CN108930039A - A kind of rust-proofing method suitable for chill coil of strip - Google Patents
A kind of rust-proofing method suitable for chill coil of strip Download PDFInfo
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- CN108930039A CN108930039A CN201810595229.2A CN201810595229A CN108930039A CN 108930039 A CN108930039 A CN 108930039A CN 201810595229 A CN201810595229 A CN 201810595229A CN 108930039 A CN108930039 A CN 108930039A
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- strip
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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
- 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
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/02—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
-
- 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
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
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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)
- General Chemical & Material Sciences (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A kind of rust-proofing method suitable for chill coil of strip：After to coil of strip uncoiling, pre-process chill steel band in pretreatment fluid in a manner of submerging entirely；Using deionized water rinsed clean；Drying；Dual coating antirust oil is carried out to steel plate using roll coating model；It is stored after batching spare.The present invention is a kind of new rust-proofing method, can solve chill volume in a short time easy-to-rust the problem of, i.e., be 20 ~ 30 DEG C in temperature, in the environment of relative humidity is 40 ~ 60%, coil of strip surface corrosion area ratio is no more than 2% after storage 120 days；It is 40 ~ 50 DEG C in temperature, corrodes area ratio in the environment of relative humidity is 90 ~ 100%, after 120 days and be no more than 5%, and under the premise of guaranteeing protection effect, and carry out pickling and oil removing simultaneously in pretreatment fluid, reduce process procedure；Used pretreating agent and anti-corrosive grease are the common chemical substance of cheap environmental protection, suitable for large-scale promotion.
Description
Technical field
The present invention relates to a kind of rust-proofing methods of coil of strip, definitely belong to the rust-proofing method suitable for chill coil of strip.
Background technique
Chill volume typically refers to be only completed cold rolling, does not carry out any subsequent handling (including degreasing, annealing, painting also
Plating, finishing, smooth, slitting etc.) processing, the semi-finished product cold-rolled steel coils in original state.In general, it is not in rhythm of production
In the case where particularly compact, after chill volume will store a period of time in warehouse as raw material, it can just enter next procedure.Herein
Period is influenced by certain factors, and chill volume may generate corrosion, brings many troubles to subsequent handling.In particular, if cold
Hard volume will be sent to client by long-distance transport, and corrosion situation is frequently more serious.Therefore, chill volume must have longer resistance to
The period is lost with the abundant needs for adapting to storage and logistics.In theory, in conventional environment, (temperature is 20 ~ 30 DEG C, relatively
Humidity is 40 ~ 60%) under, the anti-corrosion period of chill volume is preferably equivalent at least 30 days.
To prevent chill volume from corroding, there are two types of common ways：One is the ROLLING OIL progress using surface of steel plate remaining
Protection.Cold rolling must just can be carried out under lubrication conditions, coat some ROLLING OILs in roller surface when rolling.Rolling is completed
Afterwards, it has a small amount of ROLLING OIL and remains in surface of steel plate, interim protective effect can be played.Although this mode is simple,
Its critical defect is：The major function of ROLLING OIL be lubrication, anti-rust action on the contrary secondly, and remaining ROLLING OIL very
It is few, cause the anti-corrosion period of steel plate extremely limited, most multipotency is adhered to 3 ~ 5 days under normal circumstances.If coil of strip is exposed to for a long time
In air, develop as one pleases, surface will accelerating corrosion so that entire volume is scrapped not only seriously affect product quality, it is even more a kind of huge
Big cost waste.
After the completion of another kind is rolling, surface of steel plate passes through roll coating model and is coated with the common antirust oil of a thin layer.This is one
Determine the anti-corrosion period that coil of strip can be improved in degree, can generally extend to 15 days or so.But, there is also two problems：One
It is if process (such as hot rolling reeling, cold-rolling pickling) is dealt with improperly before rolling, there are surface defect or rolling oil qualities for roll
It is bad, then steel plate, during cold rolling, surface can still generate naked eyes and be difficult to the small rust spot differentiated or residual on a small quantity
Objectionable impurities.Even if being hereafter coated with thin-layer rust-preventative oil, these rust spots or impurity can only be covered.Over time, steel
Plate can still corrode within one period.Second is that rolling after surface of steel plate remaining ROLLING OIL and subsequent coated antirust oil not
One is surely compatible with formation stabilization, homogeneous dispersion each other, thus the protection effect of antirust oil will beat certain discount.
Itself with regard to antirust oil, a great variety.Since chill volume is only the semi-finished product coil of strip of original state, substantially
A kind of only raw material.Therefore, from the point of view of control production cost, used antirust oil must sexual valence with higher
Than that is, under the premise of can guarantee rustless property, formula will be easy to obtain as far as possible, cannot be excessively complicated and high-end.Oiling mode
Preferably simple, efficient roller coating, rather than advanced Electrostatic greasing.
Through retrieving：
The Chinese patent literature of Publication No. CN107937918A, discloses a kind of antirust agent and preparation method thereof and it rolls acid
The antirust application of middle database is chill coil of strip.The antirust agent is made of main corrosion inhibiter, corrosion inhibitor and deionized water.Wherein, main
Corrosion inhibiter ingredient is phytic acid, tannic acid, hexamethylenetetramine and triethanolamine.The chill coil of strip that acid rolls middle database is impregnated in this
In antirust agent, 3 ~ 10 min are handled, then takes out in the sour milling train working environment for being placed in simulation, observes after antirust agent is handled
Chill coil of strip have preferable corrosion mitigating effect.But, by the antirust agent treated chill coil of strip, be in temperature (50 ±
2) it DEG C, in the environment of relative humidity >=95% ± 2%, pH=6 (hydrochloric acid mist), begins to corrode after 10 min, it is clear that nothing
Method meets the needs of chill volume long-time antirust.
The Chinese patent literature of Publication No. CN107904580A discloses a kind of rust-inhibiting additive and its to continuous annealing
The antirust purposes of cold rolling coil afterwards.The antirust agent is made of phytic acid, tannic acid, octadecylamine, sodium molybdate, sodium tungstate.It will continuously move back
Cold rolling coil after fire is impregnated in the rinsing liquid for being added and having the rust-inhibiting additive and handles, with the cold rolling coil rinsed without the rinsing liquid
It compares, treated that cold rolling coil delays starts the time of corrosion and reduce corrosion degree for rinsing.But, which only fits
For the cold-rolled steel coils after annealing, and at room temperature, begin to corrode after 10 min, it is clear that it is long to be unable to satisfy chill volume
The needs of time antirust.
The Chinese patent literature of Publication No. CN102899669A discloses cold-rolled steel sheet antirust between a kind of cold rolling process
Agent.The antirust agent is by monoethanolamine benzoate, triethanolamine, sustained release agent, pH adjuster, octadecylamine, glycerol, sodium metasilicate and water
Composition.Experiment shows that in temperature be 50 DEG C, and humidity is used for cold-rolled steel sheet antirust, 72 h under the conditions of the high temperature and humidity greater than 95%
Surface of steel plate does not corrode appearance afterwards, and has many advantages, such as safety and environmental protection, volatile and easy cleaning.But, the antirust agent
After being only applicable to bell-type annealing-smooth preceding process between cold-rolled steel sheet, and the anti-corrosion period only has 72 h, it is clear that is unable to satisfy cold
The needs of hard volume long-time antirust.
The Chinese patent literature of Publication No. CN103305856A, antirust cold-rolled steel sheet cleans before disclosing a kind of annealing
Agent.The cleaning agent is gathered by sodium hydroxide, sodium carbonate, tertiary sodium phosphate, sodium benzoate, disodium ethylene diamine tetraacetate, n-tetradecane base
Ethylene oxide ether composition.In use, antirust cold-rolled steel sheet cleaning agent before the annealing is added to according to 3 ~ 5% weight percent
Cleaning solution is made in water, the cold-rolled steel sheet in 70 ~ 85 DEG C of cleaning solution before cleaning annealing.The cleaning agent is without strong thorn
Swash property smell, can directly add before cold-strip steel recrystallization annealing in ejected wash water section, easy-to-use, cleaning effect is good, clearly
99% or more efficiency is washed, and there is excellent rust-preventing characteristic, is suitable for the steel grades such as cold-rolled steel sheet, alloying galvanizing plate and heat zinc coating plate
Cleaning, make steel plate in intermediate process rust-proof life up to 15 days or more.But, 15 days or so anti-corrosion periods were obviously unable to satisfy cold
The needs of hard volume long-time antirust.
The Chinese patent literature of Publication No. CN103290421A discloses tin plating pre-treatment cleaning steel plate after a kind of annealing
Agent.The cleaning agent is made of sodium hydroxide, tertiary sodium phosphate, n-tetradecane base polyoxyethylene ether, enuatrol, triethanolamine.It uses
When, pre-treatment steel plate cleaning agent tin plating after the annealing is added in water according to 3 ~ 5% weight percent to that cleaning is made is molten
Liquid, the tin plating preceding cold-rolled steel sheet after cleaning annealing in 70 ~ 85 DEG C of cleaning solution.The cleaning agent is without intense irritation gas
Taste can be added directly in tin plating preceding ejected wash water section, and easy-to-use, cleaning effect is good, 99% or more cleaning efficiency, after cleaning
Steel plate have excellent rust-preventing characteristic, surface of steel plate residue is less than 6 mg/m2.The cleaning agent also has preferable buffered pH value,
In certain cleaning temperature and concentration range, the cleaning performance that has still had.But, which is only applicable to tin plating after annealing
Preceding cold-rolled steel sheet, and be mainly used for degreasing, antirust is not main purpose.
The Chinese patent literature of Publication No. CN102851107A discloses a kind of straight carbon steel cold-reduced sheet antirust oil combination
Object.The antirust oil is by petrolic magnesium sulfonate, zinc naphthenate, N- oleoyl amino acid octadecylamine, nonylphenol polyoxyethylene ether, natural dynamic plant
Object grease, 2,6-di-tert-butyl p-cresol, 2,6- di-tert-butylphenol, mineral oil composition, and mineral oil is moved at 45 DEG C and is glued
Degree is 33 ~ 35 m2/s.Experiments verify that the damp heat test of the anticorrosive oil composition can be up to 60 days, lamination test can be grown
Up to 90 days, good antirust property.But, which has two：First is that being only applicable to the coil of strip in cold rolling finishing procedure；
Second is that antirust oil formula is excessively complicated, and uses Electrostatic greasing mode, it is a kind of dedicated electrostatic painting anticorrosive oil.For chill
For volume, the use cost of the antirust oil is too high, very uneconomical, it is difficult to promote.
The Chinese patent literature of Publication No. CN103980993A discloses a kind of straight carbon steel cold-reduced sheet antirust oil.This is anti-
Rust oil by 46# machinery oil, isopropyl myristate, N- oleoyl amino acid octadecylamine salt, lanolin, fatty alcohol polyoxyethylene ether,
17 alkenyl imidazoline of 2- aminoethyl, stearic acid, triethanolamine oleate, calcium mahogany sulfonate, natural animal-plant grease, coalescing agent
Composition.The antirust oil not only has good greasy property, also has good rustless property.The case where temperature is 50 DEG C
Lower carry out damp heat test, non-corroding phenomenon occurs after 700 h.But, the anti-corrosion period of 700 h, it is long to be obviously unable to satisfy chill volume
The needs of time antirust.In addition, the antirust oil formula is excessively complicated, for chill volume, the use cost of the antirust oil is too
Height, it is very uneconomical, it is difficult to promote.
In conclusion the prior art cannot preferably solve the problems, such as the corrosion of chill volume.Therefore, it is necessary to develop new
The rust-proofing method suitable for chill volume.
Summary of the invention
It is of the existing technology the invention reside in overcoming the problems, such as：I.e. the chill volume appearance corrosion time is short, is usually no more than one
A month, and the rush-resisting material economy being typically coated with is not good enough.It is 20 ~ 30 DEG C that one kind, which is intended to provide, in temperature, relative humidity 40
In the environment of ~ 60%, coil of strip surface corrosion area ratio is no more than 2% after storage 120 days；It is 40 ~ 50 DEG C in temperature, it is relatively wet
Degree is no more than 5% to corrode area ratio in the environment of 90 ~ 100%, after 120 days, and protective materials is cheap, environmental protection be suitable for it is cold
The rust-proofing method of hard steel volume.
Realize the measure of above-mentioned purpose：
A kind of rust-proofing method suitable for chill coil of strip, step：
1) after to coil of strip uncoiling, pre-process chill steel band in pretreatment fluid in a manner of submerging entirely, pretreatment fluid temperature
At 30 ~ 40 DEG C, pretreatment time is controlled in 3 ~ 5 min for degree control；
2) deionized water rinsed clean is used；
3) it is dried, by coil of strip skin drying to water stain-free at being 100 DEG C in temperature；
4) dual coating antirust oil is carried out to steel plate using roll coating model, the thickness control of oil film is in 4 ~ 8 g/m2；
5) it is stored after batching spare.
It is：The component and weight percent content of the pretreatment fluid be：Citric acid：10 ~ 20%, ethylenediamine tetrem
Acid：3 ~ 10%, cetyl trimethylammonium bromide：2 ~ 8%, triton x-100：2 ~ 8%, remaining is water.
It is：The component and weight percent content of the antirust oil be：Vaseline：69 ~ 80%, hexadecylene base fourth two
Acid：3 ~ 5%, N- coconut oil base-Beta-alanine：3 ~ 5%, Tween-20：4 ~ 6%, n-butanol：10~15%.
Preferably：The pretreatment fluid temperature is at 33 ~ 38 DEG C.
Preferably：The thickness of the antirust oil reservoir is in 4.8 ~ 7.6 g/m2。
The effect and mechanism of master operation of the present invention：
Why the present invention selects by citric acid, ethylenediamine tetra-acetic acid (EDTA), cetyl trimethylammonium bromide (CTAB), song
The pretreatment fluid for drawing logical X-100 (TritonX-100) and water composition, is itself and pickling common HCl, H2SO4、H3PO4
It compares, citric acid belongs to organic acid, and it is acid less strong, as mordant, just small rust spot is purged, without to steel
Plate itself produces bigger effect.EDTA is then a kind of common metal chelating agent, chela can occur with some harmful metal ions
Cooperation is used, and the metallic compound dirt for being present in surface of steel plate is removed.Compared with common alkaline defatting agent, CTAB and TritonX-
100, as neutral cationic liquid surfactant and nonionic surfactant, will not corrode steel plate.They can also have
Effect dissolution greasy dirt, has the function of very strong emulsification, solubilising etc., plays preferable degreasing.The two is used in compounding together, is gone
Dirty effect is more preferable.In addition, the substances such as citric acid, EDTA, CTAB, TritonX-100 in pretreating agent belong to common chemical industry
Product, non-toxic inexpensive, good water solubility easily remove, be suitble to high-volume use, and make pickling and oil removing in pretreatment fluid simultaneously
It carries out, reduces process procedure.
In the present invention, why the mode of embathing is used to clean steel plate, be to enable steel plate to be all sufficiently submerged in solution
In, derusting clean effect in this way is more preferable, and surface of steel plate just more cleans.When embathing, temperature and time is controlled.Temperature it is too low or when
Between it is too short, cleaning effect be deteriorated；Temperature is too high or the time is too long, then can have an adverse effect to surface of steel plate.
Why the present invention rinses steel plate, is because steel plate is after embathing, surface may remain a small amount of pre-
Inorganic agent, it is necessary to be removed by subsequent rinse, make its cleaning without dirt.It is because relative to common using deionized water
Tap water, deionized water purity is higher, and impurities are less, be more advantageous to guarantee surface of steel plate cleannes.Why float
It to be dried after washing, be that deionized water is mixed into subsequent antirust oil in order to prevent, influence rust-proof effect.
Why the present invention uses by vaseline, hexadecylene base succinic acid, N- coconut oil base-Beta-alanine, Tween-20
(Tween-20), the antirust oil of n-butanol composition, wherein vaseline is as basic grease, be due to：Vaseline has good
Chemical stability and inoxidizability；Hexadecylene base succinic acid and N- coconut oil base-Beta-alanine are slow as excellent oil-soluble
Agent is lost, stronger with the compatibility of Fe material, the former is polymeric fatty carboxylic acid, and the latter belongs to acyl group and replaces sarcosine, both
Has long alkyl chain, hydrophobicity is very strong, can be adsorbed on surface of steel plate with slewing, keeps adsorption layer fine and close, stable, plays protection and make
With the two is more preferable with the use of corrosion mitigating effect；Tween-20 is a kind of nonionic surface active agent, as emulsifier and solubilising
Agent can make entire anti-corrosive grease form uniform and stable dispersion, corrosion inhibiter is enable preferably to be dissolved in basic grease,
Enhance antirust function；N-butanol reduces grease viscosity as diluent, guarantees that oil layer can have relatively thin thickness in order to avoid influencing
Subsequent handling.In addition, the ingredient of antirust oil is all readily available in the present invention, thus the use cost of entire anti-corrosive grease compared with
It is low, it is suitble to high-volume to use, and belong to non-toxic or low-toxic product, is soluble in ordinary organic solvents, it is easy to clean, thus have
Conducive to environmental protection.In addition, the present invention will control oil film thickness when coating antirust oil, and it is because oil reservoir is blocked up, production cost rises,
And increase the processing difficulty of subsequent handling.Oil reservoir is too thin, and rust-proof effect can weaken again.Why use roll coating model, be because
Relative to advanced Electrostatic greasing, roller coating is simple, it is efficient, at low cost, fully meet production requirement.
Compared with prior art, the present invention for a kind of new rust-proofing method, can solve chill volume, easy-to-rust is asked in a short time
Topic is 20 ~ 30 DEG C in temperature, in the environment of relative humidity is 40 ~ 60%, coil of strip surface corrosion area ratio after storage 120 days
Rate is no more than 2%；It is 40 ~ 50 DEG C in temperature, corrodes area ratio in the environment of relative humidity is 90 ~ 100%, after 120 days and do not surpass
5% is crossed, achievees the purpose that significantly to extend its anti-corrosion period.And under the premise of guaranteeing protection effect, used pretreating agent
It is the common chemical substance of cheap environmental protection with anti-corrosive grease, it is suitable for large-scale promotion.
Specific embodiment
The present invention is described in detail below：
Table 1 is pretreatment (pickling, oil removing) technological parameter list of various embodiments of the present invention and comparative example；
Table 2 is the oiling technological parameter list of various embodiments of the present invention and comparative example；
Table 3 is the antirust situation list of the chill volume of various embodiments of the present invention and comparative example.
Various embodiments of the present invention follow the steps below production：
1) after to coil of strip uncoiling, pre-process chill steel band in pretreatment fluid in a manner of submerging entirely, pretreatment fluid temperature
At 30 ~ 40 DEG C, pretreatment time is controlled in 3 ~ 5 min for degree control；
2) deionized water rinsed clean is used；
3) it is dried, by coil of strip skin drying to water stain-free at being 100 DEG C in temperature；
4) dual coating antirust oil is carried out to steel plate using roll coating model, the thickness control of oil film is in 4 ~ 8 g/m2；
5) it is stored after batching spare.
Pretreatment (pickling, oil removing) technological parameter of 1 various embodiments of the present invention of table and comparative example
The oiling technological parameter of 2 various embodiments of the present invention of table and comparative example
The rustless property of chill volume in 3 various embodiments of the present invention of table and comparative example
As can be seen from Table 3, it is handled according to rust-proofing method proposed by the present invention, (temperature is chill volume in normal circumstances
20 ~ 30 DEG C, relative humidity is 40 ~ 60%), coil of strip surface corrosion area ratio is no more than 2% after 120 days；In hot and humid environment
Under (temperature be 40 ~ 50 DEG C, relative humidity be 90 ~ 100%), after 120 days corrode area ratio be no more than 5%.Chill volume it is anti-corrosion
Period significantly extends, and fully meets the needs of its long-time antirust.
Present embodiment is only the best example, not to the restricted implementation of technical solution of the present invention.
Claims (5)
1. a kind of rust-proofing method suitable for chill coil of strip, step：
1) after to coil of strip uncoiling, pre-process chill steel band in pretreatment fluid in a manner of submerging entirely, pretreatment fluid temperature
At 30 ~ 40 DEG C, pretreatment time is controlled in 3 ~ 5 min for degree control；
2) deionized water rinsed clean is used；
3) it is dried, by coil of strip skin drying to water stain-free at being 100 DEG C in temperature；
4) dual coating antirust oil is carried out to steel plate using roll coating model, the thickness control of oil film is in 4 ~ 8 g/m2；
5) it is stored after batching spare.
2. a kind of rust-proofing method suitable for chill coil of strip as described in claim 1, it is characterised in that：The pretreatment fluid
Component and weight percent content are：Citric acid：10 ~ 20%, ethylenediamine tetra-acetic acid：3 ~ 10%, cetyl trimethylammonium bromide：
2 ~ 8%, triton x-100：2 ~ 8%, remaining is water.
3. a kind of rust-proofing method suitable for chill coil of strip as described in claim 1, it is characterised in that：The group of the antirust oil
Divide and weight percent content is：Vaseline：69 ~ 80%, hexadecylene base succinic acid：3 ~ 5%, N- coconut oil base-Beta-alanine：
3 ~ 5%, Tween-20：4 ~ 6%, n-butanol：10~15%.
4. a kind of rust-proofing method suitable for chill coil of strip as described in claim 1, it is characterised in that：The pretreatment fluid temperature
Degree is at 33 ~ 38 DEG C.
5. a kind of rust-proofing method suitable for chill coil of strip as described in claim 1, it is characterised in that：The antirust oil reservoir
Thickness is in 4.8 ~ 7.6g/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810595229.2A CN108930039A (en) | 2018-06-11 | 2018-06-11 | A kind of rust-proofing method suitable for chill coil of strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810595229.2A CN108930039A (en) | 2018-06-11 | 2018-06-11 | A kind of rust-proofing method suitable for chill coil of strip |
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|---|---|
| CN108930039A true CN108930039A (en) | 2018-12-04 |
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|---|---|---|---|
| CN201810595229.2A Pending CN108930039A (en) | 2018-06-11 | 2018-06-11 | A kind of rust-proofing method suitable for chill coil of strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529090A (en) * | 2021-06-29 | 2021-10-22 | 鞍钢股份有限公司 | Anti-corrosion treatment agent and treatment method for hot-rolled steel plate |
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| CN103966593A (en) * | 2014-05-12 | 2014-08-06 | 无锡海特新材料研究院有限公司 | Antiseptic and anticorrosive treatment method for metal surface |
| CN104651860A (en) * | 2013-11-25 | 2015-05-27 | 刘现梅 | Pickling solution for removing rust and oil on outer wall of hydraulic oil cylinder |
| CN107779882A (en) * | 2017-11-09 | 2018-03-09 | 合肥华清金属表面处理有限责任公司 | A kind of stainless steel oxidation skin is without three acid cleaners and its cleaning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004074319A (en) * | 2002-08-13 | 2004-03-11 | Hitachi Tool Engineering Ltd | Hard film-coated tool excellent in lubricity |
| CN104651860A (en) * | 2013-11-25 | 2015-05-27 | 刘现梅 | Pickling solution for removing rust and oil on outer wall of hydraulic oil cylinder |
| CN103966593A (en) * | 2014-05-12 | 2014-08-06 | 无锡海特新材料研究院有限公司 | Antiseptic and anticorrosive treatment method for metal surface |
| CN107779882A (en) * | 2017-11-09 | 2018-03-09 | 合肥华清金属表面处理有限责任公司 | A kind of stainless steel oxidation skin is without three acid cleaners and its cleaning method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529090A (en) * | 2021-06-29 | 2021-10-22 | 鞍钢股份有限公司 | Anti-corrosion treatment agent and treatment method for hot-rolled steel plate |
| CN113529090B (en) * | 2021-06-29 | 2022-08-16 | 鞍钢股份有限公司 | Anti-corrosion treatment agent and treatment method for hot-rolled steel plate |
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Application publication date: 20181204 |