CA1274754A - Passivation process and composition for zinc-aluminum alloys - Google Patents
Passivation process and composition for zinc-aluminum alloysInfo
- Publication number
- CA1274754A CA1274754A CA000511361A CA511361A CA1274754A CA 1274754 A CA1274754 A CA 1274754A CA 000511361 A CA000511361 A CA 000511361A CA 511361 A CA511361 A CA 511361A CA 1274754 A CA1274754 A CA 1274754A
- Authority
- CA
- Canada
- Prior art keywords
- ions
- zinc
- solution
- chromium
- present
- 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.)
- Expired - Lifetime
Links
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 20
- 239000000956 alloy Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910000611 Zinc aluminium Inorganic materials 0.000 title claims abstract description 14
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000000203 mixture Substances 0.000 title claims description 4
- 238000002161 passivation Methods 0.000 title description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- -1 nitrate ions Chemical class 0.000 claims abstract description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 18
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 16
- 239000011651 chromium Substances 0.000 claims abstract description 16
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 16
- 239000011701 zinc Substances 0.000 claims abstract description 16
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 10
- 229910001430 chromium ion Inorganic materials 0.000 claims abstract description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 9
- 230000002378 acidificating effect Effects 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 150000002500 ions Chemical class 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 14
- 239000003929 acidic solution Substances 0.000 claims 2
- 239000012141 concentrate Substances 0.000 claims 2
- 239000012895 dilution Substances 0.000 claims 2
- 238000010790 dilution Methods 0.000 claims 2
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 claims 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000002845 discoloration Methods 0.000 abstract description 4
- 239000000470 constituent Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 17
- 239000002253 acid Substances 0.000 description 9
- 238000011282 treatment Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- HGOMLSWXJIICBL-UHFFFAOYSA-F dialuminum;zinc;tetrasulfate;tetracosahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[Al+3].[Zn+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HGOMLSWXJIICBL-UHFFFAOYSA-F 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000015096 spirit Nutrition 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MBEVSMZJMIQVBG-UHFFFAOYSA-N 2-(hydroxymethyl)guanidine Chemical compound NC(N)=NCO MBEVSMZJMIQVBG-UHFFFAOYSA-N 0.000 description 1
- QWMFKVNJIYNWII-UHFFFAOYSA-N 5-bromo-2-(2,5-dimethylpyrrol-1-yl)pyridine Chemical compound CC1=CC=C(C)N1C1=CC=C(Br)C=N1 QWMFKVNJIYNWII-UHFFFAOYSA-N 0.000 description 1
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 1
- 101150049479 CCNC gene Proteins 0.000 description 1
- 101000837192 Drosophila melanogaster Teneurin-m Proteins 0.000 description 1
- 101100137177 Drosophila melanogaster polyph gene Proteins 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001508691 Martes zibellina Species 0.000 description 1
- BKAYIFDRRZZKNF-VIFPVBQESA-N N-acetylcarnosine Chemical compound CC(=O)NCCC(=O)N[C@H](C(O)=O)CC1=CN=CN1 BKAYIFDRRZZKNF-VIFPVBQESA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 244000191761 Sida cordifolia Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 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
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000007775 late Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- JOVLEOXYYWEEEW-UHFFFAOYSA-M sodium;1-amino-8-hydroxy-4-sulfonaphthalene-2-sulfonate Chemical compound [Na+].C1=CC(O)=C2C(N)=C(S([O-])(=O)=O)C=C(S(O)(=O)=O)C2=C1 JOVLEOXYYWEEEW-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002459 sustained effect Effects 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
-
- 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
- C23C22/44—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 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
- 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
- C23C22/24—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 hexavalent chromium compounds
- C23C22/33—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 hexavalent chromium compounds 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
- C23C22/05—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
- C23C22/37—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 containing also hexavalent chromium compounds
- C23C22/38—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 containing also hexavalent chromium compounds containing also phosphates
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)
- Chemical Treatment Of Metals (AREA)
- Prevention Of Electric Corrosion (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77340585A | 1985-09-06 | 1985-09-06 | |
| US773,405 | 1985-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1274754A true CA1274754A (en) | 1990-10-02 |
Family
ID=25098170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000511361A Expired - Lifetime CA1274754A (en) | 1985-09-06 | 1986-06-11 | Passivation process and composition for zinc-aluminum alloys |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0213590B1 (es) |
| JP (1) | JPS6256579A (es) |
| KR (1) | KR870003229A (es) |
| AT (1) | ATE65266T1 (es) |
| AU (1) | AU590885B2 (es) |
| CA (1) | CA1274754A (es) |
| DE (2) | DE3628660A1 (es) |
| ES (1) | ES2001659A6 (es) |
| GB (1) | GB2179960B (es) |
| NZ (1) | NZ216539A (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014059474A1 (en) * | 2012-10-18 | 2014-04-24 | Bluescope Steel Limited | Method of producing metal coated steel strip |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8828559D0 (en) * | 1988-12-07 | 1989-01-11 | Novamax Tech Corp | Composition & method for coating metal surfaces |
| NL9000310A (nl) * | 1989-02-27 | 1990-09-17 | Omi Int Corp | Mengsel en werkwijze voor omzetting. |
| GB2231063A (en) * | 1989-02-27 | 1990-11-07 | Omi International | Electroless plating composition containing saccharin |
| JPH055185A (ja) * | 1991-06-26 | 1993-01-14 | Nippon Parkerizing Co Ltd | アルミニウムの表面処理方法 |
| US5498759A (en) * | 1991-06-26 | 1996-03-12 | Henkel Corporation | Surface treatment method for aluminum |
| AUPP375198A0 (en) * | 1998-05-28 | 1998-06-18 | Bhp Steel (Jla) Pty Limited | An anticorrosion treatment |
| GB2374088A (en) * | 2001-03-29 | 2002-10-09 | Macdermid Plc | Conversion treatment of zinc and zinc alloy surfaces |
| CN107513703A (zh) * | 2017-08-24 | 2017-12-26 | 南通市烨达汽车零部件有限公司 | 一种汽车用表面金属处理剂 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB712691A (en) * | 1950-03-07 | 1954-07-28 | Gen Motors Corp | Chemical solutions for treating metal surfaces and methods of using the same |
| NL224487A (es) * | 1957-01-31 | |||
| NL248160A (es) * | 1959-02-09 | |||
| GB984055A (en) * | 1963-06-04 | 1965-02-24 | Protime Soc | Anti-corrosion product |
| NL6606084A (es) * | 1966-05-05 | 1967-11-06 | ||
| GB1164726A (en) * | 1967-03-24 | 1969-09-17 | M & T Chemicals Inc | Coating of Aluminium and Aluminium Alloys |
| US3562011A (en) * | 1968-04-26 | 1971-02-09 | Gen Electric | Insulating coating comprising an aqueous mixture of the reaction product of chromium nitrate and sodium chromate,phosphoric acid and colloidal silica and method of making the same |
| GB1435518A (en) * | 1972-10-12 | 1976-05-12 | Int Nickel Ltd | Electrolytic treatment of chromium-containing alloys and electro lytes for use therein |
| US3798074A (en) * | 1972-03-23 | 1974-03-19 | Allegheny Ludlum Ind Inc | Surface finishing |
| JPS5648591B2 (es) * | 1973-11-15 | 1981-11-17 | ||
| JPS5268036A (en) * | 1975-12-04 | 1977-06-06 | Nisshin Steel Co Ltd | Process for surface treating steel sheet by phosphoric acidd0chromic acid bath |
| JPS5817832B2 (ja) * | 1977-08-13 | 1983-04-09 | 日本ペイント株式会社 | アルミニウム，亜鉛およびそれらの合金材の表面処理方法 |
| DE2854355A1 (de) * | 1978-12-15 | 1980-06-26 | Amchem Prod | Saures, waessriges mittel zur herstellung eines chromatumwandlungsueberzuges auf aluminiumhaltigen oberflaechen und verfahren zur herstellung eines chromatumwandlungsueberzuges auf aluminiumhaltigen oberflaechen |
| US4531978A (en) * | 1983-04-11 | 1985-07-30 | Detrex Chemical Industries, Inc. | Method of forming chromate conversion coatings on aluminum surfaces and the coating formed thereby |
| JPS59222587A (ja) * | 1983-06-02 | 1984-12-14 | Mitsui Mining & Smelting Co Ltd | クロメ−ト処理方法 |
| JPS6026672A (ja) * | 1983-07-22 | 1985-02-09 | Mitsui Mining & Smelting Co Ltd | クロメ−ト処理方法 |
-
1986
- 1986-06-11 CA CA000511361A patent/CA1274754A/en not_active Expired - Lifetime
- 1986-06-16 AU AU58752/86A patent/AU590885B2/en not_active Ceased
- 1986-06-16 NZ NZ216539A patent/NZ216539A/xx unknown
- 1986-08-14 KR KR1019860006734A patent/KR870003229A/ko not_active Application Discontinuation
- 1986-08-23 DE DE19863628660 patent/DE3628660A1/de not_active Withdrawn
- 1986-08-26 DE DE8686111789T patent/DE3680263D1/de not_active Expired - Fee Related
- 1986-08-26 EP EP86111789A patent/EP0213590B1/de not_active Expired - Lifetime
- 1986-08-26 AT AT86111789T patent/ATE65266T1/de not_active IP Right Cessation
- 1986-08-29 JP JP61203563A patent/JPS6256579A/ja active Pending
- 1986-09-04 ES ES8601629A patent/ES2001659A6/es not_active Expired
- 1986-09-08 GB GB8621560A patent/GB2179960B/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014059474A1 (en) * | 2012-10-18 | 2014-04-24 | Bluescope Steel Limited | Method of producing metal coated steel strip |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3628660A1 (de) | 1987-03-19 |
| JPS6256579A (ja) | 1987-03-12 |
| AU590885B2 (en) | 1989-11-23 |
| EP0213590B1 (de) | 1991-07-17 |
| GB8621560D0 (en) | 1986-10-15 |
| GB2179960A (en) | 1987-03-18 |
| AU5875286A (en) | 1987-03-12 |
| GB2179960B (en) | 1990-01-24 |
| NZ216539A (en) | 1989-02-24 |
| EP0213590A1 (de) | 1987-03-11 |
| KR870003229A (ko) | 1987-04-16 |
| ES2001659A6 (es) | 1988-06-01 |
| ATE65266T1 (de) | 1991-08-15 |
| DE3680263D1 (de) | 1991-08-22 |
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