CA2701091A1 - Process for manufacturing a galvannealed steel sheet by dff regulation - Google Patents
Process for manufacturing a galvannealed steel sheet by dff regulation Download PDFInfo
- Publication number
- CA2701091A1 CA2701091A1 CA2701091A CA2701091A CA2701091A1 CA 2701091 A1 CA2701091 A1 CA 2701091A1 CA 2701091 A CA2701091 A CA 2701091A CA 2701091 A CA2701091 A CA 2701091A CA 2701091 A1 CA2701091 A1 CA 2701091A1
- Authority
- CA
- Canada
- Prior art keywords
- steel sheet
- oxide
- process according
- temperature
- soaking
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract 23
- 239000010959 steel Substances 0.000 title claims abstract 23
- 238000000034 method Methods 0.000 title claims abstract 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract 6
- 229910052725 zinc Inorganic materials 0.000 claims abstract 6
- 239000011701 zinc Substances 0.000 claims abstract 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000012535 impurity Substances 0.000 claims abstract 4
- 238000005275 alloying Methods 0.000 claims abstract 3
- 238000005246 galvanizing Methods 0.000 claims abstract 3
- 239000000203 mixture Substances 0.000 claims abstract 3
- 238000003723 Smelting Methods 0.000 claims abstract 2
- 229910052804 chromium Inorganic materials 0.000 claims abstract 2
- 229910052742 iron Inorganic materials 0.000 claims abstract 2
- 229910052759 nickel Inorganic materials 0.000 claims abstract 2
- 230000001590 oxidative effect Effects 0.000 claims abstract 2
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract 2
- 229910052720 vanadium Inorganic materials 0.000 claims abstract 2
- 238000002791 soaking Methods 0.000 claims 8
- 238000010438 heat treatment Methods 0.000 claims 5
- 238000001816 cooling Methods 0.000 claims 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910001566 austenite Inorganic materials 0.000 claims 1
- 229910001563 bainite Inorganic materials 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229910000734 martensite Inorganic materials 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/52—Methods of heating with flames
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous alloys
-
- 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
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
-
- 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
-
- 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
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
- C23C2/26—After-treatment
- C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
-
- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
-
- 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
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
Abstract
The invention deals with a process for manufacturing a hot-dip galvannealed steel sheet having a TRIP microstructure, and comprising, by % by weight, 0.01 <= C <= 0.22%, 0.50 <=
Mn <= 2.0%, 0.5 < Si <= 2.0%, 0.005 <= Al <= 2.0%, Mo < 0.01 %, Cr <=1.0%, P < 0.02%, Ti <= 0.20%, V <= 0.40%, Ni <=
1.0%, Nb <= 0.20%, the balance of the composition being iron and unavoidable impurities resulting from the smelting, said process comprising the steps consisting in: - oxidizing said steel sheet in order to form a layer of iron oxide on the surface of the steel sheet, and to form an.
internal oxide of at least one type of oxide selected from the group consisting of Si oxide, Mn oxide, Al oxide, complex oxide comprising Si and Mn, complex oxide comprising Si and Al complex oxide comprising Al and Mn, and complex comprising Si, Mn and Al, -reducing said oxidized steel sheet in order to reduce the layer of iron oxide, - hot-dip galvanising said reduced steel sheet to form a zinc-based coated steel sheet, and - subjecting said zinc-based coated steel sheet to an alloying treatment to form a galvannealed steel sheet.
Mn <= 2.0%, 0.5 < Si <= 2.0%, 0.005 <= Al <= 2.0%, Mo < 0.01 %, Cr <=1.0%, P < 0.02%, Ti <= 0.20%, V <= 0.40%, Ni <=
1.0%, Nb <= 0.20%, the balance of the composition being iron and unavoidable impurities resulting from the smelting, said process comprising the steps consisting in: - oxidizing said steel sheet in order to form a layer of iron oxide on the surface of the steel sheet, and to form an.
internal oxide of at least one type of oxide selected from the group consisting of Si oxide, Mn oxide, Al oxide, complex oxide comprising Si and Mn, complex oxide comprising Si and Al complex oxide comprising Al and Mn, and complex comprising Si, Mn and Al, -reducing said oxidized steel sheet in order to reduce the layer of iron oxide, - hot-dip galvanising said reduced steel sheet to form a zinc-based coated steel sheet, and - subjecting said zinc-based coated steel sheet to an alloying treatment to form a galvannealed steel sheet.
Claims (11)
1. Process for manufacturing a hot-dip galvannealed steel sheet having a TRIP microstructure comprising ferrite, residual austenite and optionally martensite and/or bainite, said process comprising the steps consisting in:
- providing a steel sheet whose composition comprises, by weight:
0.01 <= C <= 0.22%
0.50 <= Mn <= 2.0%
0.5 < Si <= 2.0%
0.005 <= Al <= 2.0 Mo < 0.01%
Cr <= 1.0%
P < 0.02%
Ti <= 0.20%
V <= 0.40%
Ni <= 1.0%
Nb <= 0.20%, the balance of the composition being iron and unavoidable impurities resulting from the smelting, - oxidizing said steel sheet by heating it from ambient temperature to a temperature T1 between 680 to 800°C, in a direct flame furnace where the atmosphere comprises air and fuel with an air-to-fuel ratio between 1.0 and 1.2 in order to form a layer of iron oxide on the surface of the steel sheet, and to form an internal oxide of at least one type of oxide selected from the group consisting of Si oxide, Mn oxide, Al ;oxide, complex oxide comprising Si and Mn, complex oxide comprising Si and Al, complex oxide comprising Al and Mn, and complex comprising Si, Mn and Al, - reducing said oxidized steel sheet in order to reduce the layer of iron oxide, - hot-dip galvanising said reduced steel sheet to form a zinc-based coated steel sheet, and - subjecting said zinc-based coated steel sheet to an alloying treatment to form a galvannealed steel sheet.
- providing a steel sheet whose composition comprises, by weight:
0.01 <= C <= 0.22%
0.50 <= Mn <= 2.0%
0.5 < Si <= 2.0%
0.005 <= Al <= 2.0 Mo < 0.01%
Cr <= 1.0%
P < 0.02%
Ti <= 0.20%
V <= 0.40%
Ni <= 1.0%
Nb <= 0.20%, the balance of the composition being iron and unavoidable impurities resulting from the smelting, - oxidizing said steel sheet by heating it from ambient temperature to a temperature T1 between 680 to 800°C, in a direct flame furnace where the atmosphere comprises air and fuel with an air-to-fuel ratio between 1.0 and 1.2 in order to form a layer of iron oxide on the surface of the steel sheet, and to form an internal oxide of at least one type of oxide selected from the group consisting of Si oxide, Mn oxide, Al ;oxide, complex oxide comprising Si and Mn, complex oxide comprising Si and Al, complex oxide comprising Al and Mn, and complex comprising Si, Mn and Al, - reducing said oxidized steel sheet in order to reduce the layer of iron oxide, - hot-dip galvanising said reduced steel sheet to form a zinc-based coated steel sheet, and - subjecting said zinc-based coated steel sheet to an alloying treatment to form a galvannealed steel sheet.
2. Process according to claim 1, wherein said steel sheet comprises, in %
by weight, P < 0Ø 10%.
by weight, P < 0Ø 10%.
3. Process according to claim 1 or 2, wherein said steel sheet comprises, in % by weight, Mo <= 0.006%.
4. Process according to any one of claims 1 to 3, wherein the reduction of.
said oxidized steel sheet consists of a heat treatment performed in an atmosphere comprising more than 15% by volume of hydrogen, the balance being nitrogen and unavoidable impurities, said heat treatment comprising a heating phase from the temperature T1 to a soaking temperature T2, a soaking phase at said soaking temperature T2 for a soaking time t2, and a cooling phase from said soaking temperature T2 to a cooling temperature T3.
said oxidized steel sheet consists of a heat treatment performed in an atmosphere comprising more than 15% by volume of hydrogen, the balance being nitrogen and unavoidable impurities, said heat treatment comprising a heating phase from the temperature T1 to a soaking temperature T2, a soaking phase at said soaking temperature T2 for a soaking time t2, and a cooling phase from said soaking temperature T2 to a cooling temperature T3.
5. Process according to claims 4, wherein said soaking temperature T2 is between 770 and 850 °C.
6. Process according to claim 4 or 5, wherein said soaking time t2 is between 20 and 180 s.
7. Process according to any one of claims 4 to 6, wherein said cooling temperature T3 is between 460 to 510°C.
8. Process according to any one of claims 3 to 7, wherein said reduction is performed in a radiant tube furnace or in a resistance furnace.
