NO338090B1 - Ferrittisk-austenittisk dupleks rustfri stållegering - Google Patents

Ferrittisk-austenittisk dupleks rustfri stållegering Download PDF

Info

Publication number: NO338090B1
Authority: NO; Norway
Prior art keywords: alloy; content; weight; specified; percent
Prior art date: 2001-09-02

Application number

NO20040900A

Other languages

English (en)

Norwegian (no)

Other versions

NO20040900L (no

Inventor

Pasi Kangas

Ann Sundström

Anna-Lena Nyström

Original Assignee

Sandvik Intellectual Property

Priority date (The priority date 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 date listed.)

2001-09-02

Filing date

2004-03-02

Publication date

2016-07-25

2004-03-02 Application filed by Sandvik Intellectual Property filed Critical Sandvik Intellectual Property

2004-04-30 Publication of NO20040900L publication Critical patent/NO20040900L/no

2016-07-25 Publication of NO338090B1 publication Critical patent/NO338090B1/no

Links

229910045601 alloy Inorganic materials 0.000 title claims abstract description 50
239000000956 alloy Substances 0.000 title claims abstract description 50
229910001039 duplex stainless steel Inorganic materials 0.000 title claims abstract description 13
239000000203 mixture Substances 0.000 claims abstract description 21
229910052804 chromium Inorganic materials 0.000 claims abstract description 19
229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
229910052750 molybdenum Inorganic materials 0.000 claims abstract description 14
229910052721 tungsten Inorganic materials 0.000 claims abstract description 13
229910052802 copper Inorganic materials 0.000 claims abstract description 8
229910052759 nickel Inorganic materials 0.000 claims abstract description 7
229910052748 manganese Inorganic materials 0.000 claims abstract description 5
229910052707 ruthenium Inorganic materials 0.000 claims abstract description 5
239000012535 impurity Substances 0.000 claims abstract description 4
229910000859 α-Fe Inorganic materials 0.000 claims description 36
229910001566 austenite Inorganic materials 0.000 claims description 23
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 11
239000010949 copper Substances 0.000 claims description 11
239000010941 cobalt Substances 0.000 claims description 10
229910017052 cobalt Inorganic materials 0.000 claims description 10
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
239000011572 manganese Substances 0.000 claims description 9
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
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
238000005260 corrosion Methods 0.000 abstract description 53
230000007797 corrosion Effects 0.000 abstract description 52
229910052796 boron Inorganic materials 0.000 abstract description 5
229910052717 sulfur Inorganic materials 0.000 abstract description 5
229910052782 aluminium Inorganic materials 0.000 abstract description 3
229910052791 calcium Inorganic materials 0.000 abstract description 3
229910052710 silicon Inorganic materials 0.000 abstract description 3
229910052720 vanadium Inorganic materials 0.000 abstract 1
238000012360 testing method Methods 0.000 description 43
239000000463 material Substances 0.000 description 26
239000011651 chromium Substances 0.000 description 23
229910000831 Steel Inorganic materials 0.000 description 21
239000010959 steel Substances 0.000 description 21
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
102220043852 rs72857097 Human genes 0.000 description 9
229910001114 SAF 2507 Inorganic materials 0.000 description 8
238000005275 alloying Methods 0.000 description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
238000007792 addition Methods 0.000 description 7
238000001556 precipitation Methods 0.000 description 7
239000011575 calcium Substances 0.000 description 6
238000004519 manufacturing process Methods 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
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
230000000694 effects Effects 0.000 description 5
238000011835 investigation Methods 0.000 description 5
238000004090 dissolution Methods 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
238000000137 annealing Methods 0.000 description 3
229910052799 carbon Inorganic materials 0.000 description 3
238000005266 casting Methods 0.000 description 3
238000005097 cold rolling Methods 0.000 description 3
238000001816 cooling Methods 0.000 description 3
238000011161 development Methods 0.000 description 3
239000011593 sulfur Substances 0.000 description 3
238000009864 tensile test Methods 0.000 description 3
229910021592 Copper(II) chloride Inorganic materials 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000010276 construction Methods 0.000 description 2
ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
230000008878 coupling Effects 0.000 description 2
238000010168 coupling process Methods 0.000 description 2
238000005859 coupling reaction Methods 0.000 description 2
238000009826 distribution Methods 0.000 description 2
238000001125 extrusion Methods 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
229910052739 hydrogen Inorganic materials 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
238000000034 method Methods 0.000 description 2
238000010998 test method Methods 0.000 description 2
229910000851 Alloy steel Inorganic materials 0.000 description 1
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
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-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
238000004458 analytical method Methods 0.000 description 1
229910000963 austenitic stainless steel Inorganic materials 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
239000003795 chemical substances by application Substances 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
-1 chromium nitrides Chemical class 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
238000007689 inspection Methods 0.000 description 1
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 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
239000000155 melt Substances 0.000 description 1
150000001247 metal acetylides Chemical class 0.000 description 1
239000007769 metal material Substances 0.000 description 1
150000004767 nitrides Chemical class 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
238000005457 optimization Methods 0.000 description 1
238000004663 powder metallurgy Methods 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000012545 processing Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
239000010703 silicon Substances 0.000 description 1
239000002893 slag Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
239000007787 solid Substances 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
235000011149 sulphuric acid Nutrition 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)
Glass Compositions (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Manufacture And Refinement Of Metals (AREA)
Contacts (AREA)
Load-Engaging Elements For Cranes (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NO20040900A 2001-09-02 2004-03-02 Ferrittisk-austenittisk dupleks rustfri stållegering NO338090B1 (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE0102931A SE524952C2 (sv)	2001-09-02	2001-09-02	Duplex rostfri stållegering
PCT/SE2002/001564 WO2003020994A1 (en)	2001-09-02	2002-09-02	Duplex steel alloy

Publications (2)

Publication Number	Publication Date
NO20040900L NO20040900L (no)	2004-04-30
NO338090B1 true NO338090B1 (no)	2016-07-25

Family

ID=20285220

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO20040900A NO338090B1 (no)	2001-09-02	2004-03-02	Ferrittisk-austenittisk dupleks rustfri stållegering

Country Status (18)

Country	Link
US (1)	US20030086808A1 (pl)
EP (2)	EP1423548B1 (pl)
JP (1)	JP4234592B2 (pl)
KR (2)	KR100989022B1 (pl)
CN (1)	CN100465325C (pl)
AT (2)	ATE335867T1 (pl)
AU (1)	AU2002328002B9 (pl)
BR (1)	BR0212270B1 (pl)
CA (1)	CA2459253A1 (pl)
DE (2)	DE60213828T2 (pl)
DK (2)	DK1423548T3 (pl)
ES (2)	ES2266557T3 (pl)
MX (1)	MXPA04002017A (pl)
NO (1)	NO338090B1 (pl)
OA (1)	OA12657A (pl)
PL (1)	PL199387B1 (pl)
SE (1)	SE524952C2 (pl)
WO (1)	WO2003020994A1 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO342396B1 (no) *	2003-03-02	2018-05-14	Sandvik Intellectual Property	Anvendelse av en wire av en ferrittisk-austenittisk dupleks rustfri stållegering.

Families Citing this family (25)

* Cited by examiner, † Cited by third party
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
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
AU2008330048B2 (en) *	2007-11-29	2012-11-08	Ati Properties Llc	Lean austenitic stainless steel
DK2245202T3 (da) *	2007-12-20	2011-12-19	Ati Properties Inc	Austenitisk rustfrit stål med lavt nikkelindhold indeholdende stabiliserende grundstoffer
US8337749B2 (en)	2007-12-20	2012-12-25	Ati Properties, Inc.	Lean austenitic stainless steel
PL2229463T3 (pl)	2007-12-20	2018-01-31	Ati Properties Llc	Odporna na korozję zubożona austenityczna stal nierdzewna
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
KR101539520B1 (ko)	2011-03-10	2015-07-24	신닛테츠스미킨 카부시키카이샤	2상 스테인리스강
SI2714955T1 (sl)	2011-05-26	2021-11-30	N'Genius Technology Limited	Avstenitno nerjavno jeklo
FI125854B (fi) *	2011-11-04	2016-03-15	Outokumpu Oy	Dupleksi ruostumaton teräs
ES2688150T3 (es) *	2012-06-22	2018-10-31	Nippon Steel & Sumitomo Metal Corporation	Acero inoxidable dúplex
DE102013110743B4 (de) *	2013-09-27	2016-02-11	Böhler Edelstahl GmbH & Co. KG	Verfahren zur Herstellung eines Duplexstahles
US11242584B2 (en) *	2015-07-20	2022-02-08	Sandvik Intellectual Property Ab	Duplex stainless steel and formed object thereof
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)

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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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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
DE69518354T2 (de) *	1994-05-21	2001-04-26	Yong Soo Park	Rostfreier Duplex-Stahl mit hoher 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
SE514816C2 (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 CN CNB028206177A patent/CN100465325C/zh not_active Expired - Fee Related
- 2002-09-02 AU AU2002328002A patent/AU2002328002B9/en not_active Ceased
- 2002-09-02 KR KR1020047003155A patent/KR100989022B1/ko not_active Expired - Fee Related
- 2002-09-02 EP EP02763168A patent/EP1423548B1/en not_active Expired - Lifetime
- 2002-09-02 ES ES02763168T patent/ES2266557T3/es not_active Expired - Lifetime
- 2002-09-02 DE DE60213828T patent/DE60213828T2/de not_active Expired - Lifetime
- 2002-09-02 WO PCT/SE2002/001564 patent/WO2003020994A1/en not_active Ceased
- 2002-09-02 EP EP06113879A patent/EP1722002B1/en not_active Expired - Lifetime
- 2002-09-02 AT AT02763168T patent/ATE335867T1/de active
- 2002-09-02 AT AT06113879T patent/ATE391192T1/de active
- 2002-09-02 CA CA002459253A patent/CA2459253A1/en not_active Abandoned
- 2002-09-02 KR KR1020097023792A patent/KR20090128568A/ko not_active Withdrawn
- 2002-09-02 JP JP2003525691A patent/JP4234592B2/ja not_active Expired - Fee Related
- 2002-09-02 ES ES06113879T patent/ES2300088T3/es not_active Expired - Lifetime
- 2002-09-02 BR BRPI0212270-7A patent/BR0212270B1/pt not_active IP Right Cessation
- 2002-09-02 DE DE60225951T patent/DE60225951T2/de not_active Expired - Lifetime
- 2002-09-02 DK DK02763168T patent/DK1423548T3/da active
- 2002-09-02 OA OA1200400067A patent/OA12657A/en unknown
- 2002-09-02 MX MXPA04002017A patent/MXPA04002017A/es active IP Right Grant
- 2002-09-02 DK DK06113879T patent/DK1722002T3/da active
- 2002-09-02 PL PL368230A patent/PL199387B1/pl unknown
- 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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO342396B1 (no) *	2003-03-02	2018-05-14	Sandvik Intellectual Property	Anvendelse av en wire av en ferrittisk-austenittisk dupleks rustfri stållegering.

Also Published As

Publication number	Publication date
KR20090128568A (ko)	2009-12-15
OA12657A (en)	2006-06-19
US20030086808A1 (en)	2003-05-08
KR20040029142A (ko)	2004-04-03
DE60225951T2 (de)	2009-04-09
ES2266557T3 (es)	2007-03-01
AU2002328002B2 (en)	2007-07-05
DE60213828D1 (de)	2006-09-21
AU2002328002B9 (en)	2008-03-13
KR100989022B1 (ko)	2010-10-20
CA2459253A1 (en)	2003-03-13
SE524952C2 (sv)	2004-10-26
DE60225951D1 (de)	2008-05-15
ATE335867T1 (de)	2006-09-15
EP1722002B1 (en)	2008-04-02
EP1423548B1 (en)	2006-08-09
PL368230A1 (pl)	2005-03-21
CN1571862A (zh)	2005-01-26
PL199387B1 (pl)	2008-09-30
WO2003020994A1 (en)	2003-03-13
NO20040900L (no)	2004-04-30
JP4234592B2 (ja)	2009-03-04
SE0102931L (sv)	2003-03-03
ATE391192T1 (de)	2008-04-15
CN100465325C (zh)	2009-03-04
BR0212270B1 (pt)	2011-05-31
MXPA04002017A (es)	2004-07-08
BR0212270A (pt)	2004-10-13
EP1423548A1 (en)	2004-06-02
ES2300088T3 (es)	2008-06-01
DK1423548T3 (da)	2006-12-04
JP2005501969A (ja)	2005-01-20
DK1722002T3 (da)	2008-07-28
EP1722002A1 (en)	2006-11-15
DE60213828T2 (de)	2007-03-01
SE0102931D0 (sv)	2001-09-02

Legal Events

Date	Code	Title	Description
2005-09-05	CREP	Change of representative	Representative=s name: BRYN AARFLOT AS POSTBOKS 449 SENTRUM OSLO, 0104 NO
2021-04-26	MM1K	Lapsed by not paying the annual fees

Publication	Publication Date	Title
KR100989022B1 (ko)	2010-10-20	이상 강 합금
US7081173B2 (en)	2006-07-25	Super-austenitic stainless steel
AU2002328002A1 (en)	2003-06-05	Duplex steel alloy
US20030133823A1 (en)	2003-07-17	Use of a duplex stainless steel alloy
KR20090078813A (ko)	2009-07-20	듀플렉스 스테인리스 강 합금 및 이 합금의 용도
JP4249419B2 (ja)	2009-04-02	２相ステンレス鋼
SE527178C2 (sv)	2006-01-17	Användning av en duplex rostfri stållegering
AU2002329144A1 (en)	2003-06-05	Use of a duplex stainless steel alloy
NO333625B1 (no)	2013-07-29	Ferritt-austenitt stallegering med et innhold av ferritt pa 30-70%
US6623569B2 (en)	2003-09-23	Duplex stainless steels
JP6520546B2 (ja)	2019-05-29	オーステナイト系耐熱合金部材およびその製造方法
JP4312408B2 (ja)	2009-08-12	耐蝕性オーステナイト合金
JP7256374B2 (ja)	2023-04-12	オーステナイト系耐熱合金部材

NO338090B1 - Ferrittisk-austenittisk dupleks rustfri stållegering - Google Patents

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