JPS5554558A - Production of continuous zinc hot dipping steel sheet - Google Patents
Production of continuous zinc hot dipping steel sheetInfo
- Publication number
- JPS5554558A JPS5554558A JP12505678A JP12505678A JPS5554558A JP S5554558 A JPS5554558 A JP S5554558A JP 12505678 A JP12505678 A JP 12505678A JP 12505678 A JP12505678 A JP 12505678A JP S5554558 A JPS5554558 A JP S5554558A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- cooling
- alcohol
- carrying
- dipping
- 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.)
- Pending
Links
- 239000011701 zinc Substances 0.000 title abstract 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract 6
- 238000007598 dipping method Methods 0.000 title abstract 6
- 229910052725 zinc Inorganic materials 0.000 title abstract 6
- 229910000831 Steel Inorganic materials 0.000 title abstract 4
- 239000010959 steel Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000001816 cooling Methods 0.000 abstract 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 4
- 238000007747 plating Methods 0.000 abstract 3
- 230000032683 aging Effects 0.000 abstract 2
- 238000001953 recrystallisation Methods 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Coating With Molten Metal (AREA)
Abstract
PURPOSE:To manufacture Zn plating steel sheet having superior quality, by carrying out rapid cooling treatment by dipping in alcohol or atomomizing alcohol after carrying out recrystallization treatment of the sheet at continuous zinc hot dipping process. CONSTITUTION:The steel sheet 1 is rapidly cooled at 350-500 deg.C in the alcohol dipping tank 3 after carrying out over recrystallization in the uniform heating furnace 2 and continuously carrying out aging treatment in order to deposit C, N dissolved supersaturatedly in the steel by rapid cooling in the over aging treating furnace 5 and next, plating is carried out in the zinc plating bath 4. The above mentioned cooling by alcohol is non-oxidative uniform cooling and also has distinctive features such as stopping cooling at optional sheet temperature etc., is shown. Moreover, cooling speed of the sheet 1 is able to change optionally by controlling dipping time in the tank 3. Both soft zinc plated sheet for deep drawing excellent in mechanical property and high tensile zinc plated sheet, are able to manufacture from zinc hot dipping sheet obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12505678A JPS5554558A (en) | 1978-10-13 | 1978-10-13 | Production of continuous zinc hot dipping steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12505678A JPS5554558A (en) | 1978-10-13 | 1978-10-13 | Production of continuous zinc hot dipping steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5554558A true JPS5554558A (en) | 1980-04-21 |
Family
ID=14900720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12505678A Pending JPS5554558A (en) | 1978-10-13 | 1978-10-13 | Production of continuous zinc hot dipping steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5554558A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4943045A (en) * | 1972-06-09 | 1974-04-23 |
-
1978
- 1978-10-13 JP JP12505678A patent/JPS5554558A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4943045A (en) * | 1972-06-09 | 1974-04-23 |
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