ES2292857T3 - Un metodo economico para restaurar el potencial de oxidacion de una solucion de decapado. - Google Patents

Un metodo economico para restaurar el potencial de oxidacion de una solucion de decapado. Download PDF

Info

Publication number: ES2292857T3
Authority: ES; Spain
Prior art keywords: iii; concentration; gaseous; oxygen; treatment solution
Prior art date: 2002-08-30
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.): Expired - Lifetime

Application number

ES02807707T

Other languages

English (en)

Spanish (es)

Inventor

Giorgio Cortellaro

Paolo Giordani

Ioannis Demertzis

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Henkel AG and Co KGaA

Acciai Speciali Terni SpA

Original Assignee

Henkel AG and Co KGaA

ThyssenKrupp Acciai Speciali Terni SpA

Priority date (The priority date 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 date listed.)

2002-08-30

Filing date

2002-08-30

Publication date

2008-03-16

2002-08-30 Application filed by Henkel AG and Co KGaA, ThyssenKrupp Acciai Speciali Terni SpA filed Critical Henkel AG and Co KGaA

2008-03-16 Application granted granted Critical

2008-03-16 Publication of ES2292857T3 publication Critical patent/ES2292857T3/es

2022-08-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 51
230000003647 oxidation Effects 0.000 title claims description 9
238000007254 oxidation reaction Methods 0.000 title claims description 9
238000005554 pickling Methods 0.000 claims abstract description 74
VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims abstract description 56
239000000243 solution Substances 0.000 claims abstract description 54
239000007800 oxidant agent Substances 0.000 claims abstract description 29
-1 Fe(III) ions Chemical class 0.000 claims abstract description 18
239000007789 gas Substances 0.000 claims abstract description 12
239000000203 mixture Substances 0.000 claims abstract description 8
229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
239000010935 stainless steel Substances 0.000 claims abstract description 7
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 6
229910001882 dioxygen Inorganic materials 0.000 claims abstract description 5
238000002347 injection Methods 0.000 claims abstract description 4
239000007924 injection Substances 0.000 claims abstract description 4
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 44
239000001301 oxygen Substances 0.000 claims description 44
229910052760 oxygen Inorganic materials 0.000 claims description 44
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 25
239000003054 catalyst Substances 0.000 claims description 19
239000002253 acid Substances 0.000 claims description 17
238000002161 passivation Methods 0.000 claims description 14
239000008246 gaseous mixture Substances 0.000 claims description 13
150000002500 ions Chemical class 0.000 claims description 12
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
150000007513 acids Chemical class 0.000 claims description 8
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
150000003839 salts Chemical class 0.000 claims description 6
239000007864 aqueous solution Substances 0.000 claims description 5
238000004458 analytical method Methods 0.000 claims description 4
150000001875 compounds Chemical class 0.000 claims description 3
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
230000002378 acidificating effect Effects 0.000 claims description 2
239000000460 chlorine Substances 0.000 claims description 2
229910052801 chlorine Inorganic materials 0.000 claims description 2
239000007787 solid Substances 0.000 claims description 2
230000003213 activating effect Effects 0.000 claims 1
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 48
229910000831 Steel Inorganic materials 0.000 description 34
239000010959 steel Substances 0.000 description 34
229910052742 iron Inorganic materials 0.000 description 15
239000010410 layer Substances 0.000 description 11
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
229910017604 nitric acid Inorganic materials 0.000 description 6
229910045601 alloy Inorganic materials 0.000 description 5
239000000956 alloy Substances 0.000 description 5
238000005260 corrosion Methods 0.000 description 5
230000007797 corrosion Effects 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
229910052804 chromium Inorganic materials 0.000 description 4
239000011651 chromium Substances 0.000 description 4
239000010949 copper Substances 0.000 description 4
239000000463 material Substances 0.000 description 4
229910052759 nickel Inorganic materials 0.000 description 4
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
229910021607 Silver chloride Inorganic materials 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
229910000734 martensite Inorganic materials 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 3
239000003381 stabilizer Substances 0.000 description 3
239000000126 substance Substances 0.000 description 3
239000002344 surface layer Substances 0.000 description 3
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
239000000654 additive Substances 0.000 description 2
238000005275 alloying Methods 0.000 description 2
230000005587 bubbling Effects 0.000 description 2
230000003197 catalytic effect Effects 0.000 description 2
229910000423 chromium oxide Inorganic materials 0.000 description 2
239000000470 constituent Substances 0.000 description 2
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
229910052737 gold Inorganic materials 0.000 description 2
239000010931 gold Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
229910021645 metal ion Inorganic materials 0.000 description 2
229910052758 niobium Inorganic materials 0.000 description 2
239000010955 niobium Substances 0.000 description 2
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
229910052763 palladium Inorganic materials 0.000 description 2
150000002978 peroxides Chemical class 0.000 description 2
CPJSUEIXXCENMM-UHFFFAOYSA-N phenacetin Chemical compound CCOC1=CC=C(NC(C)=O)C=C1 CPJSUEIXXCENMM-UHFFFAOYSA-N 0.000 description 2
229910052697 platinum Inorganic materials 0.000 description 2
229910052703 rhodium Inorganic materials 0.000 description 2
239000010948 rhodium Substances 0.000 description 2
MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
229910052707 ruthenium Inorganic materials 0.000 description 2
YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
229910052709 silver Inorganic materials 0.000 description 2
239000004332 silver Substances 0.000 description 2
239000010936 titanium Substances 0.000 description 2
229910052719 titanium Inorganic materials 0.000 description 2
239000005725 8-Hydroxyquinoline Substances 0.000 description 1
229910000975 Carbon steel Inorganic materials 0.000 description 1
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
229910002651 NO3 Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical class [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
241001122767 Theaceae Species 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
238000013019 agitation Methods 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
238000011088 calibration curve Methods 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
230000000536 complexating effect Effects 0.000 description 1
229910001431 copper ion Inorganic materials 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
TVQLLNFANZSCGY-UHFFFAOYSA-N disodium;dioxido(oxo)tin Chemical compound [Na+].[Na+].[O-][Sn]([O-])=O TVQLLNFANZSCGY-UHFFFAOYSA-N 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000002638 heterogeneous catalyst Substances 0.000 description 1
238000007172 homogeneous catalysis Methods 0.000 description 1
238000005098 hot rolling Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
235000013980 iron oxide Nutrition 0.000 description 1
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
229910000510 noble metal Inorganic materials 0.000 description 1
239000002736 nonionic surfactant Substances 0.000 description 1
150000001451 organic peroxides Chemical class 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
229960003540 oxyquinoline Drugs 0.000 description 1
FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
150000004965 peroxy acids Chemical class 0.000 description 1
JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
229960003893 phenacetin Drugs 0.000 description 1
SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical class OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
229960004889 salicylic acid Drugs 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
229940079864 sodium stannate Drugs 0.000 description 1
230000003068 static effect Effects 0.000 description 1
238000003756 stirring Methods 0.000 description 1
150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
238000012360 testing method Methods 0.000 description 1
238000004448 titration Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Classifications

- 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
- C23C22/34—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 fluorides or complex fluorides
- 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
- C23G1/086—Iron or steel solutions containing HF
- 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
- C23G1/36—Regeneration of waste pickling liquors

Landscapes

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)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Treatment Of Water By Oxidation Or Reduction (AREA)
Water Treatment By Electricity Or Magnetism (AREA)
Physical Or Chemical Processes And Apparatus (AREA)

ES02807707T 2002-08-30 2002-08-30 Un metodo economico para restaurar el potencial de oxidacion de una solucion de decapado. Expired - Lifetime ES2292857T3 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/EP2002/009730 WO2004020700A1 (en)	2002-08-30	2002-08-30	An economic method for restoring the oxidation potential of a pickling solution

Publications (1)

Publication Number	Publication Date
ES2292857T3 true ES2292857T3 (es)	2008-03-16

Family

ID=31970239

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES02807707T Expired - Lifetime ES2292857T3 (es)	2002-08-30	2002-08-30	Un metodo economico para restaurar el potencial de oxidacion de una solucion de decapado.

Country Status (6)

Country	Link
EP (1)	EP1552038B1 (de)
AT (1)	ATE368758T1 (de)
AU (1)	AU2002333772A1 (de)
DE (1)	DE60221584T2 (de)
ES (1)	ES2292857T3 (de)
WO (1)	WO2004020700A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1394958B1 (it) *	2009-02-17	2012-07-27	Condoroil Impianti Srl	Processo di ossidazione catalitica del ferro bivalente a ferro trivalente nei bagni di decapaggio per acciai inossidabili a base di acido cloridrico e/o sue miscele con altri acidi organici e inorganici.
EP3771749A1 (de) *	2019-07-29	2021-02-03	Ewald Dörken Ag	Verfahren zur passivierung metallischer substrate
JP7176137B2 (ja) *	2020-01-09	2022-11-21	ＰｒｉｍｅｔａｌｓＴｅｃｈｎｏｌｏｇｉｅｓＪａｐａｎ株式会社	鋼板の酸洗方法及び酸洗装置
IT202000005848A1 (it)	2020-03-19	2021-09-19	Tenova Spa	Processo per decapare e/o passivare un acciaio inossidabile.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1243406B (it) *	1990-12-03	1994-06-10	Vittorio Degara	Sistema di ossidazione degli ioni ferro nelle soluzioni prive di acidonitrico per il trattamento superficiale di decapaggio o di passivazione di prodotti metallici
EP0795628B1 (de) *	1996-03-14	2001-05-23	CONDOROIL IMPIANTI s.r.l.	Beizen von rostfreien Stahlen mit kontinuierliche katalytische Oxidation der Beizlösung
DE19755350A1 (de) *	1997-12-12	1999-06-17	Henkel Kgaa	Verfahren zum Beizen und Passivieren von Edelstahl
IT1303814B1 (it) *	1998-12-02	2001-02-23	Henkel Kgaa	Apparecchiatura e metodo per controllare processi di decapaggio peracciaio.

2002
- 2002-08-30 DE DE60221584T patent/DE60221584T2/de not_active Expired - Lifetime
- 2002-08-30 AU AU2002333772A patent/AU2002333772A1/en not_active Abandoned
- 2002-08-30 WO PCT/EP2002/009730 patent/WO2004020700A1/en not_active Ceased
- 2002-08-30 AT AT02807707T patent/ATE368758T1/de active
- 2002-08-30 ES ES02807707T patent/ES2292857T3/es not_active Expired - Lifetime
- 2002-08-30 EP EP02807707A patent/EP1552038B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE60221584T2 (de)	2008-04-17
EP1552038A1 (de)	2005-07-13
DE60221584D1 (de)	2007-09-13
EP1552038B1 (de)	2007-08-01
ATE368758T1 (de)	2007-08-15
AU2002333772A1 (en)	2004-03-19
WO2004020700A1 (en)	2004-03-11

Publication	Publication Date	Title
ES2350095T3 (es)	2011-01-18	Solución y procedimiento de decapado para acero inoxidable.
JP3128202B2 (ja)	2001-01-29	金属の処理方法
FI101234B (fi)	1998-05-15	Menetelmä ruostumattoman teräksen peittaamiseksi ja passivoimiseksityppihappoa käyttämättä
KR100448972B1 (ko)	2004-12-08	강편및특히스테인리스강박판스트립의산세방법
US8128754B2 (en)	2012-03-06	Ferric pickling of silicon steel
ES2609055T3 (es)	2017-04-18	Abrillantado y pasivación de superficies de acero inoxidable
CA2035847A1 (en)	1991-08-09	Method for pickling or cleaning materials of steel, in particular stainless steel
JP2006503182A5 (de)	2006-06-15
ES2217621T3 (es)	2004-11-01	Procedimiento para el decapado y el pasivado de acero especial.
JPH09291383A (ja)	1997-11-11	硝酸を使わずにステンレス鋼を酸洗いし不動態化する方法
ES2292857T3 (es)	2008-03-16	Un metodo economico para restaurar el potencial de oxidacion de una solucion de decapado.
US7229506B2 (en)	2007-06-12	Process for pickling martensitic or ferritic stainless steel
US5690748A (en)	1997-11-25	Process for the acid pickling of stainless steel products
CN109234746A (zh)	2019-01-18	一种不锈钢丝的酸洗工艺方法
KR20040094401A (ko)	2004-11-09	스테인레스강의 스케일 제거 후의 표면 마무리 방법
JP2945136B2 (ja)	1999-09-06	チタンまたはチタンと化学的に類似な元素を少なくとも１つ含む金属製品の酸洗浴を用いた酸洗方法
US5332446A (en)	1994-07-26	Method for continuous pickling of steel materials on a treatment line
WO1999032690A1 (en)	1999-07-01	Pickling process with at least two steps
IT9022248A1 (it)	1992-05-30	Processo a piu' stadi per il decapaggio di un acciaio inossidabile avente struttura martensitica.