9. Process according to, any one of claims 1 to 8, wherein the hot-dip galvanizing is performed by hot-dipping said reduced steel sheet in a molten bath comprising 0.08 to 0.135% by weight of aluminium, the balance being zinc and unavoidable impurities.
10. Process according to claim 9, wherein the temperature of said molten bath is between 450 and 500°C.
11. Process according to any one of claims 1 to 10, wherein said alloying treatment is performed by heating said zinc-based coated steel sheet at a temperature T4 between 460 and 510°C for a soaking time t4 between and 30 s.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07290816A EP2009129A1 (en) | 2007-06-29 | 2007-06-29 | Process for manufacturing a galvannealed steel sheet by DFF regulation |
| EP07290816.3 | 2007-06-29 | ||
| PCT/IB2008/001462 WO2009004425A1 (en) | 2007-06-29 | 2008-06-06 | Process for manufacturing a galvannealed steel sheet by dff regulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2701091A1 true CA2701091A1 (en) | 2009-01-08 |
| CA2701091C CA2701091C (en) | 2012-04-17 |
Family
ID=38608886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2701091A Active CA2701091C (en) | 2007-06-29 | 2008-06-06 | Process for manufacturing a galvannealed steel sheet by dff regulation |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20100193081A1 (en) |
| EP (2) | EP2009129A1 (en) |
| JP (2) | JP5713673B2 (en) |
| KR (1) | KR101273308B1 (en) |
| CN (1) | CN101809182B (en) |
| AR (1) | AR067339A1 (en) |
| AT (1) | ATE521726T1 (en) |
| BR (1) | BRPI0813687B1 (en) |
| CA (1) | CA2701091C (en) |
| ES (1) | ES2371985T3 (en) |
| PL (1) | PL2171116T3 (en) |
| RU (1) | RU2451107C2 (en) |
| WO (1) | WO2009004425A1 (en) |
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|---|---|---|---|---|
| CN102791901B (en) * | 2009-12-29 | 2015-05-06 | Posco公司 | Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same |
| KR20120075260A (en) | 2010-12-28 | 2012-07-06 | 주식회사 포스코 | Hot dip plated steel sheet excellent in plating adhesiveness and method for manufacturing the hot dip plated steel sheet |
| BR112014007530B1 (en) * | 2011-09-30 | 2018-12-11 | Nippon Steel & Sumitomo Metal Corporation | high strength hot dip galvanized steel sheet and process for producing it |
| KR20130076589A (en) * | 2011-12-28 | 2013-07-08 | 주식회사 포스코 | High strength galvanized steel sheet having excellent surface property and coating adhesion method for manufacturing the same |
| KR101657862B1 (en) * | 2012-04-17 | 2016-09-19 | 제이에프이 스틸 가부시키가이샤 | Method for producing alloyed hot-dip galvanized steel sheet having excellent adhesion to plating and excellent sliding properties |
| WO2014037627A1 (en) * | 2012-09-06 | 2014-03-13 | Arcelormittal Investigación Y Desarrollo Sl | Process for manufacturing press-hardened coated steel parts and precoated sheets allowing these parts to be manufactured |
| CN103805840B (en) * | 2012-11-15 | 2016-12-21 | 宝山钢铁股份有限公司 | A kind of high formability galvanizing ultrahigh-strength steel plates and manufacture method thereof |
| JP5920249B2 (en) * | 2013-03-05 | 2016-05-18 | Ｊｆｅスチール株式会社 | High strength hot-dip galvanized steel sheet with excellent plating adhesion and method for producing the same |
| WO2014135753A1 (en) | 2013-03-06 | 2014-09-12 | Arcelormittal Investigacion Y Desarrollo, S.L. | A method for manufacturing a metal sheet with a znal coating and with optimised drying, corresponding metal sheet, part and vehicle |
| RU2018134251A (en) * | 2013-05-17 | 2019-03-20 | Ак Стил Пропертиз, Инк. | STEEL WITH ZINC COATING FOR HARDENING UNDER PRESS, APPLICATION AND METHOD OF MANUFACTURE |
| WO2015001367A1 (en) | 2013-07-04 | 2015-01-08 | Arcelormittal Investigación Y Desarrollo Sl | Cold rolled steel sheet, method of manufacturing and vehicle |
| JP5799996B2 (en) * | 2013-09-12 | 2015-10-28 | Ｊｆｅスチール株式会社 | Hot-dip galvanized steel sheet, alloyed hot-dip galvanized steel sheet excellent in appearance and plating adhesion, and methods for producing them |
| MA39029B2 (en) * | 2013-12-10 | 2019-08-30 | Arcelormittal | Annealing process for steel sheets |
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| CN113969336B (en) | 2020-07-23 | 2023-03-28 | 宝山钢铁股份有限公司 | Method for manufacturing hot-dip galvanized steel sheet, steel sheet and vehicle member |
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| CN102260842B (en) * | 2004-12-21 | 2013-12-25 | 株式会社神户制钢所 | Method and facility for hot dip zinc plating |
| JP4741376B2 (en) * | 2005-01-31 | 2011-08-03 | 新日本製鐵株式会社 | High-strength galvannealed steel sheet with good appearance, manufacturing method and manufacturing equipment thereof |
| JP4619404B2 (en) * | 2005-03-30 | 2011-01-26 | 新日本製鐵株式会社 | Hot-rolled steel sheet manufacturing method |
| JP4644077B2 (en) * | 2005-09-05 | 2011-03-02 | 新日本製鐵株式会社 | Hot-dip galvanized high-strength steel sheet and alloyed hot-dip galvanized high-strength steel sheet excellent in corrosion resistance and formability, and methods for producing them |
| WO2007064172A1 (en) * | 2005-12-01 | 2007-06-07 | Posco | Steel sheet for hot press forming having excellent heat treatment and impact property, hot press parts made of it and the method for manufacturing thereof |
| US8025982B2 (en) * | 2005-12-06 | 2011-09-27 | Kobe Steel, Ltd. | High-strength hot dip galvannealed steel sheet having high powdering resistance and method for producing the same |
-
2007
- 2007-06-29 EP EP07290816A patent/EP2009129A1/en not_active Withdrawn
-
2008
- 2008-06-06 AT AT08762800T patent/ATE521726T1/en active
- 2008-06-06 ES ES08762800T patent/ES2371985T3/en active Active
- 2008-06-06 US US12/666,702 patent/US20100193081A1/en not_active Abandoned
- 2008-06-06 KR KR1020107001332A patent/KR101273308B1/en active IP Right Grant
- 2008-06-06 CN CN200880025372.2A patent/CN101809182B/en active Active
- 2008-06-06 BR BRPI0813687A patent/BRPI0813687B1/en active IP Right Grant
- 2008-06-06 JP JP2010514160A patent/JP5713673B2/en active Active
- 2008-06-06 CA CA2701091A patent/CA2701091C/en active Active
- 2008-06-06 EP EP08762800A patent/EP2171116B1/en active Active
- 2008-06-06 PL PL08762800T patent/PL2171116T3/en unknown
- 2008-06-06 WO PCT/IB2008/001462 patent/WO2009004425A1/en active Application Filing
- 2008-06-06 RU RU2010102924/02A patent/RU2451107C2/en active
- 2008-06-27 AR ARP080102782A patent/AR067339A1/en active IP Right Grant
-
2014
- 2014-11-07 JP JP2014227461A patent/JP2015078438A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AR067339A1 (en) | 2009-10-07 |
| EP2171116B1 (en) | 2011-08-24 |
| BRPI0813687A8 (en) | 2015-12-15 |
| ATE521726T1 (en) | 2011-09-15 |
| KR20100055389A (en) | 2010-05-26 |
| JP2015078438A (en) | 2015-04-23 |
| RU2010102924A (en) | 2011-08-10 |
| BRPI0813687A2 (en) | 2014-12-30 |
| EP2009129A1 (en) | 2008-12-31 |
| CN101809182A (en) | 2010-08-18 |
| CA2701091C (en) | 2012-04-17 |
| WO2009004425A1 (en) | 2009-01-08 |
| JP5713673B2 (en) | 2015-05-07 |
| BRPI0813687B1 (en) | 2018-10-30 |
| CN101809182B (en) | 2015-08-05 |
| KR101273308B1 (en) | 2013-06-11 |
| RU2451107C2 (en) | 2012-05-20 |
| EP2171116A1 (en) | 2010-04-07 |
| ES2371985T3 (en) | 2012-01-12 |
| PL2171116T3 (en) | 2012-01-31 |
| US20100193081A1 (en) | 2010-08-05 |
| JP2010532820A (en) | 2010-10-14 |
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