CN111101084A - Zinc-aluminum alloy steel wire coating double-dip plating process for new bridge cable - Google Patents
Zinc-aluminum alloy steel wire coating double-dip plating process for new bridge cable Download PDFInfo
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- CN111101084A CN111101084A CN202010035764.XA CN202010035764A CN111101084A CN 111101084 A CN111101084 A CN 111101084A CN 202010035764 A CN202010035764 A CN 202010035764A CN 111101084 A CN111101084 A CN 111101084A
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/10—Lead or alloys based thereon
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
Abstract
The invention discloses a zinc-aluminum alloy steel wire coating double dip coating process for a new bridge cable, which comprises the following steps: step 1, winding a bridge cable on a pay-off rack; step 2, supporting and guiding one end of a bridge cable on the pay-off rack through a guide wheel, and placing the bridge cable into a lead liquid tank for standing; step 3, guiding the bridge cable with the lead layer plated on the surface into a cooling water tank through a guide wheel, cooling, reacting through a pickling tank, guiding into a clean water tank for cleaning, and finally guiding into a plating assistant solution for reacting; step 4, drying the bridge cable processed in the step 3 through a drying box; step 5, immersing the bridge cable dried in the step 3 into a zinc pot for galvanizing; and 6, guiding the bridge cable into a zinc-aluminum pot for secondary coating, and finally, cooling and winding on a take-up stand. By adopting the double dip plating process, the invention has the advantages of large process tolerance of the processed steel wire, reduced plating leakage problem and thicker plating layer.
Description
Technical Field
The invention relates to the field of double-dip plating processes, in particular to a zinc-aluminum alloy steel wire coating double-dip plating process for a new bridge cable.
Background
The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and is also extended to be a building erected to span mountain stream, unfavorable geology or meet other traffic needs to enable traffic to be more convenient and faster in order to adapt to the modern high-speed developed traffic industry. The lower structure comprises an abutment, a pier and a foundation, the support is a force transmission device arranged at the supporting position of the bridge span structure and the pier or the abutment, and the accessory structures are a bridge head butt plate, a conical slope protection, a revetment, a diversion project and the like.
The cable is commonly used for bridge bearing structures, plays a role in connection with the use of bridges, is a main stressed member of a large-span bridge, and generally consists of hundreds to tens of thousands of steel wires with the diameter of 5mm to 7 mm. Along with the increase of the bridge span, the self weight of the unit span of the steel cable increases in a nonlinear acceleration manner, so that the total self weight of the unit span of the cable bridge also increases in an acceleration manner. The result is that the proportion of the material strength of the cable for bearing the weight of the cable is increased, the proportion for bearing the use load is relatively reduced, and the bearing efficiency is reduced; secondly, under the current steel wire strength, a larger cable cross section is needed, which not only contradicts with the self weight, but also causes the increase of the material consumption of each component, the increase of the construction difficulty, the prolongation of the construction period and the increase of the cost.
With the further rapid development of economy, the continuous construction of bridges across the sea and the river further improves the requirements on the service life of the bridge cable. Especially for bridges in cross-sea areas, chloride ions in the air can accelerate the dissolution of a protective film on a zinc coating, and the main anticorrosion measure of the steel wire for bridge cables in China at present is hot galvanizing on the surface of the steel wire. When carrying out the cladding material to the cable surface, current adopts direct spraying usually, easily causes the inhomogeneous phenomenon of spraying, follows with the waste of cladding material thereupon, if adopt the electroplating coating, electroplates high in production cost, and the waste liquid pollutes the environment simultaneously.
Disclosure of Invention
The invention aims to provide a double dip plating process for a zinc-aluminum alloy steel wire coating of a new bridge cable.
In order to realize the purpose of the invention, the invention adopts the following technical scheme: a zinc-aluminum alloy steel wire coating double dip coating process for a new bridge cable comprises the following steps: step 1, winding a bridge cable on a pay-off rack;
step 2, supporting and guiding one end of a bridge cable on the pay-off rack through a guide wheel, and placing the bridge cable into a lead liquid tank for standing;
step 3, guiding the bridge cable with the lead layer plated on the surface into a cooling water tank through a guide wheel, cooling, reacting through a pickling tank, guiding into a clean water tank for cleaning, and finally guiding into a plating assistant solution for reacting;
step 4, drying the bridge cable processed in the step 3 through a drying box;
step 5, immersing the bridge cable dried in the step 3 into a zinc pot for galvanizing;
and 6, guiding the bridge cable into a zinc-aluminum pot for secondary coating, and finally, cooling and winding on a take-up stand.
Preferably, in the step 1, the paying-off speed of the pay-off rack to the bridge cable is 1 cm/s.
Preferably, in the step 2, the content of lead in the lead liquid tank is 10% -19.1%, and the temperature of the lead liquid is controlled to be 458-600 ℃.
Preferably, in the step 3, the temperature cooling rate in the cooling water tank is 10 ℃/s-30 ℃/s, and the bridge cable is cooled to 50-90 ℃.
Preferably, in the step 3, a sulfuric acid solution is arranged in the pickling tank, the content of sulfuric acid in the sulfuric acid solution is 10% -20%, the temperature of the sulfuric acid solution is controlled to be 36 ℃ -45 ℃, the content of ferrous sulfate in the pickling tank is periodically detected, and when the content of ferrous sulfate exceeds 215g/L, the sulfuric acid solution in the pickling tank is replaced.
Preferably, in step 4, the drying temperature in the drying oven is controlled to be 30-56 ℃.
Preferably, in the step 5, a wiping area is arranged in the zinc pot, and the bridge cable is plated in the zinc pot in an inclined plating or vertical plating manner.
Preferably, in step 6, the winding rate of the take-up stand is the same as the paying-off rate of the pay-off stand.
Compared with the prior art, the zinc-aluminum alloy steel wire coating double dip coating process for the new bridge cable adopting the technical scheme has the following beneficial effects: by adopting the double dip plating process of the zinc-aluminum alloy steel wire coating for the new bridge cable, the bridge cable is processed by the double dip plating process, the lead layer is plated on the bridge cable to increase the corrosion resistance of the bridge cable, and then the salt film is plated to prevent the workpiece from being corroded in the air in a period from the plating assisting tank to the zinc pot, and the zinc layer and the zinc-aluminum layer are plated on the bridge cable to be uniformly coated, so that the use of a plating material is saved, the production cost is reduced, and the service life of the bridge cable is prolonged.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of the zinc-aluminum alloy steel wire coating double-dip plating process for a new bridge cable according to the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of a zinc-aluminum alloy steel wire coating double-dip plating process for a new bridge cable, which comprises the following steps: step 1, winding the bridge cable on a pay-off rack, wherein the pay-off speed of the pay-off rack to the bridge cable is 1 cm/s;
step 2, supporting and guiding one end of a bridge cable on a pay-off rack through a guide wheel, placing the bridge cable into a lead liquid tank for standing, wherein the content of lead in lead liquid in the lead liquid tank is 10% -19.1%, and controlling the temperature of the lead liquid at 458-600 ℃;
and 3, guiding the bridge cable with the lead layer plated on the surface into a cooling water tank through a guide wheel, wherein the cooling rate of the temperature in the cooling water tank is 10-30 ℃/s, cooling the bridge cable to 50-90 ℃, cooling the bridge cable, passing through a pickling tank, wherein a sulfuric acid solution is arranged in the pickling tank, the content of sulfuric acid in the sulfuric acid solution is 10-20%, and the temperature of the sulfuric acid solution is controlled to be 36-45 ℃ for reaction. Periodically detecting the content of ferrous sulfate in the pickling tank, when the content of the ferrous sulfate exceeds 215g/L, replacing the sulfuric acid solution in the pickling tank, then introducing the sulfuric acid solution into a clean water tank for cleaning, and finally introducing the sulfuric acid solution into the plating assistant solution for reaction;
4, passing the bridge cable processed in the step 3 through a drying box, controlling the drying temperature in the drying box to be 30-56 ℃, and drying;
step 5, immersing the bridge cable dried in the step 3 into a zinc pot for galvanizing, wherein a wiping area is arranged in the zinc pot, and the bridge cable is plated in the zinc pot in an inclined plating or vertical plating manner;
and 6, guiding the bridge cable into a zinc-aluminum pot for secondary coating, cooling, and winding on a winding frame, wherein the winding speed of the winding frame is the same as the paying-off speed of a paying-off frame, and the winding speed is kept at 1 cm/s.
When using, the bridge cable rolling is on the pay off rack, and the guide pulley support direction is walked around to the one end of bridge cable, enters into inside the lead bath, and the bridge cable reacts in the lead liquid, plates one deck lead layer on the surface of bridge cable, under the effect on lead layer, increases the corrosion resistance of bridge cable. And (3) leading the bridge cable plated with the lead layer on the surface into a cooling water tank through a guide wheel, cooling, and removing oxide skin and rusty substances on the surface of the steel through a sulfuric acid solution in a pickling tank through a pickling tank. And (3) guiding the bridge cable after reaction into a clean water tank, and cleaning impurities on the metal surface of the bridge cable to ensure that the surface of the bridge cable is stably plated with an attached coating. When the bridge cable passes through the plating assistant agent, a layer of salt film is deposited on the surface of the bridge cable, and the corrosion of the workpiece in the air in a period from the plating assistant tank to the zinc pot is prevented. The drying effect is achieved in the drying box, the bridge cable enters the zinc pot to be galvanized, then enters the zinc-aluminum pot to be coated again, the service life of the bridge cable is prolonged, and finally the bridge cable is cooled to be wound in the wire collecting frame.
The first embodiment is as follows:
the process schematic diagram of the zinc-aluminum alloy steel wire coating double-dip plating process for the new bridge cable comprises the following steps: step 1, winding the bridge cable on a pay-off rack, wherein the pay-off speed of the pay-off rack to the bridge cable is 1 cm/s;
step 2, supporting and guiding one end of a bridge cable on a pay-off rack through a guide wheel, placing the bridge cable into a lead liquid tank for standing, wherein the content of lead in lead liquid in the lead liquid tank is 10%, and controlling the temperature of the lead liquid at 458 ℃;
and 3, guiding the bridge cable with the lead layer plated on the surface into a cooling water tank through a guide wheel, cooling the bridge cable to 60 ℃ at a cooling rate of 10 ℃/s, cooling the bridge cable, then passing through a pickling tank, wherein a sulfuric acid solution is arranged in the pickling tank, the sulfuric acid content in the sulfuric acid solution is 10%, and the temperature of the sulfuric acid solution is controlled at 38 ℃ for reaction. Periodically detecting the content of ferrous sulfate in the pickling tank, when the content of the ferrous sulfate exceeds 215g/L, replacing the sulfuric acid solution in the pickling tank, then introducing the sulfuric acid solution into a clean water tank for cleaning, and finally introducing the sulfuric acid solution into the plating assistant solution for reaction;
4, passing the bridge cable processed in the step 3 through a drying box, controlling the drying temperature in the drying box at 35 ℃, and drying;
step 5, immersing the bridge cable dried in the step 3 into a zinc pot for galvanizing, wherein a wiping area is arranged in the zinc pot, and the bridge cable is plated in the zinc pot in an inclined plating or vertical plating manner;
and 6, guiding the bridge cable into a zinc-aluminum pot for secondary coating, cooling, and winding on a winding frame, wherein the winding speed of the winding frame is the same as the paying-off speed of a paying-off frame, and the winding speed is kept at 1 cm/s.
Example two:
step 1, winding the bridge cable on a pay-off rack, wherein the pay-off speed of the pay-off rack to the bridge cable is 1 cm/s;
step 2, supporting and guiding one end of a bridge cable on a pay-off rack through a guide wheel, placing the bridge cable into a lead liquid tank for standing, wherein the content of lead in lead liquid in the lead liquid tank is 15%, and controlling the temperature of the lead liquid at 520 ℃;
and 3, guiding the bridge cable with the lead layer plated on the surface into a cooling water tank through a guide wheel, cooling the bridge cable to 80 ℃ at a cooling rate of 15 ℃/s, cooling the bridge cable, then passing through a pickling tank, wherein a sulfuric acid solution is arranged in the pickling tank, the sulfuric acid content in the sulfuric acid solution is 15%, and the temperature of the sulfuric acid solution is controlled at 40 ℃ for reaction. Periodically detecting the content of ferrous sulfate in the pickling tank, when the content of the ferrous sulfate exceeds 215g/L, replacing the sulfuric acid solution in the pickling tank, then introducing the sulfuric acid solution into a clean water tank for cleaning, and finally introducing the sulfuric acid solution into the plating assistant solution for reaction;
4, passing the bridge cable processed in the step 3 through a drying box, controlling the drying temperature in the drying box at 40 ℃, and drying;
step 5, immersing the bridge cable dried in the step 3 into a zinc pot for galvanizing, wherein a wiping area is arranged in the zinc pot, and the bridge cable is plated in the zinc pot in an inclined plating or vertical plating manner;
and 6, guiding the bridge cable into a zinc-aluminum pot for secondary coating, cooling, and winding on a winding frame, wherein the winding speed of the winding frame is the same as the paying-off speed of a paying-off frame, and the winding speed is kept at 1 cm/s.
Example three:
step 1, winding the bridge cable on a pay-off rack, wherein the pay-off speed of the pay-off rack to the bridge cable is 1 cm/s;
step 2, supporting and guiding one end of a bridge cable on a pay-off rack through a guide wheel, placing the bridge cable into a lead liquid tank for standing, wherein the content of lead in lead liquid in the lead liquid tank is 19.1%, and controlling the temperature of the lead liquid at 600 ℃;
and 3, guiding the bridge cable with the lead layer plated on the surface into a cooling water tank through a guide wheel, wherein the cooling rate of the temperature in the cooling water tank is 30 ℃/s, cooling the bridge cable to 90 ℃, cooling, then passing through a pickling tank, wherein a sulfuric acid solution is arranged in the pickling tank, the content of sulfuric acid in the sulfuric acid solution is 20%, and the temperature of the sulfuric acid solution is controlled at 45 ℃ for reaction. Periodically detecting the content of ferrous sulfate in the pickling tank, when the content of the ferrous sulfate exceeds 215g/L, replacing the sulfuric acid solution in the pickling tank, then introducing the sulfuric acid solution into a clean water tank for cleaning, and finally introducing the sulfuric acid solution into the plating assistant solution for reaction;
4, passing the bridge cable processed in the step 3 through a drying box, controlling the drying temperature in the drying box to be 55 ℃, and drying;
step 5, immersing the bridge cable dried in the step 3 into a zinc pot for galvanizing, wherein a wiping area is arranged in the zinc pot, and the bridge cable is plated in the zinc pot in an inclined plating or vertical plating manner;
and 6, guiding the bridge cable into a zinc-aluminum pot for secondary coating, cooling, and winding on a winding frame, wherein the winding speed of the winding frame is the same as the paying-off speed of a paying-off frame, and the winding speed is kept at 1 cm/s.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (8)
1. A zinc-aluminum alloy steel wire coating double dip coating process for a new bridge cable is characterized by comprising the following steps: the method comprises the following steps: step 1, winding a bridge cable on a pay-off rack;
step 2, supporting and guiding one end of a bridge cable on the pay-off rack through a guide wheel, and placing the bridge cable into a lead liquid tank for standing;
step 3, guiding the bridge cable with the lead layer plated on the surface into a cooling water tank through a guide wheel, cooling, reacting through a pickling tank, guiding into a clean water tank for cleaning, and finally guiding into a plating assistant solution for reacting;
step 4, drying the bridge cable processed in the step 3 through a drying box;
step 5, immersing the bridge cable dried in the step 3 into a zinc pot for galvanizing;
and 6, guiding the bridge cable into a zinc-aluminum pot for secondary coating, and finally, cooling and winding on a take-up stand.
2. The zinc-aluminum alloy steel wire coating double dip coating process for new bridge cables as claimed in claim 1, characterized in that: in the step 1, the paying-off speed of the paying-off rack to the bridge cable is 1 cm/s.
3. The zinc-aluminum alloy steel wire coating double dip coating process for new bridge cables as claimed in claim 1, characterized in that: in the step 2, the content of lead in the lead liquid groove is 10-19.1%, and the temperature of the lead liquid is controlled at 458-600 ℃.
4. The zinc-aluminum alloy steel wire coating double dip coating process for new bridge cables as claimed in claim 1, characterized in that: in step 3, the cooling rate of the temperature in the cooling water tank is 10-30 ℃/s, and the bridge cable is cooled to 50-90 ℃.
5. The zinc-aluminum alloy steel wire coating double dip coating process for new bridge cables as claimed in claim 1, characterized in that: in the step 3, a sulfuric acid solution is arranged in the pickling tank, the content of sulfuric acid in the sulfuric acid solution is 10% -20%, the temperature of the sulfuric acid solution is controlled to be 36-45 ℃, the content of ferrous sulfate in the pickling tank is periodically detected, and when the content of ferrous sulfate exceeds 215g/L, the sulfuric acid solution in the pickling tank is replaced.
6. The zinc-aluminum alloy steel wire coating double dip coating process for new bridge cables as claimed in claim 1, characterized in that: in step 4, the drying temperature in the drying oven is controlled to be 30-56 ℃.
7. The zinc-aluminum alloy steel wire coating double dip coating process for new bridge cables as claimed in claim 1, characterized in that: in the step 5, a wiping area is arranged in the zinc pot, and the plating mode of the bridge cable in the zinc pot adopts oblique plating or vertical plating.
8. The zinc-aluminum alloy steel wire coating double dip coating process for new bridge cables as claimed in claim 1, characterized in that: in step 6, the winding speed of the take-up stand is the same as the paying-off speed of the pay-off stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035764.XA CN111101084A (en) | 2020-01-14 | 2020-01-14 | Zinc-aluminum alloy steel wire coating double-dip plating process for new bridge cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035764.XA CN111101084A (en) | 2020-01-14 | 2020-01-14 | Zinc-aluminum alloy steel wire coating double-dip plating process for new bridge cable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03281765A (en) * | 1990-03-29 | 1991-12-12 | Nippon Steel Corp | Production of zn-al alloy-plated steel wire excellent in corrosion resistance and fatigue resistance |
| JPH11293440A (en) * | 1998-04-16 | 1999-10-26 | Hokkai Koki Kk | Apparatus for production of molten zinc-aluminum alloy plated wire |
| CN108239735A (en) * | 2018-01-16 | 2018-07-03 | 江苏法尔胜缆索有限公司 | High tough, permanent seal cooling bridge cable 1960MPa grades of Zn-Al Alloy Coated Steel Wires of major diameter |
| CN108707852A (en) * | 2018-05-30 | 2018-10-26 | 江苏法尔胜缆索有限公司 | Bridge cable high intensity multiple zinc-base alloy coating wire and its hot plating technology |
| CN110218959A (en) * | 2019-05-07 | 2019-09-10 | 江苏东纲金属制品有限公司 | A kind of bridge cable high corrosion-resistant Zn90-Al10-Mg Alloy Coating Steel Wire |
-
2020
- 2020-01-14 CN CN202010035764.XA patent/CN111101084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03281765A (en) * | 1990-03-29 | 1991-12-12 | Nippon Steel Corp | Production of zn-al alloy-plated steel wire excellent in corrosion resistance and fatigue resistance |
| JPH11293440A (en) * | 1998-04-16 | 1999-10-26 | Hokkai Koki Kk | Apparatus for production of molten zinc-aluminum alloy plated wire |
| CN108239735A (en) * | 2018-01-16 | 2018-07-03 | 江苏法尔胜缆索有限公司 | High tough, permanent seal cooling bridge cable 1960MPa grades of Zn-Al Alloy Coated Steel Wires of major diameter |
| CN108707852A (en) * | 2018-05-30 | 2018-10-26 | 江苏法尔胜缆索有限公司 | Bridge cable high intensity multiple zinc-base alloy coating wire and its hot plating technology |
| CN110218959A (en) * | 2019-05-07 | 2019-09-10 | 江苏东纲金属制品有限公司 | A kind of bridge cable high corrosion-resistant Zn90-Al10-Mg Alloy Coating Steel Wire |
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Application publication date: 20200505 |