AU2002328002B9 - Duplex steel alloy - Google Patents
Duplex steel alloy Download PDFInfo
- Publication number
- AU2002328002B9 AU2002328002B9 AU2002328002A AU2002328002A AU2002328002B9 AU 2002328002 B9 AU2002328002 B9 AU 2002328002B9 AU 2002328002 A AU2002328002 A AU 2002328002A AU 2002328002 A AU2002328002 A AU 2002328002A AU 2002328002 B9 AU2002328002 B9 AU 2002328002B9
- Authority
- AU
- Australia
- Prior art keywords
- weight
- content
- alloy according
- ferrite
- lies
- 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.)
- Ceased
Links
- 229910000851 Alloy steel Inorganic materials 0.000 title description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 42
- 239000000956 alloy Substances 0.000 claims abstract description 42
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 49
- 229910001566 austenite Inorganic materials 0.000 claims description 35
- 239000011651 chromium Substances 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000011572 manganese Substances 0.000 claims description 11
- 238000007792 addition Methods 0.000 claims description 10
- 239000010941 cobalt Substances 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 2
- JCYZMTMYPZHVBF-UHFFFAOYSA-N Melarsoprol Chemical compound NC1=NC(N)=NC(NC=2C=CC(=CC=2)[As]2SC(CO)CS2)=N1 JCYZMTMYPZHVBF-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 52
- 230000007797 corrosion Effects 0.000 abstract description 51
- 229910052796 boron Inorganic materials 0.000 abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 46
- 239000000463 material Substances 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 238000005275 alloying Methods 0.000 description 11
- 238000001556 precipitation Methods 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 9
- 229910001114 SAF 2507 Inorganic materials 0.000 description 9
- 102220043852 rs72857097 Human genes 0.000 description 9
- 238000000137 annealing Methods 0.000 description 6
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000011835 investigation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 241000283984 Rodentia Species 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- -1 chromium carbides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000010998 test method 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
- 229910015400 FeC13 Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 150000007513 acids Chemical class 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
- 238000004458 analytical method Methods 0.000 description 1
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical class [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 230000009897 systematic effect Effects 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
- C22C38/50—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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
-
- 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Contacts (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Glass Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0102931A SE524952C2 (sv) | 2001-09-02 | 2001-09-02 | Duplex rostfri stållegering |
| SE0102931-3 | 2001-09-02 | ||
| PCT/SE2002/001564 WO2003020994A1 (en) | 2001-09-02 | 2002-09-02 | Duplex steel alloy |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| AU2002328002A1 AU2002328002A1 (en) | 2003-06-05 |
| AU2002328002B2 AU2002328002B2 (en) | 2007-07-05 |
| AU2002328002B9 true AU2002328002B9 (en) | 2008-03-13 |
Family
ID=20285220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2002328002A Ceased AU2002328002B9 (en) | 2001-09-02 | 2002-09-02 | Duplex steel alloy |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US20030086808A1 (ja) |
| EP (2) | EP1423548B1 (ja) |
| JP (1) | JP4234592B2 (ja) |
| KR (2) | KR20090128568A (ja) |
| CN (1) | CN100465325C (ja) |
| AT (2) | ATE335867T1 (ja) |
| AU (1) | AU2002328002B9 (ja) |
| BR (1) | BR0212270B1 (ja) |
| CA (1) | CA2459253A1 (ja) |
| DE (2) | DE60225951T2 (ja) |
| DK (2) | DK1722002T3 (ja) |
| ES (2) | ES2300088T3 (ja) |
| MX (1) | MXPA04002017A (ja) |
| NO (1) | NO338090B1 (ja) |
| OA (1) | OA12657A (ja) |
| PL (1) | PL199387B1 (ja) |
| SE (1) | SE524952C2 (ja) |
| WO (1) | WO2003020994A1 (ja) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE524951C2 (sv) * | 2001-09-02 | 2004-10-26 | Sandvik Ab | Användning av en duplex rostfri stållegering |
| SE527177C2 (sv) * | 2001-09-25 | 2006-01-17 | Sandvik Intellectual Property | Användning av ett austenitiskt rostfritt stål |
| SE527178C2 (sv) * | 2003-03-02 | 2006-01-17 | Sandvik Intellectual Property | Användning av en duplex rostfri stållegering |
| SE527175C2 (sv) * | 2003-03-02 | 2006-01-17 | Sandvik Intellectual Property | Duplex rostfri ställegering och dess användning |
| SE528782C2 (sv) * | 2004-11-04 | 2007-02-13 | Sandvik Intellectual Property | Duplext rostfritt stål med hög sträckgräns, artiklar och användning av stålet |
| SE531305C2 (sv) * | 2005-11-16 | 2009-02-17 | Sandvik Intellectual Property | Strängar för musikinstrument |
| SE530711C2 (sv) * | 2006-10-30 | 2008-08-19 | Sandvik Intellectual Property | Duplex rostfri stållegering samt användning av denna legering |
| CN101353769B (zh) * | 2007-07-26 | 2011-10-05 | 傅丰仁 | 铬23镍6铁素体-奥氏体不锈钢管及其制造工艺 |
| SE531593C2 (sv) * | 2007-10-26 | 2009-06-02 | Sandvik Intellectual Property | Värmeväxlare för fosforsyramiljö |
| ES2713899T3 (es) | 2007-11-29 | 2019-05-24 | Ati Properties Llc | Acero inoxidable austenítico pobre |
| MX2010005668A (es) | 2007-12-20 | 2010-06-03 | Ati Properties Inc | Acero inoxidable austenitico delgado resistente a la corrosion. |
| RU2461641C2 (ru) | 2007-12-20 | 2012-09-20 | ЭйТиАй ПРОПЕРТИЗ, ИНК. | Аустенитная нержавеющая сталь с низким содержанием никеля и содержащая стабилизирующие элементы |
| US8337749B2 (en) | 2007-12-20 | 2012-12-25 | Ati Properties, Inc. | Lean austenitic stainless steel |
| CN101215673B (zh) * | 2008-01-08 | 2010-12-01 | 上海大学 | 高性能双相不锈钢合金材料及其制备方法 |
| FI121340B (fi) * | 2008-12-19 | 2010-10-15 | Outokumpu Oy | Dupleksinen ruostumaton teräs |
| EP2684974B1 (en) | 2011-03-10 | 2017-05-10 | Nippon Steel & Sumitomo Metal Corporation | Duplex stainless steel |
| US9803267B2 (en) | 2011-05-26 | 2017-10-31 | Upl, L.L.C. | Austenitic stainless steel |
| FI125854B (fi) * | 2011-11-04 | 2016-03-15 | Outokumpu Oy | Dupleksi ruostumaton teräs |
| JP5403192B1 (ja) * | 2012-06-22 | 2014-01-29 | 新日鐵住金株式会社 | ２相ステンレス鋼 |
| DE102013110743B4 (de) * | 2013-09-27 | 2016-02-11 | Böhler Edelstahl GmbH & Co. KG | Verfahren zur Herstellung eines Duplexstahles |
| KR20180031009A (ko) * | 2015-07-20 | 2018-03-27 | 산드빅 인터렉츄얼 프로퍼티 에이비 | 듀플렉스 스테인레스 강 및 상기 듀플렉스 스테인레스 강의 성형품 |
| CN107937825A (zh) * | 2017-11-15 | 2018-04-20 | 江阴方圆环锻法兰有限公司 | 油气用双相钢阀门锻件及其锻造方法 |
| EP3502293B1 (en) * | 2017-12-22 | 2020-05-13 | Saipem S.p.A. | Uses of duplex stainless steels |
| US11098387B2 (en) * | 2018-06-15 | 2021-08-24 | Ab Sandvik Materials Technology | Duplex stainless steel strip and method for producing thereof |
| CN111230406A (zh) * | 2018-11-28 | 2020-06-05 | 无锡市新峰管业有限公司 | 一种海洋环境下双相不锈钢管及其加工方法 |
| CN112342473A (zh) * | 2020-09-17 | 2021-02-09 | 江苏华久辐条制造有限公司 | 一种冷轧带钢表面耐蚀处理方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0220141A2 (en) * | 1985-09-05 | 1987-04-29 | Santrade Ltd. | High nitrogen containing duplex stainless steel having high corrosion resistance and good structure stability |
| EP0534864A1 (en) * | 1991-09-30 | 1993-03-31 | Sumitomo Metal Industries, Ltd. | Duplex stainless steel having improved corrosion resistance and process for the production thereof |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3861908A (en) * | 1973-08-20 | 1975-01-21 | Crucible Inc | Duplex stainless steel |
| CA1242095A (en) * | 1984-02-07 | 1988-09-20 | Akira Yoshitake | Ferritic-austenitic duplex stainless steel |
| JPS60165362A (ja) * | 1984-02-07 | 1985-08-28 | Kubota Ltd | 高耐食性高耐力二相ステンレス鋼 |
| US4678523A (en) * | 1986-07-03 | 1987-07-07 | Cabot Corporation | Corrosion- and wear-resistant duplex steel |
| US4985091A (en) * | 1990-01-12 | 1991-01-15 | Carondelet Foundry Company | Corrosion resistant duplex alloys |
| AT397515B (de) * | 1990-05-03 | 1994-04-25 | Boehler Edelstahl | Hochfeste korrosionsbeständige duplex-legierung |
| JP2500162B2 (ja) * | 1991-11-11 | 1996-05-29 | 住友金属工業株式会社 | 耐食性に優れた高強度二相ステンレス鋼 |
| JP3166798B2 (ja) * | 1992-10-06 | 2001-05-14 | 住友金属工業株式会社 | 耐食性、相安定性に優れた二相ステンレス鋼 |
| SE501321C2 (sv) * | 1993-06-21 | 1995-01-16 | Sandvik Ab | Ferrit-austenitiskt rostfritt stål samt användning av stålet |
| ATE195559T1 (de) * | 1994-05-21 | 2000-09-15 | Park Yong S | Rostfreies duplex-stahl mit guter korrosionsbeständigkeit |
| US5906791A (en) * | 1997-07-28 | 1999-05-25 | General Electric Company | Steel alloys |
| AT405297B (de) * | 1997-08-13 | 1999-06-25 | Boehler Edelstahl | Duplexlegierung für komplex beanspruchte bauteile |
| US6033497A (en) * | 1997-09-05 | 2000-03-07 | Sandusky International, Inc. | Pitting resistant duplex stainless steel alloy with improved machinability and method of making thereof |
| SE9704544D0 (sv) * | 1997-12-05 | 1997-12-05 | Astra Pharma Prod | Novel compounds |
| SE514044C2 (sv) * | 1998-10-23 | 2000-12-18 | Sandvik Ab | Stål för havsvattentillämpningar |
| SE0000678L (sv) * | 2000-03-02 | 2001-04-30 | Sandvik Ab | Duplext rostfritt stål |
| SE524951C2 (sv) * | 2001-09-02 | 2004-10-26 | Sandvik Ab | Användning av en duplex rostfri stållegering |
-
2001
- 2001-09-02 SE SE0102931A patent/SE524952C2/sv not_active IP Right Cessation
-
2002
- 2002-09-02 WO PCT/SE2002/001564 patent/WO2003020994A1/en active Application Filing
- 2002-09-02 CA CA002459253A patent/CA2459253A1/en not_active Abandoned
- 2002-09-02 DE DE60225951T patent/DE60225951T2/de not_active Expired - Lifetime
- 2002-09-02 AT AT02763168T patent/ATE335867T1/de active
- 2002-09-02 CN CNB028206177A patent/CN100465325C/zh not_active Expired - Fee Related
- 2002-09-02 KR KR1020097023792A patent/KR20090128568A/ko not_active Application Discontinuation
- 2002-09-02 MX MXPA04002017A patent/MXPA04002017A/es active IP Right Grant
- 2002-09-02 ES ES06113879T patent/ES2300088T3/es not_active Expired - Lifetime
- 2002-09-02 PL PL368230A patent/PL199387B1/pl unknown
- 2002-09-02 DK DK06113879T patent/DK1722002T3/da active
- 2002-09-02 DE DE60213828T patent/DE60213828T2/de not_active Expired - Lifetime
- 2002-09-02 KR KR1020047003155A patent/KR100989022B1/ko active IP Right Grant
- 2002-09-02 ES ES02763168T patent/ES2266557T3/es not_active Expired - Lifetime
- 2002-09-02 AT AT06113879T patent/ATE391192T1/de active
- 2002-09-02 OA OA1200400067A patent/OA12657A/en unknown
- 2002-09-02 AU AU2002328002A patent/AU2002328002B9/en not_active Ceased
- 2002-09-02 EP EP02763168A patent/EP1423548B1/en not_active Expired - Lifetime
- 2002-09-02 JP JP2003525691A patent/JP4234592B2/ja not_active Expired - Fee Related
- 2002-09-02 EP EP06113879A patent/EP1722002B1/en not_active Expired - Lifetime
- 2002-09-02 DK DK02763168T patent/DK1423548T3/da active
- 2002-09-02 BR BRPI0212270-7A patent/BR0212270B1/pt not_active IP Right Cessation
- 2002-09-03 US US10/232,726 patent/US20030086808A1/en not_active Abandoned
-
2004
- 2004-03-02 NO NO20040900A patent/NO338090B1/no not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0220141A2 (en) * | 1985-09-05 | 1987-04-29 | Santrade Ltd. | High nitrogen containing duplex stainless steel having high corrosion resistance and good structure stability |
| EP0534864A1 (en) * | 1991-09-30 | 1993-03-31 | Sumitomo Metal Industries, Ltd. | Duplex stainless steel having improved corrosion resistance and process for the production thereof |
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| PC1 | Assignment before grant (sect. 113) |
Owner name: SANDVIK INTELLECTUAL PROPERTY AB Free format text: FORMER APPLICANT(S): SANDVIK INTELLECTUAL PROPERTY HB |
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