JP4893866B2 - 溶接部耐食性に優れた構造用ステンレス鋼板およびその製造方法 - Google Patents
溶接部耐食性に優れた構造用ステンレス鋼板およびその製造方法 Download PDFInfo
- Publication number
- JP4893866B2 JP4893866B2 JP2011117803A JP2011117803A JP4893866B2 JP 4893866 B2 JP4893866 B2 JP 4893866B2 JP 2011117803 A JP2011117803 A JP 2011117803A JP 2011117803 A JP2011117803 A JP 2011117803A JP 4893866 B2 JP4893866 B2 JP 4893866B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- value
- corrosion resistance
- mass
- stainless steel
- 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
- 230000007797 corrosion Effects 0.000 title claims description 61
- 238000005260 corrosion Methods 0.000 title claims description 61
- 229910001220 stainless steel Inorganic materials 0.000 title claims description 27
- 239000010935 stainless steel Substances 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 238000000137 annealing Methods 0.000 claims description 14
- 238000005098 hot rolling Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 229910000746 Structural steel Inorganic materials 0.000 claims 1
- 241001016380 Reseda luteola Species 0.000 description 28
- 238000003466 welding Methods 0.000 description 20
- 229910000734 martensite Inorganic materials 0.000 description 19
- 229910000859 α-Fe Inorganic materials 0.000 description 16
- 230000007547 defect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 239000010949 copper Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000000087 stabilizing effect Effects 0.000 description 7
- 229910052720 vanadium Inorganic materials 0.000 description 7
- 229910001566 austenite Inorganic materials 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 4
- BQJTUDIVKSVBDU-UHFFFAOYSA-L copper;sulfuric acid;sulfate Chemical compound [Cu+2].OS(O)(=O)=O.[O-]S([O-])(=O)=O BQJTUDIVKSVBDU-UHFFFAOYSA-L 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 241000272534 Struthio camelus Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
-
- 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Arc Welding In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011117803A JP4893866B2 (ja) | 2010-05-31 | 2011-05-26 | 溶接部耐食性に優れた構造用ステンレス鋼板およびその製造方法 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010124059 | 2010-05-31 | ||
| JP2010124059 | 2010-05-31 | ||
| JP2011117803A JP4893866B2 (ja) | 2010-05-31 | 2011-05-26 | 溶接部耐食性に優れた構造用ステンレス鋼板およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012012702A JP2012012702A (ja) | 2012-01-19 |
| JP4893866B2 true JP4893866B2 (ja) | 2012-03-07 |
Family
ID=45066832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011117803A Active JP4893866B2 (ja) | 2010-05-31 | 2011-05-26 | 溶接部耐食性に優れた構造用ステンレス鋼板およびその製造方法 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20130126052A1 (ko) |
| EP (1) | EP2578715B1 (ko) |
| JP (1) | JP4893866B2 (ko) |
| KR (1) | KR101409291B1 (ko) |
| CN (1) | CN102933732B (ko) |
| AU (1) | AU2011259992B2 (ko) |
| BR (1) | BR112012030684B1 (ko) |
| CA (1) | CA2799696C (ko) |
| ES (1) | ES2643150T3 (ko) |
| RU (1) | RU2522065C1 (ko) |
| TW (1) | TWI439555B (ko) |
| WO (1) | WO2011152475A1 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201418549A (zh) * | 2012-11-12 | 2014-05-16 | Shehkai Prec Co Ltd | 複合式混凝土之螺絲錨栓 |
| WO2015064077A1 (ja) | 2013-10-31 | 2015-05-07 | Ｊｆｅスチール株式会社 | フェライト－マルテンサイト２相ステンレス鋼およびその製造方法 |
| WO2015064128A1 (ja) | 2013-10-31 | 2015-05-07 | Ｊｆｅスチール株式会社 | 低温靭性に優れたフェライト−マルテンサイト２相ステンレス鋼およびその製造方法 |
| CN108690936B (zh) * | 2018-06-13 | 2020-12-01 | 燕山大学 | 用于焊接高锰钢辙叉与钢轨的不锈钢钢轨材料及制备方法 |
| KR102173277B1 (ko) * | 2018-11-06 | 2020-11-03 | 주식회사 포스코 | 저온 충격인성이 우수한 열연 강판 및 그 제조방법 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650731A (en) * | 1969-01-31 | 1972-03-21 | Allegheny Ludlum Steel | Ferritic stainless steel |
| SU595420A1 (ru) * | 1976-12-06 | 1978-02-28 | Предприятие П/Я А-1147 | Сталь |
| JPS6199628A (ja) * | 1984-10-19 | 1986-05-17 | Kawasaki Steel Corp | オ−ステナイト系ステンレス鋼板または鋼帯の製造方法 |
| JPH03249150A (ja) * | 1990-02-27 | 1991-11-07 | Nippon Steel Corp | 溶接部の靭性に優れたフェライト系ステンレス鋼 |
| SU1723191A1 (ru) * | 1990-06-25 | 1992-03-30 | Волгоградский Политехнический Институт | Нержавеюща сталь |
| JP2000080416A (ja) * | 1998-08-31 | 2000-03-21 | Kawasaki Steel Corp | 溶接性および耐食性に優れたラインパイプ用高Ｃｒマルテンサイト溶接鋼管の製造方法 |
| JP3508698B2 (ja) * | 2000-06-06 | 2004-03-22 | Ｊｆｅスチール株式会社 | 耐初期発錆性に優れた土木・建築構造用ステンレス熱延鋼帯 |
| EP1314791B1 (en) * | 2000-08-31 | 2011-07-13 | JFE Steel Corporation | Low carbon martensitic stainless steel and method for production thereof |
| JP2002121652A (ja) * | 2000-10-12 | 2002-04-26 | Kawasaki Steel Corp | 自動車足回り用Ｃｒ含有鋼 |
| JP4457492B2 (ja) | 2000-11-29 | 2010-04-28 | Ｊｆｅスチール株式会社 | 加工性と溶接性に優れたステンレス鋼 |
| EP1652950B1 (en) * | 2003-07-22 | 2014-10-15 | Nippon Steel & Sumitomo Metal Corporation | Martensitic stainless steel |
| AU2003261962B2 (en) * | 2003-09-05 | 2009-01-08 | Nippon Steel Corporation | Welded structure excellent in resistance to stress corrosion cracking |
| JP2006219717A (ja) | 2005-02-09 | 2006-08-24 | Nippon Steel Corp | 耐変形性、表面特性、溶接性が著しく良好な容器用鋼板及びその製造方法 |
| JP4740021B2 (ja) | 2006-04-20 | 2011-08-03 | 新日鐵住金ステンレス株式会社 | 形状凍結性に優れるＣｒ含有薄鋼板およびその製造方法 |
| JP5225620B2 (ja) * | 2006-07-04 | 2013-07-03 | 新日鐵住金ステンレス株式会社 | 複数回溶接熱影響部の耐食性に優れた低クロム含有ステンレス鋼およびその製造方法 |
-
2011
- 2011-05-26 US US13/698,483 patent/US20130126052A1/en not_active Abandoned
- 2011-05-26 KR KR1020127032216A patent/KR101409291B1/ko active IP Right Grant
- 2011-05-26 WO PCT/JP2011/062640 patent/WO2011152475A1/ja active Application Filing
- 2011-05-26 ES ES11789877.5T patent/ES2643150T3/es active Active
- 2011-05-26 EP EP11789877.5A patent/EP2578715B1/en active Active
- 2011-05-26 JP JP2011117803A patent/JP4893866B2/ja active Active
- 2011-05-26 AU AU2011259992A patent/AU2011259992B2/en active Active
- 2011-05-26 CA CA2799696A patent/CA2799696C/en active Active
- 2011-05-26 BR BR112012030684-7A patent/BR112012030684B1/pt active IP Right Grant
- 2011-05-26 RU RU2012157554/02A patent/RU2522065C1/ru active
- 2011-05-26 CN CN201180026476.7A patent/CN102933732B/zh active Active
- 2011-05-31 TW TW100119016A patent/TWI439555B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2012157554A (ru) | 2014-07-20 |
| CN102933732A (zh) | 2013-02-13 |
| EP2578715A4 (en) | 2015-08-19 |
| AU2011259992A1 (en) | 2012-12-20 |
| TWI439555B (zh) | 2014-06-01 |
| TW201207128A (en) | 2012-02-16 |
| ES2643150T3 (es) | 2017-11-21 |
| CA2799696C (en) | 2015-11-17 |
| WO2011152475A1 (ja) | 2011-12-08 |
| RU2522065C1 (ru) | 2014-07-10 |
| JP2012012702A (ja) | 2012-01-19 |
| EP2578715A1 (en) | 2013-04-10 |
| KR101409291B1 (ko) | 2014-06-18 |
| AU2011259992B2 (en) | 2013-12-19 |
| KR20130034025A (ko) | 2013-04-04 |
| CA2799696A1 (en) | 2011-12-08 |
| CN102933732B (zh) | 2016-06-29 |
| US20130126052A1 (en) | 2013-05-23 |
| BR112012030684B1 (pt) | 2018-08-14 |
| BR112012030684A2 (pt) | 2017-12-05 |
| EP2578715B1 (en) | 2017-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5773098B1 (ja) | フェライト−マルテンサイト２相ステンレス鋼およびその製造方法 | |
| JP5885884B2 (ja) | フェライト系ステンレス熱延鋼板とその製造方法及び鋼帯 | |
| JP6048626B1 (ja) | 厚肉高靭性高強度鋼板およびその製造方法 | |
| CN111433381B (zh) | 高Mn钢及其制造方法 | |
| JP5918796B2 (ja) | 靭性に優れたフェライト系ステンレス熱延鋼板および鋼帯 | |
| JP4893866B2 (ja) | 溶接部耐食性に優れた構造用ステンレス鋼板およびその製造方法 | |
| JP5501795B2 (ja) | 溶接部の耐食性に優れた低クロム含有ステンレス鋼 | |
| JP6036645B2 (ja) | 低温靭性に優れたフェライト−マルテンサイト２相ステンレス鋼およびその製造方法 | |
| JP4538095B2 (ja) | 母材および溶接熱影響部の低温靭性に優れかつ強度異方性の小さい鋼板およびその製造方法 | |
| JP2009013431A (ja) | 複数回溶接熱影響部の耐食性に優れた低クロム含有ステンレス鋼およびその製造方法 | |
| WO2015064077A1 (ja) | フェライト－マルテンサイト２相ステンレス鋼およびその製造方法 | |
| JP5741454B2 (ja) | −１９６℃におけるシャルピー試験値が母材、溶接継手共に１００Ｊ以上である靭性と生産性に優れたＮｉ添加鋼板およびその製造方法 | |
| JP5884183B2 (ja) | 構造用ステンレス鋼板 | |
| WO2022025083A1 (ja) | 相安定性に優れた高耐食Ｎｉ－Ｃｒ－Ｍｏ－Ｎ合金 | |
| JP4469353B2 (ja) | 溶接熱影響部の靭性に優れる引張強さ５７０ＭＰａ級高強度鋼材の製造方法 | |
| JP2009280850A (ja) | 溶接部耐食性に優れた構造用ステンレス鋼板および溶接構造物 | |
| JP5037203B2 (ja) | 溶接熱影響部の靭性に優れる降伏応力４７０ＭＰａ以上引張強さ５７０ＭＰａ以上の高強度鋼材の製造方法 | |
| JP2007302978A (ja) | 溶接熱影響部の靭性に優れる引張強さ７８０ＭＰａ級高強度鋼材の製造方法 | |
| JP2023127225A (ja) | マルテンサイト系ステンレス鋼の溶接継手、溶接構造体および溶接方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20111019 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20111019 |
|
| TRDD | Decision of grant or rejection written | ||
| A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20111110 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111122 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111205 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4893866 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150106 Year of fee payment: 3 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |