JP7427669B2 - 耐食性が向上したフェライト系ステンレス鋼及びその製造方法 - Google Patents
耐食性が向上したフェライト系ステンレス鋼及びその製造方法 Download PDFInfo
- Publication number
- JP7427669B2 JP7427669B2 JP2021531291A JP2021531291A JP7427669B2 JP 7427669 B2 JP7427669 B2 JP 7427669B2 JP 2021531291 A JP2021531291 A JP 2021531291A JP 2021531291 A JP2021531291 A JP 2021531291A JP 7427669 B2 JP7427669 B2 JP 7427669B2
- Authority
- JP
- Japan
- Prior art keywords
- stainless steel
- less
- corrosion resistance
- excluded
- ferritic stainless
- 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.)
- Active
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims description 96
- 230000007797 corrosion Effects 0.000 title claims description 74
- 238000005260 corrosion Methods 0.000 title claims description 74
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 239000011651 chromium Substances 0.000 claims description 102
- 239000010935 stainless steel Substances 0.000 claims description 48
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 36
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 32
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 24
- 229910017604 nitric acid Inorganic materials 0.000 claims description 24
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 22
- 238000007654 immersion Methods 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000011282 treatment Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 239000000243 solution Substances 0.000 description 28
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 14
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 11
- 238000004090 dissolution Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000011572 manganese Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000010828 elution Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000005275 alloying Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 6
- 239000010955 niobium Substances 0.000 description 6
- 239000010953 base metal Substances 0.000 description 5
- 238000005097 cold rolling Methods 0.000 description 5
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- -1 carbon Chemical compound 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- GVEHJMMRQRRJPM-UHFFFAOYSA-N chromium(2+);methanidylidynechromium Chemical compound [Cr+2].[Cr]#[C-].[Cr]#[C-] GVEHJMMRQRRJPM-UHFFFAOYSA-N 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/38—Chromatising
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/06—Etching of iron or steel
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Description
Claims (9)
- 重量%で、C:0.02%以下(0は除外)、N:0.02%以下(0は除外)、Si:0.5%以下(0は除外)、Mn:0.3%以下(0は除外)、Cr:16~20%、Ni:0.4%以下(0は除外)、残りはFe及び不可避な不純物からなるステンレス母材、及び
前記ステンレス母材上に形成された不働態皮膜を含み、
前記不働態皮膜の表面から3nmの間の厚さ領域のCr重量%の含量が前記ステンレス母材のCr重量%の含量に比べて1.3倍以上であり、孔食電位が378mV sce 以上であることを特徴とする耐食性が向上されたフェライト系ステンレス鋼。 - Ti:0.4%以下及びNb:0.5%以下のうち1種以上をさらに含むことを特徴とする請求項1に記載の耐食性が向上されたフェライト系ステンレス鋼。
- 不働態皮膜の厚さは、3~5nmであることを特徴とする請求項1に記載の耐食性が向上されたフェライト系ステンレス鋼。
- 重量%で、C:0.02%以下(0は除外)、N:0.02%以下(0は除外)、Si:0.5%以下(0は除外)、Mn:0.3%以下(0は除外)、Cr:16~20%、Ni:0.4%以下(0は除外)、残りはFe及び不可避な不純物からなるステンレス鋼を製造するステップ、
前記ステンレス鋼の表面にクロム濃化層を形成するステップ、及び
硝酸又は硝酸及びフッ酸を含む混酸溶液に浸漬して新しい不働態皮膜を形成するステップ、を含む、不働態皮膜の表面から3nmの間の厚さ領域のCr重量%の含量が前記ステンレス母材のCr重量%の含量に比べて1.3倍以上であることを特徴とする耐食性が向上されたフェライト系ステンレス鋼の製造方法。 - 前記クロム濃化層を形成するステップは、10~20%濃度の硫酸溶液で電解処理することを特徴とする請求項4に記載の耐食性が向上されたフェライト系ステンレス鋼の製造方法。
- 前記電解処理の電流密度は、0.1~0.6A/cm2であることを特徴とする請求項5に記載の耐食性が向上されたフェライト系ステンレス鋼の製造方法。
- 前記クロム濃化層を形成するステップは、10~15%濃度の塩酸溶液に20~40秒浸漬することを特徴とする請求項4に記載の耐食性が向上されたフェライト系ステンレス鋼の製造方法。
- 硝酸溶液の濃度は、10~20%であることを特徴とする請求項4に記載の耐食性が向上されたフェライト系ステンレス鋼の製造方法。
- 前記混酸溶液は、10~20%濃度の硝酸と5%以下濃度のフッ酸で用意されることを特徴とする請求項4に記載の耐食性が向上されたフェライト系ステンレス鋼の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0151017 | 2018-11-29 | ||
KR1020180151017A KR102146317B1 (ko) | 2018-11-29 | 2018-11-29 | 내식성이 향상된 페라이트계 스테인리스강 및 그 제조 방법 |
PCT/KR2019/014743 WO2020111546A1 (ko) | 2018-11-29 | 2019-11-01 | 내식성이 향상된 페라이트계 스테인리스강 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022509863A JP2022509863A (ja) | 2022-01-24 |
JP7427669B2 true JP7427669B2 (ja) | 2024-02-05 |
Family
ID=70854070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021531291A Active JP7427669B2 (ja) | 2018-11-29 | 2019-11-01 | 耐食性が向上したフェライト系ステンレス鋼及びその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220010451A1 (ja) |
EP (1) | EP3872218A4 (ja) |
JP (1) | JP7427669B2 (ja) |
KR (1) | KR102146317B1 (ja) |
CN (1) | CN113166894B (ja) |
CA (1) | CA3121216A1 (ja) |
WO (1) | WO2020111546A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102665422B1 (ko) * | 2019-01-25 | 2024-05-10 | 엘지이노텍 주식회사 | 디스플레이용 기판 |
CN115044839B (zh) * | 2022-08-12 | 2022-11-15 | 浦项(张家港)不锈钢股份有限公司 | 一种具有耐高温氧化表面的不锈钢带、制造方法及应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009167486A (ja) | 2008-01-18 | 2009-07-30 | Nisshin Steel Co Ltd | 電池構成部材用フェライト系ステンレス鋼 |
JP2010127749A (ja) | 2008-11-27 | 2010-06-10 | Kobe Steel Ltd | 鋼材の耐スポーリング性評価方法 |
WO2011114963A1 (ja) | 2010-03-17 | 2011-09-22 | 新日鐵住金ステンレス株式会社 | 溶接部の特性に優れたマルテンサイトステンレス鋼およびマルテンサイトステンレス鋼材 |
JP2016191094A (ja) | 2015-03-30 | 2016-11-10 | 新日鐵住金ステンレス株式会社 | レーザ溶接部の特性が良好な省合金二相ステンレス鋼レーザ溶接部材および省合金二相ステンレス鋼レーザ溶接部材の製造方法 |
JP2017155311A (ja) | 2016-03-04 | 2017-09-07 | 新日鐵住金株式会社 | 高耐食性合金材の製造方法 |
JP2018145484A (ja) | 2017-03-06 | 2018-09-20 | 日新製鋼株式会社 | 耐食性及び曲げ加工性に優れた高強度の複相ステンレス鋼材 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55111079A (en) * | 1979-02-20 | 1980-08-27 | Matsushita Electric Ind Co Ltd | Capacity recovery method in lead acid battery |
JP3018913B2 (ja) * | 1994-08-23 | 2000-03-13 | 住友金属工業株式会社 | 耐食性に優れた自動車排気系機器用フェライトステンレス鋼板の製造方法 |
JP3477957B2 (ja) * | 1995-11-24 | 2003-12-10 | Jfeスチール株式会社 | 200〜400℃の高温酸化環境下での耐食性に優れたフェライト系ステンレス鋼 |
US6149744A (en) * | 1997-10-28 | 2000-11-21 | Kawasaki Steel Corporation | Method of making austenitic stainless steel sheet |
JP2010106305A (ja) * | 2008-10-29 | 2010-05-13 | Nisshin Steel Co Ltd | 電池構成部材用ステンレス鋼およびその製造方法 |
KR101073262B1 (ko) * | 2008-12-23 | 2011-10-12 | 주식회사 포스코 | 니오븀 첨가 페라이트계 스테인리스강의 산세방법 |
KR100993412B1 (ko) * | 2008-12-29 | 2010-11-09 | 주식회사 포스코 | 고분자 연료전지 분리판용 스테인리스강 및 그 제조방법 |
JP5709594B2 (ja) * | 2011-03-14 | 2015-04-30 | 新日鐵住金ステンレス株式会社 | 耐銹性と防眩性に優れた高純度フェライト系ステンレス鋼板 |
KR101423823B1 (ko) * | 2012-06-28 | 2014-07-25 | 주식회사 포스코 | 내식성 및 내리징성이 향상된 저크롬 페라이트계 스테인리스강 |
JP5716054B2 (ja) * | 2012-07-13 | 2015-05-13 | 新日鐵住金ステンレス株式会社 | 酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板 |
JP6106450B2 (ja) * | 2013-02-12 | 2017-03-29 | 新日鐵住金ステンレス株式会社 | 耐テンパーカラー性と加工性に優れた高純度フェライト系ステンレス鋼板およびその製造方法 |
JP2016128591A (ja) * | 2013-03-26 | 2016-07-14 | 新日鐵住金ステンレス株式会社 | 溶接部靭性と耐水漏れ性に優れる貯湯・貯水容器用フェライト系ステンレス鋼およびその製造方法 |
EP2987888B1 (en) * | 2013-07-30 | 2018-02-28 | JFE Steel Corporation | Ferritic stainless steel foil |
JP6159208B2 (ja) * | 2013-09-25 | 2017-07-05 | 日新製鋼株式会社 | ステンレス鋼製リチウムイオン二次電池電解液保管容器 |
KR101798406B1 (ko) * | 2015-09-22 | 2017-11-17 | 주식회사 포스코 | 연료전지 분리판용 스테인리스강 및 이의 제조 방법 |
US10930940B2 (en) * | 2016-06-10 | 2021-02-23 | Jfe Steel Corporation | Stainless steel sheet for fuel cell separators, and production method therefor |
JP6301402B2 (ja) * | 2016-07-01 | 2018-03-28 | 日新製鋼株式会社 | フェライト系ステンレス鋼板およびその製造方法 |
KR101788466B1 (ko) * | 2016-08-10 | 2017-10-19 | 현대비앤지스틸 주식회사 | 표면 광택성 및 내식성이 우수한 스테인리스 강 제조 방법 |
CN106282833A (zh) * | 2016-08-18 | 2017-01-04 | 江苏锦阳不锈钢制品有限公司 | 一种耐腐蚀高强度不锈钢材料及其制造方法 |
KR101879067B1 (ko) * | 2016-12-13 | 2018-07-16 | 주식회사 포스코 | 페라이트계 스테인리스 냉연강판의 소둔 및 산세 방법 |
CN106756628A (zh) * | 2017-01-06 | 2017-05-31 | 江苏星火特钢有限公司 | 一种高硅含氮奥氏体不锈钢及其制备方法 |
-
2018
- 2018-11-29 KR KR1020180151017A patent/KR102146317B1/ko active IP Right Grant
-
2019
- 2019-11-01 CN CN201980078602.XA patent/CN113166894B/zh active Active
- 2019-11-01 WO PCT/KR2019/014743 patent/WO2020111546A1/ko unknown
- 2019-11-01 CA CA3121216A patent/CA3121216A1/en active Pending
- 2019-11-01 EP EP19889398.4A patent/EP3872218A4/en active Pending
- 2019-11-01 US US17/296,300 patent/US20220010451A1/en active Pending
- 2019-11-01 JP JP2021531291A patent/JP7427669B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009167486A (ja) | 2008-01-18 | 2009-07-30 | Nisshin Steel Co Ltd | 電池構成部材用フェライト系ステンレス鋼 |
JP2010127749A (ja) | 2008-11-27 | 2010-06-10 | Kobe Steel Ltd | 鋼材の耐スポーリング性評価方法 |
WO2011114963A1 (ja) | 2010-03-17 | 2011-09-22 | 新日鐵住金ステンレス株式会社 | 溶接部の特性に優れたマルテンサイトステンレス鋼およびマルテンサイトステンレス鋼材 |
JP2016191094A (ja) | 2015-03-30 | 2016-11-10 | 新日鐵住金ステンレス株式会社 | レーザ溶接部の特性が良好な省合金二相ステンレス鋼レーザ溶接部材および省合金二相ステンレス鋼レーザ溶接部材の製造方法 |
