KR20170054512A - 고강도 용융 아연 도금 강판 - Google Patents
고강도 용융 아연 도금 강판 Download PDFInfo
- Publication number
- KR20170054512A KR20170054512A KR1020177010251A KR20177010251A KR20170054512A KR 20170054512 A KR20170054512 A KR 20170054512A KR 1020177010251 A KR1020177010251 A KR 1020177010251A KR 20177010251 A KR20177010251 A KR 20177010251A KR 20170054512 A KR20170054512 A KR 20170054512A
- Authority
- KR
- South Korea
- Prior art keywords
- less
- steel sheet
- hot
- dip galvanized
- plating
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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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
- C23C2/04—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
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- C—CHEMISTRY; METALLURGY
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- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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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
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- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0278—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C—ALLOYS
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- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C—CHEMISTRY; METALLURGY
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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
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- C—CHEMISTRY; METALLURGY
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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
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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
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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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Abstract
특정의 조성으로 이루어지고, 마르텐사이트 면적률이 7% 이상 25% 미만, 페라이트 면적률이 50% 이상인 조직을 갖고, 지철 표층부의 내부 산화량이 편면당 0.05g/㎡ 이하인 냉연 강판과, 당해 냉연 강판 상에 형성되고, 0.12g/㎡ 이상 0.22g/㎡ 이하의 Al을 포함하고, 또한 평균 입경 1.0㎛ 미만의 Fe2Al5를 포함하는 금속간 화합물과, 당해 금속간 화합물 상에 형성되고, 0.3%≤Al%≤0.6%(Al%는, 용융 아연 도금층의 Al의 함유량(질량%)을 나타냄)를 함유하고, 표면 거칠기 Ra가 0.8㎛ 이상 1.6㎛ 이하이고, 광택도(G값)가 550 이상 750 이하이고, 아연 기저면 배향률 Zn(002)/(004)이 60% 이상 90% 이하인 용융 아연 도금층을 갖도록 한다.
Description
Claims (1)
- 질량%로, C: 0.06% 이상 0.09% 이하, Si: 0.30% 이하, Mn: 1.7% 이상 2.3% 이하, P: 0.001% 이상 0.020% 이하, S: 0.010% 이하, Mo: 0.05% 이상 0.30% 이하, N: 0.005% 이하, Al: 0.01% 이상 0.10% 이하를 함유하고, 잔부가 Fe 및 불가피 불순물의 조성으로 이루어지고,
마르텐사이트 면적률이 7% 이상 25% 미만, 페라이트 면적률이 50% 이상인 조직을 갖고,
지철 표층부의 내부 산화량이 편면당 0.05g/㎡ 이하인 냉연 강판과,
당해 냉연 강판 상에 형성된 0.12g/㎡ 이상 0.22g/㎡ 이하의 Al을 포함하고, 또한 평균 입경 1.0㎛ 미만의 Fe2Al5를 포함하는 금속간 화합물과,
당해 금속간 화합물 상에 형성되고,
0.3%≤Al%≤0.6%(Al%는, 용융 아연 도금층의 Al의 함유량(질량%)을 나타냄)를 함유하고,
표면 거칠기 Ra가 0.8㎛ 이상 1.6㎛ 이하이고,
광택도(G값)가 550 이상 750 이하이고,
이하의 식 (1)로 규정되는 아연 기저면 배향률 Zn(002)/(004)이 60% 이상 90% 이하인 용융 아연 도금층을 갖는 고강도 용융 아연 도금 강판.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014212143 | 2014-10-17 | ||
| JPJP-P-2014-212143 | 2014-10-17 | ||
| PCT/JP2015/004136 WO2016059741A1 (ja) | 2014-10-17 | 2015-08-19 | 高強度溶融亜鉛めっき鋼板 |
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| Publication Number | Publication Date |
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| KR20170054512A true KR20170054512A (ko) | 2017-05-17 |
| KR101897054B1 KR101897054B1 (ko) | 2018-09-10 |
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| EP (1) | EP3178960B1 (ko) |
| JP (1) | JP5907323B1 (ko) |
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| JP6772930B2 (ja) * | 2017-03-30 | 2020-10-21 | Jfeスチール株式会社 | 溶融亜鉛めっき鋼板および溶融亜鉛めっき鋼板の製造方法 |
| KR102031466B1 (ko) | 2017-12-26 | 2019-10-11 | 주식회사 포스코 | 표면품질 및 내식성이 우수한 아연합금도금강재 및 그 제조방법 |
| JP7160204B2 (ja) * | 2019-07-02 | 2022-10-25 | 日本製鉄株式会社 | ホットスタンプ成形体 |
| CN117441036B (zh) * | 2021-05-31 | 2026-01-02 | 日本制铁株式会社 | 钢板 |
| CN117344225B (zh) * | 2022-06-27 | 2026-04-10 | 宝山钢铁股份有限公司 | 一种高表面光泽度的冷轧热镀锌钢板及其制造方法 |
| WO2024167020A1 (ja) * | 2023-02-09 | 2024-08-15 | 日本製鉄株式会社 | Zn-Al-Mg系溶融めっき鋼部材 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004315965A (ja) | 2003-03-28 | 2004-11-11 | Jfe Steel Kk | スポット溶接性及びプレス加工時の摺動性に優れた溶融亜鉛めっき鋼板及びその製造方法 |
| WO2014068889A1 (ja) * | 2012-10-31 | 2014-05-08 | Jfeスチール株式会社 | 溶融亜鉛めっき鋼板 |
| WO2014103279A1 (ja) * | 2012-12-27 | 2014-07-03 | Jfeスチール株式会社 | 溶融亜鉛めっき鋼板 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2009128A1 (en) * | 2007-06-29 | 2008-12-31 | ArcelorMittal France | Galvanized or galvannealed silicon steel |
| ES2725325T3 (es) * | 2011-09-30 | 2019-09-23 | Nippon Steel Corp | Chapa de acero galvanizado por inmersión en caliente de alta resistencia |
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- 2015-08-19 EP EP15850575.0A patent/EP3178960B1/en not_active Not-in-force
- 2015-08-19 CN CN201580055851.9A patent/CN106795612B/zh active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004315965A (ja) | 2003-03-28 | 2004-11-11 | Jfe Steel Kk | スポット溶接性及びプレス加工時の摺動性に優れた溶融亜鉛めっき鋼板及びその製造方法 |
| WO2014068889A1 (ja) * | 2012-10-31 | 2014-05-08 | Jfeスチール株式会社 | 溶融亜鉛めっき鋼板 |
| WO2014103279A1 (ja) * | 2012-12-27 | 2014-07-03 | Jfeスチール株式会社 | 溶融亜鉛めっき鋼板 |
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| Publication number | Publication date |
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| EP3178960B1 (en) | 2019-05-22 |
| US20170247783A1 (en) | 2017-08-31 |
| EP3178960A4 (en) | 2017-08-02 |
| JP5907323B1 (ja) | 2016-04-26 |
| EP3178960A1 (en) | 2017-06-14 |
| MX370648B (es) | 2019-12-19 |
| WO2016059741A1 (ja) | 2016-04-21 |
| US9963771B2 (en) | 2018-05-08 |
| CN106795612B (zh) | 2019-06-04 |
| JPWO2016059741A1 (ja) | 2017-04-27 |
| KR101897054B1 (ko) | 2018-09-10 |
| MX2017004854A (es) | 2017-06-22 |
| CN106795612A (zh) | 2017-05-31 |
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