JP5655955B2 - 鋼帯の連続焼鈍方法、鋼帯の連続焼鈍装置、溶融亜鉛めっき鋼帯の製造方法及び溶融亜鉛めっき鋼帯の製造装置 - Google Patents
鋼帯の連続焼鈍方法、鋼帯の連続焼鈍装置、溶融亜鉛めっき鋼帯の製造方法及び溶融亜鉛めっき鋼帯の製造装置 Download PDFInfo
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- 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
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0473—Final recrystallisation annealing
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- 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
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
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- 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
- C21D6/00—Heat treatment of ferrous alloys
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- 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
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- 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
- C21D9/562—Details
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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- 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
- C23C2/0035—Means for continuously moving substrate through, into or out of the bath
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- 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
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- 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
- C23C2/004—Snouts
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- 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
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- 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
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- 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
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- 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
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- 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
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/20—Strips; Plates
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Coating With Molten Metal (AREA)
Description
i)還元がおこる温度域が500℃〜600℃であること。
ii)Si、Mn等の易酸化元素が酸化し、不めっき等のめっき性阻害要因である表面濃化(不めっき等のめっき性阻害要因)が起こるのは700℃以上であること。
◎:合格(表面美麗で外板レベルの品質)、○:合格(内板レベルの品質)、△:微小欠陥あり(不めっき等)、×:重大欠陥あり(不めっき大)、不合格
結果を表2、表3に示す。
2 焼鈍炉
3 加熱帯
4 均熱帯
5 冷却帯
6 スナウト
7 めっき浴
8 ワイピングノズル
9 加熱装置
11 隔壁
12 隔壁の開口部
13 炉入側の開口部
14 温度計
15 リファイナ
Claims (4)
- 鋼帯を上下方向に搬送する加熱帯、均熱帯を備え、前記加熱帯〜前記均熱帯内に炉内の雰囲気を分離する隔壁が設けられ、炉外より雰囲気ガスを炉内に供給し、炉内ガスを加熱帯下部の鋼帯導入部から排出するとともに、炉内ガスの一部を吸引して炉外に設けた脱酸素装置と除湿装置を有するリファイナに排出してガス中の酸素と水分を除去して露点を低下し、露点を低下したガスを炉内に戻すように構成された縦型焼鈍炉で鋼帯を焼鈍する際に、前記隔壁通過位置の鋼帯温度が550〜700℃になるように制御することを特徴とする鋼帯の連続焼鈍方法。
- 鋼帯を上下方向に搬送する加熱帯、均熱帯を備え、前記加熱帯〜前記均熱帯内に炉内の雰囲気を分離する隔壁が設けられ、炉外より雰囲気ガスを炉内に供給し、炉内ガスを加熱帯下部の鋼帯導入部から排出するとともに、炉内ガスの一部を吸引して炉外に設けた脱酸素装置と除湿装置を有するリファイナに排出してガス中の酸素と水分を除去して露点を低下し、露点を低下したガスを炉内に戻すように構成された縦型焼鈍炉であって、前記隔壁通過位置の鋼帯温度が550〜700℃になるように隔壁を配置したことを特徴とする鋼帯の連続焼鈍装置。
- 請求項1に記載の連続焼鈍方法で鋼帯を焼鈍した後、溶融亜鉛めっきすることを特徴とする溶融亜鉛めっき鋼帯の製造方法。
- 請求項2に記載の連続焼鈍装置の下流に溶融亜鉛めっき装置を備えることを特徴とする溶融亜鉛めっき鋼帯の製造装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013543074A JP5655955B2 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法、鋼帯の連続焼鈍装置、溶融亜鉛めっき鋼帯の製造方法及び溶融亜鉛めっき鋼帯の製造装置 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012133615 | 2012-06-13 | ||
| JP2012133615 | 2012-06-13 | ||
| JP2013543074A JP5655955B2 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法、鋼帯の連続焼鈍装置、溶融亜鉛めっき鋼帯の製造方法及び溶融亜鉛めっき鋼帯の製造装置 |
| PCT/JP2013/003629 WO2013187039A1 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法、鋼帯の連続焼鈍装置、溶融亜鉛めっき鋼帯の製造方法及び溶融亜鉛めっき鋼帯の製造装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP5655955B2 true JP5655955B2 (ja) | 2015-01-21 |
| JPWO2013187039A1 JPWO2013187039A1 (ja) | 2016-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2013543074A Active JP5655955B2 (ja) | 2012-06-13 | 2013-06-10 | 鋼帯の連続焼鈍方法、鋼帯の連続焼鈍装置、溶融亜鉛めっき鋼帯の製造方法及び溶融亜鉛めっき鋼帯の製造装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10590509B2 (ja) |
| EP (1) | EP2862946B1 (ja) |
| JP (1) | JP5655955B2 (ja) |
| KR (1) | KR101642632B1 (ja) |
| CN (1) | CN104379776B (ja) |
| WO (1) | WO2013187039A1 (ja) |
Cited By (3)
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| US20170130296A1 (en) * | 2014-07-07 | 2017-05-11 | Jfe Steel Corporation | Method of producing galvannealed steel sheet |
| US20180051356A1 (en) * | 2015-01-08 | 2018-02-22 | Jfe Steel Corporation | Method of producing galvannealed steel sheet |
| CN109988893A (zh) * | 2019-04-26 | 2019-07-09 | 宝钢湛江钢铁有限公司 | 一种减少纳米氧化物生成的连退工艺 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5790898B1 (ja) * | 2013-11-07 | 2015-10-07 | Jfeスチール株式会社 | 連続焼鈍設備および連続焼鈍方法 |
| FR3014447B1 (fr) * | 2013-12-05 | 2016-02-05 | Fives Stein | Procede et installation de traitement thermique en continu d'une bande d'acier |
| JP6128068B2 (ja) * | 2014-07-07 | 2017-05-17 | Jfeスチール株式会社 | 合金化溶融亜鉛めっき鋼板の製造方法 |
| WO2017182833A1 (en) | 2016-04-19 | 2017-10-26 | Arcelormittal | Method for producing a metallic coated steel sheet |
| JP7073162B2 (ja) * | 2018-03-29 | 2022-05-23 | 株式会社神戸製鋼所 | 竪型連続焼鈍炉及び焼鈍方法 |
| AT524148B1 (de) * | 2020-08-20 | 2022-08-15 | Nntech Gmbh | Verfahren zur Herstellung eines Elektrobands |
| EP4324946A4 (en) * | 2021-06-25 | 2024-10-30 | JFE Steel Corporation | METHOD FOR PREDICTING NON-PLATING DEFECT OF STEEL SHEET, METHOD FOR REDUCING DEFECT OF STEEL SHEET, METHOD FOR MANUFACTURING HOT-DIP GALVANIZED STEEL SHEET, AND METHOD FOR GENERATING STEEL SHEET NON-PLATING DEFECT PREDICTION MODEL |
| KR20240019292A (ko) * | 2021-07-14 | 2024-02-14 | 제이에프이 스틸 가부시키가이샤 | 용융 아연 도금 강판의 제조 방법 |
| CN115613030B (zh) * | 2022-05-05 | 2024-10-18 | 首钢集团有限公司 | 一种具有优良表面质量的汽车用含磷镀锌钢的生产方法 |
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- 2013-06-10 US US14/405,071 patent/US10590509B2/en active Active
- 2013-06-10 CN CN201380030809.2A patent/CN104379776B/zh active Active
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| US20180051356A1 (en) * | 2015-01-08 | 2018-02-22 | Jfe Steel Corporation | Method of producing galvannealed steel sheet |
| CN109988893A (zh) * | 2019-04-26 | 2019-07-09 | 宝钢湛江钢铁有限公司 | 一种减少纳米氧化物生成的连退工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150013807A (ko) | 2015-02-05 |
| US10590509B2 (en) | 2020-03-17 |
| CN104379776B (zh) | 2016-07-06 |
| EP2862946B1 (en) | 2019-03-06 |
| WO2013187039A1 (ja) | 2013-12-19 |
| EP2862946A4 (en) | 2015-06-03 |
| CN104379776A (zh) | 2015-02-25 |
| US20150167113A1 (en) | 2015-06-18 |
| KR101642632B1 (ko) | 2016-07-25 |
| JPWO2013187039A1 (ja) | 2016-02-04 |
| EP2862946A1 (en) | 2015-04-22 |
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