SE530711C2 - Duplex rostfri stållegering samt användning av denna legering - Google Patents
Duplex rostfri stållegering samt användning av denna legeringInfo
- Publication number
- SE530711C2 SE530711C2 SE0602287A SE0602287A SE530711C2 SE 530711 C2 SE530711 C2 SE 530711C2 SE 0602287 A SE0602287 A SE 0602287A SE 0602287 A SE0602287 A SE 0602287A SE 530711 C2 SE530711 C2 SE 530711C2
- Authority
- SE
- Sweden
- Prior art keywords
- content
- weight
- alloy
- alloy according
- ferrite
- Prior art date
Links
- 229910045601 alloy Inorganic materials 0.000 title claims description 84
- 239000000956 alloy Substances 0.000 title claims description 84
- 229910001039 duplex stainless steel Inorganic materials 0.000 title claims description 12
- 229910000859 α-Fe Inorganic materials 0.000 claims description 28
- 229910052804 chromium Inorganic materials 0.000 claims description 18
- 229910052721 tungsten Inorganic materials 0.000 claims description 14
- 229910001566 austenite Inorganic materials 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 description 46
- 238000005260 corrosion Methods 0.000 description 46
- 239000011651 chromium Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 238000001816 cooling Methods 0.000 description 11
- 238000001556 precipitation Methods 0.000 description 11
- 239000010949 copper Substances 0.000 description 9
- 229910000851 Alloy steel Inorganic materials 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000011575 calcium Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 229910001114 SAF 2507 Inorganic materials 0.000 description 2
- 101000918975 Sinapis alba Defensin-like protein 2 Proteins 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- -1 chromium carbides Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 101100536761 Mus musculus Tfe3 gene Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-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
- 229910001318 Zeron 100 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical class [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- FFNMBRCFFADNAO-UHFFFAOYSA-N pirenzepine hydrochloride Chemical compound [H+].[H+].[Cl-].[Cl-].C1CN(C)CCN1CC(=O)N1C2=NC=CC=C2NC(=O)C2=CC=CC=C21 FFNMBRCFFADNAO-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 102220043852 rs72857097 Human genes 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0602287A SE530711C2 (sv) | 2006-10-30 | 2006-10-30 | Duplex rostfri stållegering samt användning av denna legering |
| BRPI0717944-8A2A BRPI0717944A2 (pt) | 2006-10-30 | 2007-10-02 | Liga de ação inoxidável dúplex e uso desta liga |
| UAA200905389A UA93587C2 (ru) | 2006-10-30 | 2007-10-02 | Двухфазная НЕРЖАВЕЮЩАЯ легированная сталь и EE ПРИМЕНЕНИе |
| MX2009004535A MX2009004535A (es) | 2006-10-30 | 2007-10-02 | Aleacion de acero inoxidable duplex y uso de esta aleacion. |
| CA002667436A CA2667436A1 (en) | 2006-10-30 | 2007-10-02 | Duplex stainless steel alloy and use of this alloy |
| JP2009534543A JP2010508439A (ja) | 2006-10-30 | 2007-10-02 | ２相ステンレス鋼およびこの鋼の使用 |
| KR1020097008892A KR20090078813A (ko) | 2006-10-30 | 2007-10-02 | 듀플렉스 스테인리스 강 합금 및 이 합금의 용도 |
| US12/447,689 US20100316522A1 (en) | 2006-10-30 | 2007-10-02 | Duplex stainless steel alloy and use of this alloy |
| CNA2007800407711A CN101558180A (zh) | 2006-10-30 | 2007-10-02 | 双相不锈钢合金和该合金的用途 |
| EA200970433A EA014812B1 (ru) | 2006-10-30 | 2007-10-02 | Двухфазная нержавеющая легированная сталь и применение этого сплава |
| PCT/SE2007/050694 WO2008054300A1 (en) | 2006-10-30 | 2007-10-02 | Duplex stainless steel alloy and use of this alloy |
| EP07835279A EP2082073A4 (en) | 2006-10-30 | 2007-10-02 | DUPLEX STEEL ALLOY AND USE THEREOF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0602287A SE530711C2 (sv) | 2006-10-30 | 2006-10-30 | Duplex rostfri stållegering samt användning av denna legering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE0602287L SE0602287L (sv) | 2008-05-01 |
| SE530711C2 true SE530711C2 (sv) | 2008-08-19 |
Family
ID=39344543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0602287A SE530711C2 (sv) | 2006-10-30 | 2006-10-30 | Duplex rostfri stållegering samt användning av denna legering |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20100316522A1 (es) |
| EP (1) | EP2082073A4 (es) |
| JP (1) | JP2010508439A (es) |
| KR (1) | KR20090078813A (es) |
| CN (1) | CN101558180A (es) |
| BR (1) | BRPI0717944A2 (es) |
| CA (1) | CA2667436A1 (es) |
| EA (1) | EA014812B1 (es) |
| MX (1) | MX2009004535A (es) |
| SE (1) | SE530711C2 (es) |
| UA (1) | UA93587C2 (es) |
| WO (1) | WO2008054300A1 (es) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110160838A1 (en) * | 2009-12-31 | 2011-06-30 | Blanzy Jeffrey S | Endoprosthesis containing multi-phase ferrous steel |
| SE534779C2 (sv) | 2010-03-03 | 2011-12-20 | Sandvik Intellectual Property | Metod för att tillverka en trådprodukt av rostfritt stål |
| CN104357764B (zh) * | 2014-11-15 | 2016-06-08 | 柳州市潮林机械有限公司 | 一种双相不锈钢管材 |
| CN104357762B (zh) * | 2014-11-15 | 2016-06-08 | 柳州市潮林机械有限公司 | 一种双相不锈钢管材 |
| CN104357765B (zh) * | 2014-11-15 | 2016-07-06 | 柳州市潮林机械有限公司 | 一种双相不锈钢管材 |
| CN104451455A (zh) * | 2014-11-15 | 2015-03-25 | 柳州市潮林机械有限公司 | 一种双相不锈钢管材 |
| CN104357763B (zh) * | 2014-11-15 | 2016-07-06 | 柳州市潮林机械有限公司 | 一种双相不锈钢管材 |
| KR101641796B1 (ko) * | 2014-12-26 | 2016-07-22 | 주식회사 포스코 | 드로잉성이 우수한 린 듀플렉스 스테인리스강 및 그 제조방법 |
| CN106011689B (zh) * | 2015-03-30 | 2019-05-03 | 新日铁住金不锈钢株式会社 | 含臭氧水用双相不锈钢 |
| MX2018009931A (es) * | 2016-02-17 | 2018-11-29 | Nippon Steel & Sumikin Sst | Material de acero inoxidable de dos fases ferritica-austenitica y metodo para la fabricacion del mismo. |
| US20190376156A1 (en) * | 2016-12-21 | 2019-12-12 | Sandvik Intellectual Property Ab | Use of a duplex stainless steel object |
| JP6791012B2 (ja) * | 2017-05-24 | 2020-11-25 | Ｊｆｅスチール株式会社 | 耐食性及び耐水素脆性に優れた二相ステンレス鋼 |
| CN108048755B (zh) * | 2017-11-10 | 2019-06-28 | 洛阳双瑞特种装备有限公司 | 一种用于流体输送的高硬度耐蚀铸造不锈钢 |
| CA3080706A1 (en) * | 2017-11-15 | 2019-05-23 | Nippon Steel Corporation | Duplex stainless steel and method for producing duplex stainless steel |
| CN109898015A (zh) * | 2019-02-01 | 2019-06-18 | 上海加宁新材料科技有限公司 | 舰船用耐海水腐蚀hdr双相不锈钢的制造方法 |
| CN116997670B (zh) * | 2021-03-15 | 2025-11-14 | 日铁不锈钢株式会社 | 双相不锈钢 |
| KR102885372B1 (ko) * | 2023-09-14 | 2025-11-11 | 부산대학교 산학협력단 | 페라이트상의 분율이 70 % 이상인 슈퍼 듀플렉스 스테인리스강 및 이의 제조 방법, 니켈 도금된 슈퍼 듀플렉스 스테인리스강 및 이의 제조 방법 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE453838B (sv) * | 1985-09-05 | 1988-03-07 | Santrade Ltd | Hogkvevehaltigt ferrit-austenitiskt rostfritt stal |
| US4985091A (en) * | 1990-01-12 | 1991-01-15 | Carondelet Foundry Company | Corrosion resistant duplex alloys |
| SE501321C2 (sv) * | 1993-06-21 | 1995-01-16 | Sandvik Ab | Ferrit-austenitiskt rostfritt stål samt användning av stålet |
| CN1052036C (zh) * | 1994-05-21 | 2000-05-03 | 朴庸秀 | 有高耐腐蚀性的双相不锈钢 |
| JPH08176742A (ja) * | 1994-12-27 | 1996-07-09 | Sumitomo Metal Ind Ltd | 硫化水素環境での耐食性に優れた２相ステンレス鋼 |
| JPH1088288A (ja) * | 1996-09-18 | 1998-04-07 | Sumitomo Metal Ind Ltd | 高純度ガス用二相ステンレス鋼材およびその製造方法 |
| KR100444248B1 (ko) * | 2001-04-27 | 2004-08-16 | 한국산업기술평가원 | 열간가공성이 우수한 고망간 듀플렉스 스텐레스강과 그제조방법 |
| SE524951C2 (sv) * | 2001-09-02 | 2004-10-26 | Sandvik Ab | Användning av en duplex rostfri stållegering |
| SE524952C2 (sv) * | 2001-09-02 | 2004-10-26 | Sandvik Ab | Duplex rostfri stållegering |
| KR100460346B1 (ko) * | 2002-03-25 | 2004-12-08 | 이인성 | 금속간상의 형성이 억제된 내식성, 내취화성, 주조성 및열간가공성이 우수한 슈퍼 듀플렉스 스테인리스강 |
| SE527175C2 (sv) * | 2003-03-02 | 2006-01-17 | Sandvik Intellectual Property | Duplex rostfri ställegering och dess användning |
| SE527178C2 (sv) * | 2003-03-02 | 2006-01-17 | Sandvik Intellectual Property | Användning av en duplex rostfri stållegering |
-
2006
- 2006-10-30 SE SE0602287A patent/SE530711C2/sv unknown
-
2007
- 2007-10-02 CN CNA2007800407711A patent/CN101558180A/zh active Pending
- 2007-10-02 BR BRPI0717944-8A2A patent/BRPI0717944A2/pt not_active Application Discontinuation
- 2007-10-02 MX MX2009004535A patent/MX2009004535A/es active IP Right Grant
- 2007-10-02 KR KR1020097008892A patent/KR20090078813A/ko not_active Withdrawn
- 2007-10-02 CA CA002667436A patent/CA2667436A1/en not_active Abandoned
- 2007-10-02 WO PCT/SE2007/050694 patent/WO2008054300A1/en not_active Ceased
- 2007-10-02 US US12/447,689 patent/US20100316522A1/en not_active Abandoned
- 2007-10-02 EA EA200970433A patent/EA014812B1/ru not_active IP Right Cessation
- 2007-10-02 UA UAA200905389A patent/UA93587C2/ru unknown
- 2007-10-02 JP JP2009534543A patent/JP2010508439A/ja active Pending
- 2007-10-02 EP EP07835279A patent/EP2082073A4/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EA014812B1 (ru) | 2011-02-28 |
| CN101558180A (zh) | 2009-10-14 |
| BRPI0717944A2 (pt) | 2013-12-03 |
| KR20090078813A (ko) | 2009-07-20 |
| EA200970433A1 (ru) | 2009-10-30 |
| EP2082073A1 (en) | 2009-07-29 |
| WO2008054300A9 (en) | 2009-06-11 |
| MX2009004535A (es) | 2009-05-20 |
| EP2082073A4 (en) | 2011-06-29 |
| CA2667436A1 (en) | 2008-05-08 |
| SE0602287L (sv) | 2008-05-01 |
| UA93587C2 (ru) | 2011-02-25 |
| US20100316522A1 (en) | 2010-12-16 |
| JP2010508439A (ja) | 2010-03-18 |
| WO2008054300A1 (en) | 2008-05-08 |
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