CN109402452A - A kind of hot dip kirsite - Google Patents
A kind of hot dip kirsite Download PDFInfo
- Publication number
- CN109402452A CN109402452A CN201811498234.8A CN201811498234A CN109402452A CN 109402452 A CN109402452 A CN 109402452A CN 201811498234 A CN201811498234 A CN 201811498234A CN 109402452 A CN109402452 A CN 109402452A
- Authority
- CN
- China
- Prior art keywords
- kirsite
- hot dip
- zinc
- hot
- coating
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating With Molten Metal (AREA)
Abstract
The present invention provides a kind of hot dip kirsites, on the basis of the gross mass of hot dip kirsite, the Si of Cr, 0.01-0.5wt% of Mn, 0.01-1wt% of Al, 0.01-2wt% containing 0.1-25.0wt% in the hot dip kirsite, surplus are Zn and the inevitable impurity of kirsite institute band.Hot dip provided by the invention zinc chrome manganese-silicon, hot dip galvanizing process suitable for various complicated ingredient steel materials, it can reduce or maintain zinc-plated zinc pot liquid objectionable impurities iron content in lower range, reduce the zinc slag content of zinc-plated generation, there is excellent quality of coating.
Description
Technical field
The invention belongs to Hot Galvanizing Technology fields, and in particular to a kind of hot dip kirsite.
Background technique
With the rapid development of the industries such as communication, electric power, automobile, ship, household electrical appliances, building, the demand of hot dip zinc product
It is increasing year by year, the requirement to product quality is continuously improved.The principle of hot galvanizing are as follows: restored by pickling or atmosphere by steel part table
Face iron rust cleans up, and then immerses in zinc liquid or be directly immersed in zinc liquid after solvent processing drying；Steel piece surface
Iron reacted with fused zinc, steel construction piece surface formed alloy layer.In order to reduce cost, the anti-corrosion of hot dip zinc product is improved
Property, surface characteristic and good mechanical characteristic, while reducing bottom ash yield, reduce the effective zinc wave generated because salvaging bottom ash
Take, hot-dip galvanized alloy technology presents new development trend.
For example, by adding the alloy layer of trace alloying element, having good at present in the industry of hot galvanizing both at home and abroad
Surface quality, excellent etch resistant properties and excellent binding performance and mechanical performance.But with the improvement of steel manufacturing process
It improves, the ingredient of steel is complex, this variation causes traditional hot galvanizing some galvanizing quality problems occur, as coating is super
Thick phenomenon, in uneven thickness, San Andreas Rift, color difference etc., while its generation bottom ash is more, bottom ash is repeatedly salvaged in production, wave
Take more effective zinc.On the other hand, structure is complicated for plating piece, and shape is changeable, such as big tower part, mostly uses higher containing silicomanganese
Steel, structure is more complicated than the strip etc. of single angle steel, plate, band steel, steel pipe, different model, and such structure influences zinc-plated
The flowing of heat transfer and zinc liquid influences the attachment of coating, puts forward higher requirements to hot-dip galvanized alloy.Large-scale steel part and complexity
Steel part pickling time it is long, can locally generate overpickling；Overpickling can bring more iron particles into and enter quickening liquid and zinc liquid
In, cause impurity iron in galvanizing process zinc liquid to increase, and generate more cadmias.This structural member hot-dip requirement simultaneously
Height needs galvanizing time to extend, and is mainly manifested in galvanizing process that zinc bath heat transfer is ineffective, and zinc bathes poor fluidity, steel
The more dissolved ferric irons of part enter zinc liquid, cause thickness of coating partially thick, and coating has color difference, and coating adhesion is poor, and coating may go out
Existing particle, the quality of coating problems such as not only light is clean for coating, and cadmia increases.In the prior art, commonly it is used for the zinc of hot galvanizing
Alloy mainly has Zn-Al alloy, Zn-Ni alloy, can not be suitable for the steel material surface hot plating technology of complicated ingredient, cannot
Efficiently solve the problem of excessive iron particle enters the increase of cadmia caused by zinc liquid.Hot-dip is more than 3 minutes, due to iron
It is more than 200 μm that particle, which increases thickness of coating, brittle coating, plating piece part poor adhesive force occurs, while generating more bottom ash, from
And there is the zinc of 3-5% to waste, it cannot efficiently use.
Summary of the invention
Present invention efficiently solves existing kirsite exists in the prior art not to be suitable for complicated ingredient and structure
The hot dip of steel material surface, zinc liquid iron particle increase and generate the technical issues of more bottom ash causes zinc to waste.
The present invention provides a kind of hot dip kirsites, and on the basis of the gross mass of hot dip kirsite, the hot dip is used
The Si of Cr, 0.01-0.5wt% of Mn, 0.01-1wt% of Al, 0.01-2wt% in kirsite containing 0.1-25.0wt%, surplus
For Zn.
Hot dip kirsite provided by the invention is fitted by type and content of the inventor to each component in kirsite
Work as selection, specially adds suitable Al, Mn, Cr, Si microelement in zinc bath, obtained hot dip zinc provided by the invention
Alloy can be effectively controlled zinc-iron during its hot dip suitable for various complicated ingredients and the steel material of complicated shape
The too fast growth of alloy-layer, while alloy melting point can also be reduced, so that hot dip provided by the invention is formed after being melted with kirsite
Alloy zinc bathe mobility with higher, the free layer of coating is thinning, at the same can effectively improve alloy layer corrosion resistance and
Mechanical performance makes the thickness of alloy layer more evenly, no color differnece, without San Andreas Rift, without extra list edge, plating with higher
Layer quality, while the generation of iron particle and reduction bottom ash in zinc liquid is reduced, it saves and uses zinc, reduce zinc-plated cost.
The present inventor passes through many experiments discovery, hot dip kirsite provided by the invention, by kirsite
In constituent species and content suitably selected, specially zinc bath in add suitable Al, Mn, Cr, Si microelement, obtain
The hot dip kirsite provided by the invention arrived, the steel material sufficiently complex suitable for various composition and shape, in its heat
It can be effectively controlled the too fast growth of zinc-iron alloy layer during plating, while alloy melting point can also be reduced, so that the present invention provides
Hot dip melted with kirsite after the Alloy zinc that is formed bathe mobility with higher, the free layer of coating is thinning, while can have
Effect improves the corrosion resistance and mechanical performance of alloy layer, the thickness of the alloy layer formed after hot dip more evenly, no color differnece, without sage
Moral Lin Xiaoying, without extra list edge, quality of coating with higher, and can make in zinc liquid iron particle maintain 0.02% with
Lower level.
In hot dip kirsite provided by the invention, by the synergistic effect of Al, Mn, Cr, Si, one side can be substituted
Using price relatively expensive Ni, Sn to reduce cost of material；On the other hand the hot dip kirsite is for containing high-silicon high-manganese
Steel hot-dip San Andreas Rift positive effect effectively inhibits silicomanganese element in steel to promote the too fast growth of zinc-iron alloy layer not
Good influence, hot-dip are more than 3 minutes, and coating is uniform, and thickness can control at 100 μm or so, and ductility of electrodeposited film is good, and plating piece locally adheres to
Power is good, efficiently solves the problems, such as that complicated big tower part coating adhesion is poor, while controlling zinc liquid abrasive grit
Son maintains 0.02% hereinafter, reducing the generation of bottom ash.
As the common knowledge of those skilled in the art, also with inevitable in hot dip kirsite provided by the invention
Impurity, which exists with usual content, and the present invention does not have particular/special requirement.
As the first preferred embodiment of the invention, on the basis of the gross mass of hot dip kirsite, the hot dip
With the Si of Cr, 0.01wt% of Mn, 0.01wt% of Al, 0.01wt% in kirsite containing 0.1wt%, surplus is Zn and kirsite
The inevitable impurity of institute's band.
As second of preferred embodiment of the invention, on the basis of the gross mass of hot dip kirsite, the hot dip
With the Si of Cr, 0.01wt% of Mn, 0.01wt% of Al, 0.01wt% in kirsite containing 25.0wt%, surplus is Zn and zinc closes
The inevitable impurity of golden institute's band.
As the third preferred embodiment of the invention, on the basis of the gross mass of hot dip kirsite, the hot dip
With the Si of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% in kirsite containing 0.1wt%, surplus is Zn and kirsite institute band
Inevitable impurity.
As the 4th kind of preferred embodiment of the invention, on the basis of the gross mass of hot dip kirsite, the hot dip
With the Si of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% in kirsite containing 25.0wt%, surplus is Zn and kirsite institute band
Inevitable impurity.
As the 5th kind of preferred embodiment of the invention, on the basis of the gross mass of hot dip kirsite, the hot dip
With the Si of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% in kirsite containing 15.0wt%, surplus is Zn and kirsite institute band
Inevitable impurity.
As previously mentioned, suitably being selected in hot-dip galvanized alloy provided by the invention by the component to hot dip kirsite
It selects, so that it is suitable for the hot galvanizing on various complicated ingredients and complicated shape steel material surface processing, therefore the present invention mentions
The hot galvanizing method of confession is suitable for the substrate to be plated of various shape complexity, such as in big tower part and various other transmission lines of electricity
Common structural member, but not limited to this.It may be noted that ground is, hot-dip galvanized alloy provided by the invention is to ordinary construction or simply
The substrate surface hot galvanizing to be plated of structure is equally applicable, such as its hot galvanizing that common angle steel or regular troughs steel surface may be implemented
It handles, is repeated no more in the present invention.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only of the invention
Preferred embodiment is not intended to limit the present invention.
Embodiment 1
A kind of hot dip kirsite S1, ingredient is the Si of Cr, 0.5wt% of Mn, 0.05wt% of Al, 0.1wt% of 8wt%, remaining
Amount is Zn and the inevitable impurity of kirsite institute band.
Using the hot dip of the present embodiment with kirsite S1 to steel pipe hot-dipping 1.5 minutes, the thickness of coating of formation is uniform, and
Thickness of coating is distributed as 30~60 μm, and adhesive force test is good, and coating light is bright and clean, generates substantially without bottom ash, two weeks hot dipping
Galvanized alloy liquid iron content maintains 0.0073%.
Embodiment 2
A kind of hot dip kirsite S2, ingredient is the Si of Cr, 0.5wt% of Mn, 0.1wt% of Al, 0.5wt% of 25wt%, remaining
Amount is Zn and the inevitable impurity of kirsite institute band.
Using the hot dip of the present embodiment with kirsite S2 to band strip hot-dip 15 seconds, the thickness of coating of formation is uniform,
And thickness of coating is distributed as 10~30 μm, adhesive force test is good, and coating light is bright and clean, generates few bottom ash, two weeks hot dipping
Galvanized alloy liquid iron content maintains 0.0024%.
Embodiment 3
A kind of hot dip kirsite S3, ingredient is the Si of Cr, 0.2wt% of Mn, 0.1wt% of Al, 0.2wt% of 0.1wt%, remaining
Amount is Zn and the inevitable impurity of kirsite institute band.
The big tower part hot-dip 3 of high-silicon high manganese steel using the hot dip kirsite S3 of the present embodiment to both ends with disk divides
The thickness of coating of clock, formation is uniform, and thickness of coating is distributed as 80~100 μm, and adhesive force test is good, and coating light is bright and clean,
Few bottom ash is generated, two weeks hot dip galvanized zinc alloy liquid iron content maintains 0.005%.
Embodiment 4
A kind of hot dip kirsite S4, ingredient are the Si of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% of 10wt%, and surplus is
The inevitable impurity of Zn and kirsite institute band.
The high-silicon high manganese steel for reinforcing steel disc to both ends and middle part welding with kirsite S4 using the hot dip of the present embodiment is big
Tower part hot-dip 3 minutes, the thickness of coating of formation is uniform, and thickness of coating is distributed as 80 ~ 100 μm, and adhesive force test is good,
Coating light is bright and clean, generates few bottom ash, and two weeks hot dip galvanized zinc alloy liquid iron content maintains 0.008%.
Embodiment 5
A kind of hot dip kirsite S5, ingredient are the Si of Cr, 0.3wt% of Mn, 0.8wt% of Al, 1.5wt% of 5wt%, surplus
For Zn and the inevitable impurity of kirsite institute band.
Using the hot dip of the present embodiment with kirsite S5 square shaped high-silicon high manganese steel big tower part hot-dip 3 minutes, formed
Thickness of coating it is uniform, and thickness of coating is distributed as 75~98 μm, and adhesive force test is good, and coating light is bright and clean, generates few
Bottom ash, two weeks hot dip galvanized zinc alloy liquid iron content maintain 0.006%.
Embodiment 6
A kind of hot dip kirsite S5, ingredient is the Si of Cr, 0.1wt% of Mn, 0.01wt% of Al, 0.01wt% of 2wt%, remaining
Amount is Zn and the inevitable impurity of kirsite institute band.
Using the hot dip of the present embodiment with kirsite S5 to common angle steel hot-dip 1 minute, the thickness of coating of formation is uniform,
And thickness of coating is distributed as 30~50 μm, adhesive force test is good, and coating light is bright and clean, generates few bottom ash, two weeks hot dipping
Galvanized alloy liquid iron content maintains 0.0025%.
Embodiment 7
A kind of hot dip kirsite S4, ingredient are the Si of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% of 20.0wt%, surplus
For Zn and the inevitable impurity of kirsite institute band.
Using the hot dip of the present embodiment with kirsite S4 to common channel steel hot-dip 2 minutes, the thickness of coating of formation is equal
It is even, and thickness of coating is distributed as 30~55 μm, adhesive force test is good, and coating light is bright and clean, generates few bottom ash, half of selenothermy
Immersion plating zinc liquid iron content maintains 0.004%.
Above embodiments are only the preferred embodiment of the present invention, it is noted that those skilled in the art,
Without departing from the principles of the invention, made several improvement, also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of hot dip kirsite, which is characterized in that on the basis of the gross mass of hot dip kirsite, the hot dip is closed with zinc
The Si of Cr, 0.01-0.5wt% of Mn, 0.01-1wt% of Al, 0.01-2wt% in gold containing 0.1-25.0wt%, surplus Zn.
2. hot dip kirsite according to claim 1, which is characterized in that using the gross mass of hot dip kirsite as base
Standard, the Si of Cr, 0.01wt% of Mn, 0.01wt% of Al, 0.01wt% containing 0.1wt%, surplus in the hot dip kirsite
For Zn.
3. hot dip kirsite according to claim 1, which is characterized in that using the gross mass of hot dip kirsite as base
Standard, the Si of Cr, 0.01wt% of Mn, 0.01wt% of Al, 0.01wt% containing 25.0wt%, surplus in the hot dip kirsite
For Zn.
4. hot dip kirsite according to claim 1, which is characterized in that using the gross mass of hot dip kirsite as base
Standard, the Si, surplus Zn of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% containing 0.1wt% in the hot dip kirsite.
5. hot dip kirsite according to claim 1, which is characterized in that using the gross mass of hot dip kirsite as base
Standard, the Si, surplus Zn of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% containing 25.0wt% in the hot dip kirsite.
6. hot dip kirsite according to claim 1, which is characterized in that using the gross mass of hot dip kirsite as base
Standard, the Si, surplus Zn of Cr, 0.5wt% of Mn, 1wt% of Al, 2wt% containing 15.0wt% in the hot dip kirsite.
7. a kind of hot galvanizing method, which is characterized in that substrate to be plated is placed in the heat described in any one of claims 1-6 of melting
In plating kirsite, coating is formed in substrate surface to be plated.
8. a kind of hot galvanizing method according to claim 7, which is characterized in that the substrate to be plated is structural member or band
Steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498234.8A CN109402452A (en) | 2018-12-07 | 2018-12-07 | A kind of hot dip kirsite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811498234.8A CN109402452A (en) | 2018-12-07 | 2018-12-07 | A kind of hot dip kirsite |
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| CN109402452A true CN109402452A (en) | 2019-03-01 |
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| CN201811498234.8A Pending CN109402452A (en) | 2018-12-07 | 2018-12-07 | A kind of hot dip kirsite |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657419A (en) * | 2022-03-21 | 2022-06-24 | 杨明明 | Multi-element alloy material and preparation method thereof |
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| CN103045980A (en) * | 2013-01-29 | 2013-04-17 | 云南科力新材料有限公司 | Hot-dipping aluminum-zinc alloy containing rare earths and preparation method thereof |
| CN103834890A (en) * | 2014-03-12 | 2014-06-04 | 国家电网公司 | Anti-corrosive alloy coating for power transmission tower and fastener and preparation process of anti-corrosive alloy coating |
| CN104955975A (en) * | 2013-01-31 | 2015-09-30 | Jfe钢板株式会社 | HOT-DIP Al-Zn GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME |
| CN104955976A (en) * | 2013-01-31 | 2015-09-30 | Jfe钢板株式会社 | HOT-DIP Al-Zn GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME |
| CN107267904A (en) * | 2013-03-06 | 2017-10-20 | 安赛乐米塔尔公司 | The method for the metallic plate that manufacture is wiped with ZnAl coatings and optimization, corresponding metallic plate, part and vehicle |
| CN107868883A (en) * | 2017-10-25 | 2018-04-03 | 株洲冶炼集团股份有限公司 | A kind of hot dip kirsite |
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2018
- 2018-12-07 CN CN201811498234.8A patent/CN109402452A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101253280A (en) * | 2005-09-01 | 2008-08-27 | 新日本制铁株式会社 | Dip coating Zn-Al series alloy steel products with excellent bending working quality and manufacturing method thereof |
| CN103045980A (en) * | 2013-01-29 | 2013-04-17 | 云南科力新材料有限公司 | Hot-dipping aluminum-zinc alloy containing rare earths and preparation method thereof |
| CN104955975A (en) * | 2013-01-31 | 2015-09-30 | Jfe钢板株式会社 | HOT-DIP Al-Zn GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME |
| CN104955976A (en) * | 2013-01-31 | 2015-09-30 | Jfe钢板株式会社 | HOT-DIP Al-Zn GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME |
| CN107267904A (en) * | 2013-03-06 | 2017-10-20 | 安赛乐米塔尔公司 | The method for the metallic plate that manufacture is wiped with ZnAl coatings and optimization, corresponding metallic plate, part and vehicle |
| CN103834890A (en) * | 2014-03-12 | 2014-06-04 | 国家电网公司 | Anti-corrosive alloy coating for power transmission tower and fastener and preparation process of anti-corrosive alloy coating |
| CN107868883A (en) * | 2017-10-25 | 2018-04-03 | 株洲冶炼集团股份有限公司 | A kind of hot dip kirsite |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657419A (en) * | 2022-03-21 | 2022-06-24 | 杨明明 | Multi-element alloy material and preparation method thereof |
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