JP2017155311A (ja) | 2016-03-04 | 2017-09-07 | 新日鐵住金株式会社 | 高耐食性合金材の製造方法 |
JP2018145484A (ja) | 2017-03-06 | 2018-09-20 | 日新製鋼株式会社 | 耐食性及び曲げ加工性に優れた高強度の複相ステンレス鋼材 |
Also Published As
Publication number | Publication date |
---|---|
CA3121216A1 (en) | 2020-06-04 |
KR20200064658A (ko) | 2020-06-08 |
EP3872218A1 (en) | 2021-09-01 |
KR102146317B1 (ko) | 2020-08-20 |
US20220010451A1 (en) | 2022-01-13 |
WO2020111546A1 (ko) | 2020-06-04 |
CN113166894A (zh) | 2021-07-23 |
JP2022509863A (ja) | 2022-01-24 |
CN113166894B (zh) | 2023-07-28 |
EP3872218A4 (en) | 2021-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6792951B2 (ja) | オゾン含有水用二相ステンレス鋼 | |
JP5962541B2 (ja) | 高強度鋼板の製造方法 | |
JP6878243B2 (ja) | 耐食性に優れるNb含有フェライト系ステンレス鋼材および製造方法 | |
JP5648237B2 (ja) | 表面品質に優れた亜鉛メッキ鋼板及びその製造方法 | |
JP2020509204A (ja) | 連続生産性に優れた高強度熱延鋼板及び冷延鋼板、ならびに表面品質及びめっき密着性に優れた高強度溶融亜鉛めっき鋼板及びこれらの製造方法 | |
JP7427669B2 (ja) | 耐食性が向上したフェライト系ステンレス鋼及びその製造方法 | |
CN107460412A (zh) | 一种高强韧耐蚀钢及其轧制方法 | |
WO2015125422A1 (ja) | 高強度鋼板および高強度鋼板の製造方法 | |
CN111148854B (zh) | 奥氏体系不锈钢及其制造方法 | |
CN106148855A (zh) | 一种具有优异抗鳞爆性能的热轧搪瓷钢生产方法 | |
JP5962540B2 (ja) | 高強度鋼板の製造方法 | |
JP2013122074A (ja) | 高強度鋼板およびその製造方法 | |
JP2022041426A (ja) | オーステナイト系ステンレス鋼板およびその製造方法 | |
CN108179360B (zh) | 一种锡铜协同作用的超纯铁素体不锈钢及其制备方法 | |
JP5794284B2 (ja) | 高強度鋼板の製造方法 | |
JPH1150202A (ja) | 耐銹性に優れたフェライト系ステンレス鋼光輝焼鈍材およびその製造方法 | |
JP2005105399A (ja) | 低降伏比型高強度合金化溶融亜鉛めっき鋼板の製造方法 | |
JP7210780B2 (ja) | オーステナイト系ステンレス鋼板およびその製造方法 | |
KR101290421B1 (ko) | 스테인리스 냉연강판의 소둔산세 방법 | |
JP7301218B2 (ja) | オーステナイト系ステンレス鋼 | |
KR20190077667A (ko) | 표면 품질이 우수한 린 듀플렉스 스테인리스강의 제조방법 | |
JP5962542B2 (ja) | 高強度鋼板の製造方法 | |
KR102020512B1 (ko) | 산세성이 우수한 고Cr 페라이트계 스테인리스강 및 그 산세방법 | |
JPH0453956B2 (ja) | ||
JP2024522160A (ja) | 溶融亜鉛メッキ鋼板およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210531 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220531 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220607 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220907 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20220927 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20221222 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230127 |
|
C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20230127 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20230215 |
|
C21 | Notice of transfer of a case for reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C21 Effective date: 20230221 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20230317 |
|
C211 | Notice of termination of reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C211 Effective date: 20230328 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240124 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7427669 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |