JPH0534439B2 - - Google Patents
Info
- Publication number
- JPH0534439B2 JPH0534439B2 JP62252336A JP25233687A JPH0534439B2 JP H0534439 B2 JPH0534439 B2 JP H0534439B2 JP 62252336 A JP62252336 A JP 62252336A JP 25233687 A JP25233687 A JP 25233687A JP H0534439 B2 JPH0534439 B2 JP H0534439B2
- Authority
- JP
- Japan
- Prior art keywords
- solution
- descaling
- reaction
- electrolysis
- neutral salt
- 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 - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 claims description 45
- 239000000243 solution Substances 0.000 claims description 39
- 150000003839 salts Chemical class 0.000 claims description 33
- 238000005868 electrolysis reaction Methods 0.000 claims description 32
- 230000007935 neutral effect Effects 0.000 claims description 29
- 239000007864 aqueous solution Substances 0.000 claims description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000012295 chemical reaction liquid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 22
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 238000007796 conventional method Methods 0.000 description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 238000007654 immersion Methods 0.000 description 7
- 229910017604 nitric acid Inorganic materials 0.000 description 7
- 238000005554 pickling Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000010349 cathodic reaction Methods 0.000 description 4
- 229960002050 hydrofluoric acid Drugs 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000012733 comparative method Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electrolytic Production Of Metals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25233687A JPH0196399A (ja) | 1987-10-08 | 1987-10-08 | ステンレス冷延鋼帯の中性塩電解脱スケール方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25233687A JPH0196399A (ja) | 1987-10-08 | 1987-10-08 | ステンレス冷延鋼帯の中性塩電解脱スケール方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0196399A JPH0196399A (ja) | 1989-04-14 |
JPH0534439B2 true JPH0534439B2 (it) | 1993-05-24 |
Family
ID=17235850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25233687A Granted JPH0196399A (ja) | 1987-10-08 | 1987-10-08 | ステンレス冷延鋼帯の中性塩電解脱スケール方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0196399A (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0368799A (ja) * | 1989-08-08 | 1991-03-25 | Kawasaki Steel Corp | ステンレス冷延鋼帯の脱スケール方法 |
JP2749723B2 (ja) * | 1990-12-28 | 1998-05-13 | 川崎製鉄株式会社 | 光沢、白色度および耐食性に優れたステンレス冷延鋼帯の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5710200A (en) * | 1980-06-20 | 1982-01-19 | Matsushita Electric Ind Co Ltd | Voice synthesizer |
JPS62167900A (ja) * | 1986-01-17 | 1987-07-24 | Agency Of Ind Science & Technol | Sus 304 鋼熱間圧延鋼のスケ−ル除去方法 |
-
1987
- 1987-10-08 JP JP25233687A patent/JPH0196399A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5710200A (en) * | 1980-06-20 | 1982-01-19 | Matsushita Electric Ind Co Ltd | Voice synthesizer |
JPS62167900A (ja) * | 1986-01-17 | 1987-07-24 | Agency Of Ind Science & Technol | Sus 304 鋼熱間圧延鋼のスケ−ル除去方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0196399A (ja) | 1989-04-14 |
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Legal Events
Date | Code | Title | Description |
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S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |