CN103173707B - A kind of steel beam column highly corrosion resistant hot dip galvanized zinc alloy coating and preparation technology thereof - Google Patents
A kind of steel beam column highly corrosion resistant hot dip galvanized zinc alloy coating and preparation technology thereof Download PDFInfo
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- CN103173707B CN103173707B CN201310054017.0A CN201310054017A CN103173707B CN 103173707 B CN103173707 B CN 103173707B CN 201310054017 A CN201310054017 A CN 201310054017A CN 103173707 B CN103173707 B CN 103173707B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000005260 corrosion Methods 0.000 title claims abstract description 45
- 230000007797 corrosion Effects 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims description 20
- 238000005516 engineering process Methods 0.000 title claims description 19
- 239000011248 coating agent Substances 0.000 title abstract description 39
- 238000000576 coating method Methods 0.000 title abstract description 39
- 229910001297 Zn alloy Inorganic materials 0.000 title description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 76
- 239000000956 alloy Substances 0.000 claims abstract description 76
- 238000007747 plating Methods 0.000 claims abstract description 58
- 238000003618 dip coating Methods 0.000 claims abstract description 17
- 238000005554 pickling Methods 0.000 claims description 15
- 238000009713 electroplating Methods 0.000 claims description 13
- 238000007654 immersion Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 241000276489 Merlangius merlangus Species 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 238000010828 elution Methods 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 239000011592 zinc chloride Substances 0.000 claims 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims 1
- 239000011701 zinc Substances 0.000 abstract description 28
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 19
- 229910052725 zinc Inorganic materials 0.000 abstract description 19
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 230000005611 electricity Effects 0.000 abstract description 11
- 238000007598 dipping method Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052761 rare earth metal Inorganic materials 0.000 description 8
- 150000002910 rare earth metals Chemical class 0.000 description 8
- 229910052684 Cerium Inorganic materials 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 229910052746 lanthanum Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 229910001122 Mischmetal Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910000967 As alloy Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- PGTXKIZLOWULDJ-UHFFFAOYSA-N [Mg].[Zn] Chemical compound [Mg].[Zn] PGTXKIZLOWULDJ-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- YJVLWFXZVBOFRZ-UHFFFAOYSA-N titanium zinc Chemical compound [Ti].[Zn] YJVLWFXZVBOFRZ-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
A kind of steel beam column highly corrosion resistant alloy for hot-dip coating provided by the present invention, it thes improvement is that the alloy pig used time prepared by alloy layer is made up of following ingredients by weight percentage: Al0.01 2%, Mg0.01 2%, Re0.05 3%, Cu0.002 1%, surplus is Zn；This alloy layer has features such as being applicable to the highly corrosion resistant of transmission line of electricity steel beam column, low zinc consumption and better economy, and this alloy layer can be effectively improved the anti-corrosion life of transmission line of electricity steel beam column, can ensure that while not improving thickness of coating, make anti-corrosion life more industrial hot dipping pure zinc plating improve more than 2 times.
Description
[technical field]
The present invention relates to metal material or immersion, specifically, relate to a kind of steel beam column highly corrosion resistant hot dip galvanized zinc alloy
Coating and preparation technology thereof.
[background technology]
Steel beam column is directly connected to electrical network as the general infrastructure part of a kind of electric power line pole tower, the reliability of its service behaviour
The safety and stablization run.The loss that the corrosion failure of iron and steel is brought is huge, has data to show, the annual iron and steel of China is rotten
Deteriorate 500,000,000,000 RMB of failing to keep an appointment, and accounts for the 6% of gross national product, it can be seen that, the corrosion of iron and steel causes material and the energy
Significant wastage.Hot-dip can be effectively improved the decay resistance of iron and steel, thus can make the loss that iron and steel brings because being corroded
Reduce by 20 ~ 30%.
At present, by adding alloying element in zinc liquid, at the laminated gold plate of coating surface one of steel beam column during hot-dip
Method be widely used, the decay resistance of this alloy layer is better than pure zinc coating, and then can improve alloy for hot-dip coating
The corrosion fatigue life of steel beam column so that it is meet the requirement that steel beam column life cycle management is built.The alloy layer developed
Mainly there are zinc aluminum alloy coating, zinc-magnesium alloy coating, zinc titanium alloy coating etc., but owing to coating cost is high, technology is immature
Etc. reason, the most not yet use in transmission line of electricity steel beam column, it is therefore necessary to for this application background, at existing alloy layer
Improve in achievement in research and innovate, while improving alloy layer corrosion resistance, reducing Alloy Plating by reducing alloy content
The cost of layer.
Along with industrial developing rapidly in world wide, global climate environment constantly deteriorates, and the discharge of big capacity industrial waste gas makes air
In sulfide, the deep-etching gas content such as oxynitrides be greatly increased, electric power line pole tower corrosion under sour gas environment
Rapidly, and the acid rain formed accelerates corrosion rate especially, and especially under the marine environment of coastal area, transmission line of electricity steel beam column is every
Within 2 years, to carry out a preservative treatment, not only cost is high, but also the process that need to have a power failure, economic loss is serious.Therefore, research and development are suitable
For electric power line pole tower long-effective corrosion, the technical and coating of drinking of better economy, to the anticorrosion improving electric power line pole tower
In the life-span, the anticorrosion and the operating cost tool that reduce electric power line pole tower are of great significance.
Patent No. 200710179677.6, in invention entitled a kind of transmission line pole tower long-lasting anticorrosion coating and preparation technology thereof
Disclose a kind of transmission line pole tower long-lasting anticorrosion coating and preparation technology thereof, its alloy layer by 32～the zinc of 55%,
43～the aluminium of 65%, 0.5～the magnesium of 8%, 0.5～the rare earth nickel of 3%, 0.01～the titanium composition of 0.2%.Its preparation technology will be for plating
In the plating solution of the alloy formula that part is put into anti-corrosion alloy coating, immersion plating 3～10 minutes at 430 DEG C～450 DEG C.But this patent is closed
Al too high levels in gold plate formula, produces equipment (08F steel to the transmission line of electricity steel beam column galvanizing commonly used at present
Zinc pot inwall) seriously corroded, zinc pot need to frequently be changed.
[summary of the invention]
For overcoming defect of the prior art, it is an object of the invention to provide the highly corrosion resistant of a kind of transmission line of electricity steel beam column
Alloy layer.
Another object of the present invention is to provide the preparation work of the alloy for hot-dip coating of a kind of transmission line of electricity steel beam column highly corrosion resistant
Skill.
For achieving the above object, the present invention is by the following technical solutions:
The alloy for hot-dip coating of a kind of steel beam column high rotproofness provided by the present invention, it thes improvement is that, described Alloy Plating
The alloy pig used during layer preparation is prepared from by following component by weight percentage:
Al0.01-2%, Mg0.01-2%, Re0.05-3%, Cu0.002-1%, surplus is Zn.
The alloy for hot-dip coating of the provided by the present invention first preferred steel beam column high rotproofness, described alloy layer is adopted when preparing
Alloy pig be prepared from by following component by weight percentage:
Al0.01～1.5%, Mg0.01～1.5%, Re0.05～1.5%, Cu0.002～0.9%, surplus is Zn.
The alloy for hot-dip coating of the second preferred steel beam column high rotproofness that the present invention provides, uses time prepared by described alloy layer
Alloy pig be prepared from by following component by weight percentage:
Al0.02～0.9, Mg0.02～1.4%, Re0.3～1.4%, Cu0.003～0.8%, surplus is Zn.
The alloy for hot-dip coating of the 3rd preferred steel beam column high rotproofness that the present invention provides, described rare earth is La and Ce mixing
Rare earth.
The preparation technology of the alloy for hot-dip coating of a kind of steel beam column high rotproofness provided by the present invention, comprises plating piece and carries out hot dipping
Pickling before plating, wash, help plating and drying and processing；It is characterized in that using concentration is before 10 ~ 20% hydrochloric acid carry out plating piece hot-dip
Acidity, pickling time 5-30 minute, carry out again helping plating through washing after acidity, help plating temperature 30-100 DEG C, help the plating time to be
The 40-60 second；
After plating piece helps plating, at a temperature of 120-150 DEG C, dry 20-40s, immediately plating piece is put into after specimen surface whitens
In alloy electroplating bath, under the conditions of control alloy electroplating bath temperature is 440-460 DEG C, after immersion plating 50-200s, propose to close by sample immediately
Gold liquid carries out air cooling, obtains product.
The effect that each component of used alloy pig prepared by alloy layer is as follows:
Zinc (Zn): the primary alloy constituent of alloy layer, plays electro-chemical protection to steel substrate, during corrosion
As corrosion anode, by sacrificing self to protect electric power line pole tower parent metal；
Aluminium (Al): micro alloying element, aluminium element can form intermetallic compound with zinc in this content range, be formed and adhere to plating
The medium of layer, makes the Adhesion enhancement of coating, and in alloy layer crystal growing process, can form oxidation at coating surface
Aluminium film protection alloy layer, improves the corrosion fatigue life of overall coating；
Magnesium (Mg): microalloy element, is evenly distributed in coating, thinning microstructure and enhancing coating and the adhesive force of collective, carries
The corrosion resistance of high coating.
Rare earth (La and Ce mischmetal): microalloy element, owing to rare earth has prominent chemism and the strongest affinity,
Make zinc-aluminium melting viscosity be greatly lowered, improve zinc liquid mobility, reduce zinc liquid angle of wetting and surface tension, improve coating uniformity.
And the impurity in plating solution is purified, thus improve the wellability to steel matrix.Alloy layer is made to form the coating that light is complete,
Surface corrosion resistance, formability are greatly improved and improve.
Copper (Cu): microalloy element, significantly improves the atmospheric corrosion resistance of coating.
The present invention is in early stage invention entitled " a kind of transmission line of electricity steel beam column hot dip galvanized zinc alloy coating and preparation technology thereof "
On the basis of the improvement done, after the present invention has been newly added copper, decay resistance improves further.Make with salt spray test weightlessness
For the corrosion-resistant appraisal standards of alloy layer, at Al0.02%, Mg0.01%, Re0.2%, surplus is under the early stage formula of Zn,
Corrosion resisting property is 2.1 times of pure zinc coating, and constant at Al, Mg, Re content, adds Cu0.003%, and surplus is Zn's
In the present invention, corrosion resisting property is 3.0 times of pure zinc coating.The hot-dip of a kind of steel beam column high rotproofness provided by the present invention is closed
Gold plate, has and is applicable to the high rotproofness of the steel beam column such as angle steel tower of power transmission line and steel tube tower, low zinc consumption and better economy etc.
Feature, and the anti-corrosion life of transmission line of electricity steel beam column can be effectively improved, reduce the operation expense of transmission line of electricity.
The present invention is using salt spray test the first rust spot time as alloy layer corrosion resistance appraisal standards.Early stage is invention entitled " a kind of
Transmission line of electricity steel beam column hot dip galvanized zinc alloy coating and preparation technology thereof " alloy layer corrosion resistance compared with the pure zinc coating of hot dip improve
1 times.And after the addition of copper and other alloying element proportioning adjust, under conditions of thickness of coating is identical, the present invention's
The corrosion resistance pure zinc coating of more industrial hot dip of alloy layer improves 2 times.Compared with prior art, a kind of steel that the present invention provides
Component high rotproofness alloy for hot-dip coating and preparation technology thereof have the advantage that
1, alloy layer has or immersion simply, and thickness of coating is uniform, and alloy content is low, surface quality good, and salt spray resistance is rotten
The feature that erosion performance is high；
2, salt spray test the first rust spot time is as alloy layer corrosion resistance appraisal standards, under conditions of thickness of coating is identical, closes
The corrosion resistance pure zinc coating of more industrial hot-dip of gold plate improves 2 times.
3, preparation cost is low, can mass produce.
[detailed description of the invention]
Implementation below all uses existing hot-dip coating installation, step as described above to carry out, and provides the present invention below
A kind of steel beam column highly corrosion resistant alloy for hot-dip coating and preparation technology do further more detailed description.
Embodiment 1
The steel beam column highly corrosion resistant alloy for hot-dip coating of the present embodiment, the alloy pig used time prepared by alloy layer is by by weight
The following component composition of percentages:
Al0.01%, Mg0.01%, Re0.05%, Cu0.002%, surplus is Zn.
Rare earth is La and Ce mischmetal, and both mixed proportions are 1:2
The preparation technology of alloy layer, pickling before carrying out hot-dip including plating piece, washes, helps plating and drying and processing, its feature
It is that using concentration is the chlorohydric acid pickling of 10%, pickling 5 minutes, help plating through washing carrying out after pickling, helping plating temperature is 50 DEG C
Hot-dip, helping the plating time is 40s；
After plating piece helps plating, at a temperature of 120 DEG C, dry 20s, after specimen surface whitens, immediately plating piece is put into alloy electroplating bath
In, under the conditions of control alloy electroplating bath temperature is 440 DEG C, after immersion plating 90s, immediately sample is proposed aluminium alloy and carries out air cooling, to obtain final product
Product.
Using the alloy immersion plating liquid of the alloy pig formula of the present embodiment, plating piece is L63 × 6 angle steel, and thickness of coating is 100um, salt
Mist corrosion experiment, improves about 2 times as appraisal standards, corrosion resistance compared with the pure zinc coating of hot-dip using the first rust spot.
Embodiment 2
The steel beam column highly corrosion resistant alloy for hot-dip coating of the present embodiment, the alloy pig used time prepared by alloy layer is by by weight
The following component composition of percentages:
Al0.015%, Mg0.01%, Re0.1%, Cu0.003%, surplus is Zn.
Rare earth is La and Ce mischmetal, and both mixed proportions are 2:1
The preparation technology of alloy layer, pickling before carrying out hot-dip including plating piece, washes, helps plating and drying and processing, its feature
It is that using concentration is the chlorohydric acid pickling of 15%, pickling 10 minutes, help plating through washing carrying out after pickling, helping plating temperature is 70 DEG C
Hot-dip, helping the plating time is 50s；
After plating piece helps plating, at a temperature of 120 DEG C, dry 40s, after specimen surface whitens, immediately plating piece is put into alloy electroplating bath
In, under the conditions of control alloy electroplating bath temperature is 450 DEG C, after immersion plating 120s, immediately sample is proposed aluminium alloy and carries out air cooling, i.e.
Obtain product.
Using the alloy immersion plating liquid of the alloy pig formula of the present embodiment, plating piece is L63 × 6 angle steel, and thickness of coating is 120um, salt
Mist corrosion experiment, improves about 2 times as appraisal standards, corrosion resistance compared with the pure zinc coating of hot-dip using the first rust spot.
Embodiment 3
The steel beam column highly corrosion resistant alloy for hot-dip coating of the present embodiment, the alloy pig used time prepared by alloy layer is by by weight
The following component composition of percentages:
Al0.02%, Mg0.01%, Re0.2%, Cu0.005%, surplus is Zn.
Rare earth is La and Ce mischmetal, and both mixed proportions are 6:1.
The preparation technology of alloy layer, pickling before carrying out hot-dip including plating piece, washes, helps plating and drying and processing, its feature
It is that using concentration is the chlorohydric acid pickling of 20%, pickling 10 minutes, help plating through washing carrying out after pickling, helping plating temperature is 70 DEG C
Hot-dip, helping the plating time is 60s；
After plating piece helps plating, at a temperature of 120 DEG C, dry 40s, after specimen surface whitens, immediately plating piece is put into alloy electroplating bath
In, under the conditions of control alloy electroplating bath temperature is 460 DEG C, after immersion plating 150s, immediately sample is proposed aluminium alloy and carries out air cooling, i.e.
Obtain product.
Using the alloy immersion plating liquid of the alloy pig formula of the present embodiment, plating piece is L100 × 10 angle steel, and thickness of coating is 120um,
Salt air corrosion is tested, and improves about 2 times as appraisal standards, corrosion resistance compared with the pure zinc coating of hot-dip using the first rust spot.
Claims (3)
1. a preparation technology for steel beam column highly corrosion resistant alloy for hot-dip coating, including plating piece pickling, wash, help plating and
Drying and processing, it is characterised in that use concentration be 10～20% salt acid elution plating piece 5～after 30 minutes through washing be placed on 30～
In 100 DEG C of quickening liquids, help plating 40～60s, at 120～150 DEG C, dry 20～40s, immediately will plating after the whiting of unplated piece surface
Part is put in alloy electroplating bath, under the conditions of control alloy electroplating bath temperature is 440～450 DEG C, after immersion plating 50～200s, immediately by sample
Propose alloy electroplating bath and carry out air cooling, to obtain final product；
Described alloy electroplating bath is prepared from by following component by weight percentage: Al 0.01～0.02%, Mg 0.01～0.02%,
Re 0.05～1.5%, Cu 0.002～0.005%, surplus is Zn.
The preparation technology of a kind of steel beam column highly corrosion resistant alloy for hot-dip coating the most according to claim 1, its feature exists
It is prepared from by following component by weight percentage in described alloy electroplating bath:
Al 0.02%, Mg 0.02%, Re 0.3～1.4%, Cu 0.003～0.005%, surplus is Zn.
The preparation technology of a kind of steel beam column highly corrosion resistant alloy for hot-dip coating the most according to claim 1, its feature exists
Formula in described quickening liquid is: 300～350g ZnCl2, 10～15g NaCl, 20～25g NaF, solvent 1 liter.
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| CN201310054017.0A CN103173707B (en) | 2013-02-20 | 2013-02-20 | A kind of steel beam column highly corrosion resistant hot dip galvanized zinc alloy coating and preparation technology thereof |
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| CN201310054017.0A CN103173707B (en) | 2013-02-20 | 2013-02-20 | A kind of steel beam column highly corrosion resistant hot dip galvanized zinc alloy coating and preparation technology thereof |
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| CN103834890B (en) * | 2014-03-12 | 2016-01-20 | 国家电网公司 | Electric power pylon and fastening piece anti-corrosion alloy coating and preparation technology |
| CN105568059A (en) * | 2016-01-08 | 2016-05-11 | 国网智能电网研究院 | High-corrosion-resistance overhead ground wire alloy plating layer and preparing process thereof |
| CN105734343A (en) * | 2016-03-31 | 2016-07-06 | 江苏中远稀土新材料有限公司 | Rare-earth multi-element alloy coating and hot-dip galvanizing method thereof |
| CN111074187B (en) * | 2019-12-19 | 2021-12-14 | 河钢股份有限公司 | Steel sheet comprising zinc-aluminium-magnesium coating and method for manufacturing same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454474A (en) * | 2006-05-15 | 2009-06-10 | 蒂森克虏伯钢铁股份公司 | Process for producing a sheet steel product coated with an anticorrosion system |
| CN101935815A (en) * | 2010-09-01 | 2011-01-05 | 中国电力科学研究院 | Transmission line fastening piece alloy coating and preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454474A (en) * | 2006-05-15 | 2009-06-10 | 蒂森克虏伯钢铁股份公司 | Process for producing a sheet steel product coated with an anticorrosion system |
| CN101935815A (en) * | 2010-09-01 | 2011-01-05 | 中国电力科学研究院 | Transmission line fastening piece alloy coating and preparation process thereof |
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