GB1020269A - Improvements in or relating to surface treatment of bright annealed strip - Google Patents
Improvements in or relating to surface treatment of bright annealed stripInfo
- Publication number
- GB1020269A GB1020269A GB18280/64A GB1828064A GB1020269A GB 1020269 A GB1020269 A GB 1020269A GB 18280/64 A GB18280/64 A GB 18280/64A GB 1828064 A GB1828064 A GB 1828064A GB 1020269 A GB1020269 A GB 1020269A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- surface treatment
- stainless steel
- annealed strip
- bright annealed
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
- C25F3/24—Polishing of heavy metals of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/26—Anodisation of refractory metals or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Stainless steel after annealing by heat treatment e.g. at 1250-2100 DEG F., in a reducing atmosphere of hydrogen or cracked ammonia, is anodically polished using an aqueous solution of H3BO3 or an organic acid except acetic or formic acid, which are covered in the parent Specification. Suitable organic acids are citric, oxalic, mono-chloracetic, tartaric, benzoic or picric acid. The electrolyte is used at 40-120 DEG F. and at current density of 0.1-1.0 A.S. inch. The stainless steel in addition to chromium may also include other alloying metals e.g. Ni, Co, Cb, Mn, and Si.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18302662A | 1962-03-28 | 1962-03-28 | |
US343153A US3287237A (en) | 1962-03-28 | 1964-02-06 | Surface treatment of bright annealed strip |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1020269A true GB1020269A (en) | 1966-02-16 |
Family
ID=26878667
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10691/63A Expired GB998687A (en) | 1962-03-28 | 1963-03-18 | Improvements in or relating to surface treatment of bright annealed strip |
GB18280/64A Expired GB1020269A (en) | 1962-03-28 | 1964-05-01 | Improvements in or relating to surface treatment of bright annealed strip |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10691/63A Expired GB998687A (en) | 1962-03-28 | 1963-03-18 | Improvements in or relating to surface treatment of bright annealed strip |
Country Status (4)
Country | Link |
---|---|
US (1) | US3287237A (en) |
BE (2) | BE649912A (en) |
DE (2) | DE1496704A1 (en) |
GB (2) | GB998687A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108716015A (en) * | 2018-06-05 | 2018-10-30 | 浙江苏泊尔股份有限公司 | A method of improving the discoloration of stainless steel work-piece high temperature resistance |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5610996B2 (en) * | 1974-01-14 | 1981-03-11 | ||
JPS5912755B2 (en) | 1981-06-04 | 1984-03-26 | 日本金属株式会社 | Stainless steel surface treatment method |
US4412892A (en) * | 1981-07-13 | 1983-11-01 | The United States Of America As Represented By The Secretary Of The Army | Pretreatment of superalloys and stainless steels for electroplating |
JPS60218498A (en) * | 1984-04-14 | 1985-11-01 | Nippon Steel Corp | Improvement of corrosion resistance of bright-anneaed stainless steel |
US5259935A (en) * | 1991-05-03 | 1993-11-09 | The Boc Group, Inc. | Stainless steel surface passivation treatment |
US5188714A (en) * | 1991-05-03 | 1993-02-23 | The Boc Group, Inc. | Stainless steel surface passivation treatment |
US5607520A (en) * | 1995-08-18 | 1997-03-04 | Northrop Grumman Corporation | Reel-to-reel passivation of stainless steel wire |
JP5970796B2 (en) * | 2010-12-10 | 2016-08-17 | Jfeスチール株式会社 | Steel foil for solar cell substrate and manufacturing method thereof, and solar cell substrate, solar cell and manufacturing method thereof |
CN114395790B (en) * | 2021-12-30 | 2024-04-26 | 上海电力大学 | Corrosion liquid and corrosion method for metallographic structure sample preparation of ferrite and austenite dissimilar steel welded joint |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1901039A (en) * | 1931-12-09 | 1933-03-14 | Internaitonal Nickel Company I | Process of bright annealing steels and alloys |
US2331721A (en) * | 1939-08-12 | 1943-10-12 | Rustless Iron & Steel Corp | Polishing stainless iron and steel |
US2381167A (en) * | 1943-06-28 | 1945-08-07 | American Steel & Wire Co | Electrolytically polishing stainless steel |
US2576680A (en) * | 1945-09-15 | 1951-11-27 | Electro Chimie Metal | Method for increasing the resistance to corrosion of stainless steel |
FR1027550A (en) * | 1950-11-10 | 1953-05-12 | Improvements to electrolytic metal polishing baths | |
US3097980A (en) * | 1957-08-22 | 1963-07-16 | Hamilton Watch Co | Heat treatment of stainless steel |
DE1202607B (en) * | 1961-01-20 | 1965-10-07 | Nyby Bruk Ab | Process for anodic surface treatment of metal objects |
US3247086A (en) * | 1961-05-25 | 1966-04-19 | Crucible Steel Co America | Method for enhancing corrosion resistance of stainless steels and products thereof |
-
0
- BE BE630167D patent/BE630167A/xx unknown
-
1963
- 1963-03-18 GB GB10691/63A patent/GB998687A/en not_active Expired
- 1963-03-27 DE DE19631496704 patent/DE1496704A1/en active Pending
-
1964
- 1964-02-06 US US343153A patent/US3287237A/en not_active Expired - Lifetime
- 1964-03-28 DE DE19641496708 patent/DE1496708A1/en active Pending
- 1964-05-01 GB GB18280/64A patent/GB1020269A/en not_active Expired
- 1964-06-30 BE BE649912D patent/BE649912A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108716015A (en) * | 2018-06-05 | 2018-10-30 | 浙江苏泊尔股份有限公司 | A method of improving the discoloration of stainless steel work-piece high temperature resistance |
Also Published As
Publication number | Publication date |
---|---|
DE1496704A1 (en) | 1969-06-19 |
BE649912A (en) | 1964-12-30 |
GB998687A (en) | 1965-07-21 |
US3287237A (en) | 1966-11-22 |
BE630167A (en) | |
DE1496708A1 (en) | 1969-08-21 |
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