GB666212A - Improvements in or relating to process for treating cold rolled straight chrome type stainless steel - Google Patents
Improvements in or relating to process for treating cold rolled straight chrome type stainless steelInfo
- Publication number
- GB666212A GB666212A GB3519/48A GB351948A GB666212A GB 666212 A GB666212 A GB 666212A GB 3519/48 A GB3519/48 A GB 3519/48A GB 351948 A GB351948 A GB 351948A GB 666212 A GB666212 A GB 666212A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- pickled
- inch
- cold rolled
- chromium
- 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
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title abstract 4
- 229910001220 stainless steel Inorganic materials 0.000 title abstract 3
- 239000010935 stainless steel Substances 0.000 title 1
- 238000005097 cold rolling Methods 0.000 abstract 4
- 239000002253 acid Substances 0.000 abstract 3
- 150000007513 acids Chemical class 0.000 abstract 3
- 229910052804 chromium Inorganic materials 0.000 abstract 3
- 239000011651 chromium Substances 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 238000005554 pickling Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 238000005275 alloying Methods 0.000 abstract 1
- 238000000137 annealing Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/06—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing of strip material
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/228—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length skin pass rolling or temper rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
Abstract
Chromium stainless steels containing 10-30 per cent chromium and which contain no other alloying elements added for the purpose of producing the stainless characteristic, after cold rolling and batch annealing, whereby an oxide film is formed, are treated to stretch and fracture the film e.g. by cold rolling; they may then be pickled in commercial pickling acids such as sulphuric and nitric-hydrofluoric acids. In an example, chromium steel is hot rolled to 0.125 inch, batch annealed, pickled, cold rolled to 0.060 inch, batch annealed, skin passed in a cold rolling mill; pickled successively in sulphuric acid and nitrichydrofluoric acids, cold rolled to 0.032 inch, batch annealed, skin passed and pickled as before, cold rolled to 0.018 inch, batch annealed, skin passed and pickled as before. Pickling may be continuous with or separate from the cold rolling step. Reference is made to the treatment of a steel containing 0.1 per cent carbon, 0.5 per cent manganese, 0.3 per cent silicon, 0.02 per cent phosphorus, 0.02 per cent sulphur, 17 per cent chromium and 0.3 per cent nickel.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US730196A US2605775A (en) | 1947-02-21 | 1947-02-21 | Process of teating cold rolled straight chrome type stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB666212A true GB666212A (en) | 1952-02-06 |
Family
ID=24934350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3519/48A Expired GB666212A (en) | 1947-02-21 | 1948-02-06 | Improvements in or relating to process for treating cold rolled straight chrome type stainless steel |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2605775A (en) |
| GB (1) | GB666212A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2915061A1 (en) * | 1979-04-12 | 1980-10-16 | Sumitomo Metal Ind | METHOD FOR DESCALING STAINLESS STEEL PRODUCTS |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2916458A (en) * | 1954-11-12 | 1959-12-08 | Aerojet General Co | Pickling solution |
| US3197341A (en) * | 1961-06-19 | 1965-07-27 | Rohr Corp | Method and composition for descaling stainless steels and related alloys |
| US4025361A (en) * | 1975-09-04 | 1977-05-24 | Avco Corporation | Removal of ceramic investment shell mold from metal casting |
| SE439025B (en) * | 1979-09-13 | 1985-05-28 | Fagersta Ab | SET TO REMOVE OXID LAYERS FROM THE SURFACE OF HOT ROLLED STAINLESS STEEL |
| DE19532278B4 (en) * | 1995-09-01 | 2006-07-27 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method for producing a cold-rolled strip in one pass |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US894613A (en) * | 1907-11-06 | 1908-07-28 | Gen Electric | Process of insulating electric conductors. |
| US1392780A (en) * | 1920-03-27 | 1921-10-04 | Henry S Marsh | Method of pickling metal articles |
| US1567143A (en) * | 1925-01-19 | 1925-12-29 | United Alloy Steel Corp | Annealing steel sheets |
| US1765498A (en) * | 1926-11-12 | 1930-06-24 | American Rolling Mill Co | Continuous-pickling process |
| US1837159A (en) * | 1929-06-28 | 1931-12-15 | Stanley Works | Method of and apparatus for processing strip metal |
| US2347742A (en) * | 1939-09-18 | 1944-05-02 | Rustless Iron & Steel Corp | Pickling process |
| US2340461A (en) * | 1941-06-18 | 1944-02-01 | American Rolling Mill Co | Process of producing stainless steel sheet or strip stock |
-
1947
- 1947-02-21 US US730196A patent/US2605775A/en not_active Expired - Lifetime
-
1948
- 1948-02-06 GB GB3519/48A patent/GB666212A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2915061A1 (en) * | 1979-04-12 | 1980-10-16 | Sumitomo Metal Ind | METHOD FOR DESCALING STAINLESS STEEL PRODUCTS |
Also Published As
| Publication number | Publication date |
|---|---|
| US2605775A (en) | 1952-08-05 |
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