CN107058996A - A kind of stainless steel surfaces deactivating process for the treatment of - Google Patents
A kind of stainless steel surfaces deactivating process for the treatment of Download PDFInfo
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- CN107058996A CN107058996A CN201611165621.0A CN201611165621A CN107058996A CN 107058996 A CN107058996 A CN 107058996A CN 201611165621 A CN201611165621 A CN 201611165621A CN 107058996 A CN107058996 A CN 107058996A
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- stainless steel
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- steel substrate
- pickling
- steel surfaces
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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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/42—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention belongs to field of metal surface treatment technology, and in particular to a kind of stainless steel surfaces deactivating process for the treatment of, including surface degreasing, cleaning, first time pickling, second of pickling, sided corona treatment, Passivation Treatment.Step in the present invention（1）The removing of the iron rust, weldering spot, greasy dirt, black and the oxide yellow skin that are produced during can quickly shaping, assemble, welding etc. simultaneously will not produce corrosion to stainless steel substrate inside, ensure the quality of stainless steel substrate；One layer of uniform, the fine and close passivating film of stainless steel surfaces formation handled by passivation technology of the present invention, the reachable+1.1V of current potential of passivating film, close to the current potential of noble metal, improves erosion-resisting stability.
Description
Technical field
The invention belongs to field of metal surface treatment technology, and in particular to a kind of stainless steel surfaces deactivating process for the treatment of.
Background technology
Stainless steel has hardness high, good, the good corrosion resistance of wearability, the characteristic such as excellent outward appearance and long lifespan, extensively
General to be applied to the industries such as building, auto industry, shipbuilding industry, marine device, plant equipment and chemical device, domestic at present is stainless
When steel surface treatment industry is passivated processing, typically zinc coat is carried out frequently with the chromatedsolution of high concentration or middle concentration
Passivation, to improve the corrosion resisting property of coating.But chromate is extremely toxic, it can produce hexavalent chromium polluted to the healthy of environment and people
Cause serious injury.Therefore, the use of chromic acid is restricted, and people find its substitute one after another now, on the one hand to meet ring
Guaranteed request, more importantly, can reach the performance using chromic acid passivation, also, existing passivation for stainless steel handling process
The stainless steel formation of processing passivating film decay resistance is high, film forming speed slow, passivation layer is easy to fall off, it is impossible to meet market
The demand of a little occasions.
The content of the invention
The purpose of the present invention is that there is provided a kind of stainless steel surfaces deactivating process for the treatment of the problem of being directed to existing.
The present invention is achieved by the following technical solutions：A kind of stainless steel surfaces deactivating process for the treatment of, including following step
Suddenly：
（1）Surface degreasing：Stainless steel substrate is put into oil removal treatment liquid, under the conditions of 60 DEG C, 2min is soaked, then using super
Sonication 15s, you can, wherein the oil removal treatment liquid is made up of following component by weight：Sodium carbonate 3.2, isomery 13
Alcohol APEO 0.8, sodium citrate 1.0, lauryl sodium sulfate 0.5, AEO 0.6, sodium gluconate
0.2nd, cyclodextrin 0.8, calcium lignosulfonate 0.1, deionized water 100；
（2）Cleaning：Cleaning 2min is carried out to stainless steel substrate using 98 DEG C of deionized waters, then natural cooling is air-dried；
（3）First time pickling：Stainless steel substrate is put into during the mass concentration that temperature is 40 DEG C is 1.25% sulfamic acid solution
Pickling 4min, then places into pickling 1min in the formic acid solution that mass concentration is 0.1%, then clear using 40 DEG C of deionized waters
Wash, surface is dried naturally；
（4）Second of pickling：By stainless steel substrate respectively in the suberic acid solution that mass concentration is 0.1%, 0.5%, 1.0%, 1.5%
Middle immersion treatment, each soak time is 60s, and finally using 40 DEG C of deionized water cleanings, surface is dried naturally；
（5）Sided corona treatment：Stainless steel substrate after above-mentioned processing is placed on the ring that temperature is 38 DEG C, relative air humidity is 20%
18min is handled in the lower corona field in border；
（6）Passivation Treatment：The stainless steel substrate of above-mentioned processing is preheated into 15min at 55 DEG C, passivating solution 45 DEG C are heated to, so
Stainless steel is put into the stainless steel surfaces passivating solution at 45 DEG C afterwards, 52s is passivated, you can, after the completion of passivation, using 40 DEG C
Deionized water is cleaned, and is carried out in drying chamber, and drying temperature is 120 DEG C, and drying time is 15min；During passivation, stainless steel with it is blunt
The temperature difference of 10 DEG C of formation, can greatly accelerate film forming speed between change liquid, and passivation film potential can be promoted to shuffle.
Further, step（1）Described in cyclodextrin be beta-schardinger dextrin.
Further, step（5）Described in corona field field strength be 320kv/m.
Further, step（6）Described in passivating solution be made up by weight of following component：Molybdate 12-16, phosphorus
Sour 9-12, sulfamic acid 1.4-1.8, dimethylsilane 1.2-1.5, ribonucleoside triphosphote 1.3-1.6, isopropanol 8-10, nanometer thin,tough silk
Mica 0.6-0.8, APES 0.1-0.3, deionized water 90-100.
The present invention has advantages below compared with prior art：Step in the present invention（1）It can quickly shape, assemble, weld
The removing of the iron rust, weldering spot, greasy dirt, black and the oxide yellow skin that are produced during connecing etc. will not simultaneously be produced to stainless steel substrate inside
Raw corrosion, has ensured the quality of stainless steel substrate；One layer of stainless steel surfaces formation being handled by passivation technology of the present invention is uniform,
Fine and close passivating film, the reachable+1.1V of current potential of passivating film, close to the current potential of noble metal, improves erosion-resisting stability, no
Rust property is greatly improved, and significantly improves the corrosion resistance of galvanized steel plain sheet, through salt spray test, the rust time reaches 360 hours
More than, the effect of the existing technique containing chromium passivating is superior in outward appearance and aspect of performance, and the inventive method can be carried greatly
Stainless steel surfaces are ornamental after height passivation, effectively improve the corrosion resistance of stainless steel surfaces, improve the anti-finger line of stainless steel surfaces dirty
The performance of dye.
Embodiment
Embodiment 1
A kind of stainless steel surfaces deactivating process for the treatment of, comprises the following steps：
（1）Surface degreasing：Stainless steel substrate is put into oil removal treatment liquid, under the conditions of 60 DEG C, 2min is soaked, then using super
Sonication 15s, you can, wherein the oil removal treatment liquid is made up of following component by weight：Sodium carbonate 3.2, isomery 13
Alcohol APEO 0.8, sodium citrate 1.0, lauryl sodium sulfate 0.5, AEO 0.6, sodium gluconate
0.2nd, cyclodextrin 0.8, calcium lignosulfonate 0.1, deionized water 100；
（2）Cleaning：Cleaning 2min is carried out to stainless steel substrate using 98 DEG C of deionized waters, then natural cooling is air-dried；
（3）First time pickling：Stainless steel substrate is put into during the mass concentration that temperature is 40 DEG C is 1.25% sulfamic acid solution
Pickling 4min, then places into pickling 1min in the formic acid solution that mass concentration is 0.1%, then clear using 40 DEG C of deionized waters
Wash, surface is dried naturally；
（4）Second of pickling：By stainless steel substrate respectively in the suberic acid solution that mass concentration is 0.1%, 0.5%, 1.0%, 1.5%
Middle immersion treatment, each soak time is 60s, and finally using 40 DEG C of deionized water cleanings, surface is dried naturally；
（5）Sided corona treatment：Stainless steel substrate after above-mentioned processing is placed on the ring that temperature is 38 DEG C, relative air humidity is 20%
18min is handled in the lower corona field in border；
（6）Passivation Treatment：The stainless steel substrate of above-mentioned processing is preheated into 15min at 55 DEG C, passivating solution 45 DEG C are heated to, so
Stainless steel is put into the stainless steel surfaces passivating solution at 45 DEG C afterwards, 52s is passivated, you can, after the completion of passivation, using 40 DEG C
Deionized water is cleaned, and is carried out in drying chamber, and drying temperature is 120 DEG C, and drying time is 15min.
Step（1）Described in cyclodextrin be beta-schardinger dextrin.
Step（5）Described in corona field field strength be 320kv/m.
Step（6）Described in passivating solution be made up by weight of following component：Molybdate 12-16, phosphatase 79-12, ammonia
Base sulfonic acid 1.4-1.8, dimethylsilane 1.2-1.5, ribonucleoside triphosphote 1.3-1.6, isopropanol 8-10, nanometer sericite 0.6-
0.8th, APES 0.1-0.3, deionized water 90-100.
Result of the test：
According to examination criteria：GB/T 10125-1997 and design requirement, by salt spray test method, mean time is a length of：364 is small
When；Wherein, spray chamber's temperature：35 DEG C, sodium chloride solution specification：50g/L, atomisation pressure：0.05Mpa, and common chromic acid passivation
A length of 350 hours of the stainless steel salt spray test mean time of PROCESS FOR TREATMENT, when omitted in the inventive method washed at the second hypo acid when, place
A length of 320 hours of the stainless steel salt spray test mean time of reason, when omitting sided corona treatment in the inventive method, the stainless steel of processing
A length of 312 hours of salt spray test mean time.
Claims (4)
1. a kind of stainless steel surfaces deactivating process for the treatment of, it is characterised in that comprise the following steps：
（1）Surface degreasing：Stainless steel substrate is put into oil removal treatment liquid, under the conditions of 60 DEG C, 2min is soaked, then using super
Sonication 15s, you can, wherein the oil removal treatment liquid is made up of following component by weight：Sodium carbonate 3.2, isomery 13
Alcohol APEO 0.8, sodium citrate 1.0, lauryl sodium sulfate 0.5, AEO 0.6, sodium gluconate
0.2nd, cyclodextrin 0.8, calcium lignosulfonate 0.1, deionized water 100；
（2）Cleaning：Cleaning 2min is carried out to stainless steel substrate using 98 DEG C of deionized waters, then natural cooling is air-dried；
（3）First time pickling：Stainless steel substrate is put into during the mass concentration that temperature is 40 DEG C is 1.25% sulfamic acid solution
Pickling 4min, then places into pickling 1min in the formic acid solution that mass concentration is 0.1%, then clear using 40 DEG C of deionized waters
Wash, surface is dried naturally；
（4）Second of pickling：By stainless steel substrate respectively in the suberic acid solution that mass concentration is 0.1%, 0.5%, 1.0%, 1.5%
Middle immersion treatment, each soak time is 60s, and finally using 40 DEG C of deionized water cleanings, surface is dried naturally；
（5）Sided corona treatment：Stainless steel substrate after above-mentioned processing is placed on the ring that temperature is 38 DEG C, relative air humidity is 20%
18min is handled in the lower corona field in border；
（6）Passivation Treatment：The stainless steel substrate of above-mentioned processing is preheated into 15min at 55 DEG C, passivating solution 45 DEG C are heated to, so
Stainless steel is put into the stainless steel surfaces passivating solution at 45 DEG C afterwards, 52s is passivated, you can, after the completion of passivation, using 40 DEG C
Deionized water is cleaned, and is carried out in drying chamber, and drying temperature is 120 DEG C, and drying time is 15min.
2. a kind of stainless steel surfaces deactivating process for the treatment of as claimed in claim 1, it is characterised in that step（1）Described in ring paste
Essence is beta-schardinger dextrin.
3. a kind of stainless steel surfaces deactivating process for the treatment of as claimed in claim 1, it is characterised in that step（5）Described in electricity
Field strength of having stage fright is 320kv/m.
4. a kind of stainless steel surfaces deactivating process for the treatment of as claimed in claim 1, it is characterised in that step（6）Described in it is blunt
Change liquid to be made up of following component by weight：Molybdate 12-16, phosphatase 79-12, sulfamic acid 1.4-1.8, dimethylsilane
1.2-1.5, ribonucleoside triphosphote 1.3-1.6, isopropanol 8-10, nanometer sericite 0.6-0.8, APES 0.1-
0.3rd, deionized water 90-100.
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| CN201611165621.0A CN107058996A (en) | 2016-12-16 | 2016-12-16 | A kind of stainless steel surfaces deactivating process for the treatment of |
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| CN201611165621.0A CN107058996A (en) | 2016-12-16 | 2016-12-16 | A kind of stainless steel surfaces deactivating process for the treatment of |
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| CN201611165621.0A Pending CN107058996A (en) | 2016-12-16 | 2016-12-16 | A kind of stainless steel surfaces deactivating process for the treatment of |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871427A (en) * | 2017-12-27 | 2018-04-03 | 清华大学 | High-resolution oil stream line display device and display methods |
| CN107881494A (en) * | 2017-11-22 | 2018-04-06 | 五河县绍峰电器有限公司 | A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works |
| CN107937895A (en) * | 2017-12-11 | 2018-04-20 | 当涂县宏宇金属炉料有限责任公司 | A kind of stainless steel processing method with good abrasion resistance |
| CN108385098A (en) * | 2018-05-09 | 2018-08-10 | 广州斯特福材料科技有限公司 | Stainless steel environmentally friendly passivating solution and its application method |
| CN109402644A (en) * | 2018-12-03 | 2019-03-01 | 巢湖鹏远金属焊管有限公司 | A kind of degreased cleaning agent for metallic conduit |
| CN110195223A (en) * | 2019-06-27 | 2019-09-03 | 曲靖中铭科技有限公司 | A kind of anticorrosive treatment process of 17-4PH material MIM product |
| CN110578149A (en) * | 2018-06-10 | 2019-12-17 | 江苏君睿智能制造有限公司 | Pickling unit before rolling of cold-rolled strip steel |
| US11414551B2 (en) | 2019-12-17 | 2022-08-16 | King Fahd University Of Petroleum And Minerals | Graphene-cyclodextrin complex and its use in corrosion prevention |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881494A (en) * | 2017-11-22 | 2018-04-06 | 五河县绍峰电器有限公司 | A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works |
| CN107937895A (en) * | 2017-12-11 | 2018-04-20 | 当涂县宏宇金属炉料有限责任公司 | A kind of stainless steel processing method with good abrasion resistance |
| CN107871427A (en) * | 2017-12-27 | 2018-04-03 | 清华大学 | High-resolution oil stream line display device and display methods |
| CN108385098A (en) * | 2018-05-09 | 2018-08-10 | 广州斯特福材料科技有限公司 | Stainless steel environmentally friendly passivating solution and its application method |
| CN110578149A (en) * | 2018-06-10 | 2019-12-17 | 江苏君睿智能制造有限公司 | Pickling unit before rolling of cold-rolled strip steel |
| CN109402644A (en) * | 2018-12-03 | 2019-03-01 | 巢湖鹏远金属焊管有限公司 | A kind of degreased cleaning agent for metallic conduit |
| CN110195223A (en) * | 2019-06-27 | 2019-09-03 | 曲靖中铭科技有限公司 | A kind of anticorrosive treatment process of 17-4PH material MIM product |
| US11414551B2 (en) | 2019-12-17 | 2022-08-16 | King Fahd University Of Petroleum And Minerals | Graphene-cyclodextrin complex and its use in corrosion prevention |
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