JPH0472914B2 - - Google Patents
Info
- Publication number
- JPH0472914B2 JPH0472914B2 JP59237760A JP23776084A JPH0472914B2 JP H0472914 B2 JPH0472914 B2 JP H0472914B2 JP 59237760 A JP59237760 A JP 59237760A JP 23776084 A JP23776084 A JP 23776084A JP H0472914 B2 JPH0472914 B2 JP H0472914B2
- Authority
- JP
- Japan
- Prior art keywords
- cold
- descaling
- aqueous solution
- rolled titanium
- titanium plate
- 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
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 29
- 239000010936 titanium Substances 0.000 claims description 29
- 229910052719 titanium Inorganic materials 0.000 claims description 29
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 27
- 239000007864 aqueous solution Substances 0.000 claims description 24
- 150000001447 alkali salts Chemical class 0.000 claims description 15
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 229960002050 hydrofluoric acid Drugs 0.000 description 16
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 238000007654 immersion Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical group 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- C23G1/32—Heavy metals
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23776084A JPS61117292A (ja) | 1984-11-12 | 1984-11-12 | チタン板の脱スケ−ル方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23776084A JPS61117292A (ja) | 1984-11-12 | 1984-11-12 | チタン板の脱スケ−ル方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61117292A JPS61117292A (ja) | 1986-06-04 |
| JPH0472914B2 true JPH0472914B2 (fi) | 1992-11-19 |
Family
ID=17020041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23776084A Granted JPS61117292A (ja) | 1984-11-12 | 1984-11-12 | チタン板の脱スケ−ル方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61117292A (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6274027B1 (en) | 1999-07-06 | 2001-08-14 | Sumitomo Metal Industries, Ltd | Method of descaling titanium material and descaled titanium material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826539A (en) * | 1956-12-05 | 1958-03-11 | Allegheny Ludlum Steel | Method of cleaning metal strip |
| JPS55138083A (en) * | 1979-04-11 | 1980-10-28 | Sumitomo Metal Ind Ltd | Washng method for titanium material with nitrofluoric acid |
-
1984
- 1984-11-12 JP JP23776084A patent/JPS61117292A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826539A (en) * | 1956-12-05 | 1958-03-11 | Allegheny Ludlum Steel | Method of cleaning metal strip |
| JPS55138083A (en) * | 1979-04-11 | 1980-10-28 | Sumitomo Metal Ind Ltd | Washng method for titanium material with nitrofluoric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61117292A (ja) | 1986-06-04 |
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