DE2714136C3 - Verfahren zum Entzundern eines Körpers aus nichtrostendem Stahl - Google Patents
Verfahren zum Entzundern eines Körpers aus nichtrostendem StahlInfo
- Publication number
- DE2714136C3 DE2714136C3 DE2714136A DE2714136A DE2714136C3 DE 2714136 C3 DE2714136 C3 DE 2714136C3 DE 2714136 A DE2714136 A DE 2714136A DE 2714136 A DE2714136 A DE 2714136A DE 2714136 C3 DE2714136 C3 DE 2714136C3
- Authority
- DE
- Germany
- Prior art keywords
- descaling
- salt
- metal
- stainless steel
- aqueous solution
- 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
Links
- 238000000034 method Methods 0.000 title claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 title claims description 7
- 239000010935 stainless steel Substances 0.000 title claims description 6
- 150000003839 salts Chemical class 0.000 claims description 27
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 5
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 150000003841 chloride salts Chemical class 0.000 claims description 3
- 150000002823 nitrates Chemical class 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 230000001143 conditioned effect Effects 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 12
- 238000007654 immersion Methods 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000003513 alkali Substances 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 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 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 229910017604 nitric acid Chemical class 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical class [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/06—Iron or steel
-
- 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
- C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/672,586 US4026777A (en) | 1976-04-01 | 1976-04-01 | Metallic descaling system |
| US05/767,177 US4066521A (en) | 1977-02-09 | 1977-02-09 | Metallic descaling system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2714136A1 DE2714136A1 (de) | 1977-10-20 |
| DE2714136B2 DE2714136B2 (de) | 1981-07-23 |
| DE2714136C3 true DE2714136C3 (de) | 1986-05-28 |
Family
ID=27100786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2714136A Expired DE2714136C3 (de) | 1976-04-01 | 1977-03-30 | Verfahren zum Entzundern eines Körpers aus nichtrostendem Stahl |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5939518B2 (enExample) |
| AU (1) | AU505146B2 (enExample) |
| BR (1) | BR7701895A (enExample) |
| CA (1) | CA1088457A (enExample) |
| DE (1) | DE2714136C3 (enExample) |
| ES (1) | ES457467A1 (enExample) |
| FR (1) | FR2346466A1 (enExample) |
| GB (1) | GB1520705A (enExample) |
| IT (1) | IT1082692B (enExample) |
| MX (1) | MX147289A (enExample) |
| SE (1) | SE433950B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157288A (ja) * | 1983-02-25 | 1984-09-06 | Nippon Stainless Steel Co Ltd | ステンレス鋼帯の酸洗方法 |
| JPS60121285A (ja) * | 1983-12-02 | 1985-06-28 | Nisshin Steel Co Ltd | ステンレス鋼の酸洗前処理用溶融塩組成物 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE438799A (enExample) * | 1939-05-24 | |||
| FR1226856A (fr) * | 1958-12-23 | 1960-08-16 | Procédé de décapage des aciers alliés | |
| GB1082409A (en) * | 1963-12-04 | 1967-09-06 | Mitsubishi Heavy Ind Ltd | An electrolytic descaling solution |
| GB1082410A (en) * | 1963-12-26 | 1967-09-06 | Mitsubishi Heavy Ind Ltd | An electrolytic descaling method |
| US3260619A (en) * | 1965-02-04 | 1966-07-12 | Kolene Corp | Methods and compositions for cleaning metal |
| DE1496785A1 (de) * | 1966-12-10 | 1969-08-07 | Dynamit Nobel Ag | Verfahren zur Entfernung von Metallpulver und niederen Metalloxyden von der Oberflaeche mit Natriumhydrid gebeizter Drahtbuendel |
| US3951681A (en) * | 1973-11-01 | 1976-04-20 | Kolene Corporation | Method for descaling ferrous metals |
-
1977
- 1977-03-22 GB GB11937/77A patent/GB1520705A/en not_active Expired
- 1977-03-23 AU AU23523/77A patent/AU505146B2/en not_active Expired
- 1977-03-24 SE SE7703405A patent/SE433950B/xx unknown
- 1977-03-28 BR BR7701895A patent/BR7701895A/pt unknown
- 1977-03-30 DE DE2714136A patent/DE2714136C3/de not_active Expired
- 1977-03-31 FR FR7709776A patent/FR2346466A1/fr active Granted
- 1977-03-31 MX MX168595A patent/MX147289A/es unknown
- 1977-03-31 CA CA275,220A patent/CA1088457A/en not_active Expired
- 1977-03-31 JP JP52036897A patent/JPS5939518B2/ja not_active Expired
- 1977-03-31 IT IT48766/77A patent/IT1082692B/it active
- 1977-04-01 ES ES457467A patent/ES457467A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2714136A1 (de) | 1977-10-20 |
| GB1520705A (en) | 1978-08-09 |
| IT1082692B (it) | 1985-05-21 |
| JPS52129635A (en) | 1977-10-31 |
| ES457467A1 (es) | 1978-08-16 |
| SE7703405L (sv) | 1977-10-02 |
| SE433950B (sv) | 1984-06-25 |
| AU2352377A (en) | 1978-09-28 |
| CA1088457A (en) | 1980-10-28 |
| FR2346466B1 (enExample) | 1981-11-27 |
| FR2346466A1 (fr) | 1977-10-28 |
| JPS5939518B2 (ja) | 1984-09-25 |
| AU505146B2 (en) | 1979-11-08 |
| BR7701895A (pt) | 1977-11-29 |
| DE2714136B2 (de) | 1981-07-23 |
| MX147289A (es) | 1982-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1161740B (de) | Verfahren zum Beizen von legierten Staehlen | |
| DE68912517T2 (de) | Verfahren zum Entzundern von rostfreiem Stahl und Vorrichtung dafür. | |
| EP0059527B1 (en) | High current density, acid-free electrolytic descaling process | |
| EP1911862B1 (de) | Elektropolierverfahren für Niob und Tantal | |
| KR890001379B1 (ko) | 산화물 스케일형성조절 및 스케일제거를 포함하는 금속 제품의 제조공정 | |
| DE2430501C3 (de) | Beizverfahren für metallische Gegenstände, insbesondere für die kontinuierliche Behandlung von band- oder drahtförmigem Material, insbesondere aus rostfreiem Stahl | |
| DE2450960A1 (de) | Verfahren zum beizen von metallen | |
| DE2621108C2 (de) | Verfahren zur stetigen oder schrittweisen elektrochemischen Reinigung legierter Stähle | |
| DE2710459C2 (de) | Verfahren zum elektrolytischen Entzundern eines metallischen Körpers und seine Anwendung auf legierten Stahl | |
| US4026777A (en) | Metallic descaling system | |
| DE19931820C2 (de) | Verfahren zum entzundern von Titanmaterial und entzundertes Titanmaterial | |
| DE1109478B (de) | Verfahren zum Entzundern von Gegenstaenden aus Titan oder Titanlegierungen | |
| AT391486B (de) | Verfahren zum elektrolytischen beizen von edelstahlband | |
| DE2714136B2 (de) | Verfahren zur Entzunderung eines Metallkörpers | |
| DE1944388B2 (de) | Verfahren zum elektrolytischen beizen und entzundern von zinnhaltigen titanlegierungen | |
| DE2633872C2 (de) | Verfahren zum Herstellen einer wasserigen Flußmittellauge für das Feuerverzinken | |
| DE19624436A1 (de) | Verfahren zur Oberflächenbehandlung von aus Edelstahl bestehendem Behandlungsgut | |
| DE1546077C3 (de) | Verfahren zum elektrolytischen Entfernen von Oxiden auf der Oberfläche von Edelstahl | |
| EP0814180A1 (de) | Verfahren zur Oberflächenbehandlung von aus Edelstahl bestehendem Behandlungsgut | |
| DE3801018A1 (de) | Verfahren zum entfernen von zunder und oxyden von metallen, metallegierungen, insbesondere legierten staehlen, hochlegierten staehlen und kohlestaehlen mittels eines eisen(iii)-ionen enthaltenden beizbades | |
| US4066521A (en) | Metallic descaling system | |
| DE19926102B4 (de) | Verfahren und Anlage zur Herstellung eines elektrolytisch beschichteten Warmbandes | |
| DE673710C (de) | Verfahren zur Herstellung von Schutzueberzuegen auf Gegenstaenden aus Eisen oder Kupfer bzw. deren Legierungen | |
| EP1101840A1 (de) | Verfahren zur Herstellung von Edelstahlbändern mit verbesserten Oberflächeneigenschaften | |
| DE1621611B2 (de) | Verfahren und Beizlösung zur Beseitigung von Oxyden von Kupferflächen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8263 | Opposition against grant of a patent | ||
| 8227 | New person/name/address of the applicant |
Free format text: ALLEGHENY LUDLUM STEEL CORP., PITTSBURGH, PA., US RUTHNER INDUSTRIEANLAGEN AG, WIEN, AT |
|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |