel wire for high-strength reinforced steel shot | |
| CN103639231A (en) | Chromium-molybdenum low-alloy zinc-plating steel strand manufacturing method | |
| CN108866315A (en) | A kind of water-bath quenching heat treatment method of steel wire | |
| CN111005045A (en) | Preparation method of titanium and titanium alloy surface coating | |
| CN103045816A (en) | Quenching and bluing solution and using method thereof | |
| CN108611468A (en) | A kind of heat treatment method of steel wire | |
| CN115233100A (en) | Production process of galvanized steel wire rope for ocean engineering | |
| CN113403530A (en) | High-strength corrosion-resistant alloy steel forged circle and preparation method thereof | |
| CN112011791A (en) | Formation agent based on phosphoric acid without surface conditioning process and sodium sulfite promoter and preparation method thereof | |
| CN108942106A (en) | A kind of production and processing method of aluminium set cylinder | |
| CN104357818A (en) | Composition for steel phosphating and preparation method thereof | |
| CN104250740A (en) | Preparation method of phosphatization liquid for steel pipe cold-rolling processing pre-treatment | |
| CN104625491B (en) | A kind of production technology of ship automatic welding wire | |
| CN102978599A (en) | Normal-temperature phosphating process | |
| CN114892154B (en) | High-corrosion-resistance phosphating solution for wind power main shaft bearing and phosphating method | |
| CN107974676A (en) | A kind of corrosion resistant membrane treatment process that turns blue of spring steel surface abrasion resistance | |
| CN116334356A (en) | Production process of gearbox shell connection check bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |