NO333625B1 - Ferritt-austenitt stallegering med et innhold av ferritt pa 30-70% - Google Patents
Ferritt-austenitt stallegering med et innhold av ferritt pa 30-70% Download PDFInfo
- Publication number
- NO333625B1 NO333625B1 NO20011004A NO20011004A NO333625B1 NO 333625 B1 NO333625 B1 NO 333625B1 NO 20011004 A NO20011004 A NO 20011004A NO 20011004 A NO20011004 A NO 20011004A NO 333625 B1 NO333625 B1 NO 333625B1
- Authority
- NO
- Norway
- Prior art keywords
- content
- steel alloy
- corrosion
- ferrite
- maximum
- Prior art date
Links
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract 13
- 229910000859 α-Fe Inorganic materials 0.000 title claims description 15
- 229910001566 austenite Inorganic materials 0.000 title claims description 12
- 238000005260 corrosion Methods 0.000 claims abstract description 55
- 230000007797 corrosion Effects 0.000 claims abstract description 55
- 239000000654 additive Substances 0.000 claims abstract description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 37
- 229910052750 molybdenum Inorganic materials 0.000 claims description 29
- 229910052804 chromium Inorganic materials 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 238000009628 steelmaking Methods 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 16
- 239000000956 alloy Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 35
- 239000000463 material Substances 0.000 description 31
- 239000011651 chromium Substances 0.000 description 25
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 238000012360 testing method Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 8
- 229910001114 SAF 2507 Inorganic materials 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 6
- 238000005242 forging Methods 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010583 slow cooling Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 102220043852 rs72857097 Human genes 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910015449 FeCU 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
- 101000918975 Sinapis alba Defensin-like protein 2 Proteins 0.000 description 1
- 229910001318 Zeron 100 Inorganic materials 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical class [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
- 238000009835 boiling Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- -1 chromium nitrides Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical class [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- C22C38/42—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
- C22C38/44—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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D2211/001—Austenite
-
- 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
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)
- Glass Compositions (AREA)
- Continuous Casting (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Coating With Molten Metal (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9902472A SE513247C2 (sv) | 1999-06-29 | 1999-06-29 | Ferrit-austenitisk stållegering |
| PCT/SE2000/001235 WO2001000898A1 (en) | 1999-06-29 | 2000-06-13 | Duplex stainless steel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20011004D0 NO20011004D0 (no) | 2001-02-27 |
| NO20011004L NO20011004L (no) | 2001-03-21 |
| NO333625B1 true NO333625B1 (no) | 2013-07-29 |
Family
ID=20416292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20011004A NO333625B1 (no) | 1999-06-29 | 2001-02-27 | Ferritt-austenitt stallegering med et innhold av ferritt pa 30-70% |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6312532B1 (ja) |
| EP (1) | EP1117848B1 (ja) |
| JP (1) | JP3822493B2 (ja) |
| KR (1) | KR100545301B1 (ja) |
| CN (1) | CN1113976C (ja) |
| AT (1) | ATE290614T1 (ja) |
| CA (1) | CA2342817C (ja) |
| DE (1) | DE60018544T2 (ja) |
| ES (1) | ES2234632T3 (ja) |
| NO (1) | NO333625B1 (ja) |
| SE (1) | SE513247C2 (ja) |
| WO (1) | WO2001000898A1 (ja) |
| ZA (1) | ZA200101378B (ja) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE514044C2 (sv) * | 1998-10-23 | 2000-12-18 | Sandvik Ab | Stål för havsvattentillämpningar |
| NL1014512C2 (nl) * | 2000-02-28 | 2001-08-29 | Dsm Nv | Methode voor het lassen van duplex staal. |
| SE514816C2 (sv) | 2000-03-02 | 2001-04-30 | Sandvik Ab | Duplext rostfritt stål |
| WO2002088411A1 (en) * | 2001-04-27 | 2002-11-07 | Research Institute Of Industrial Science & Technology | High manganese duplex stainless steel having superior hot workabilities and method for manufacturing thereof |
| AR038192A1 (es) * | 2002-02-05 | 2005-01-05 | Toyo Engineering Corp | Acero inoxidable duplex para plantas de produccion de urea, planta de produccion de urea y material de soldadura fabricado con dicho acero inoxidable duplex. |
| 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 |
| WO2005001151A1 (ja) * | 2003-06-30 | 2005-01-06 | Sumitomo Metal Industries, Ltd. | 二相ステンレス鋼 |
| SE528782C2 (sv) * | 2004-11-04 | 2007-02-13 | Sandvik Intellectual Property | Duplext rostfritt stål med hög sträckgräns, artiklar och användning av stålet |
| JP2008179844A (ja) * | 2007-01-23 | 2008-08-07 | Yamaha Marine Co Ltd | 二相ステンレス鋼及び二相ステンレス鋼製鋳造品 |
| CA2770378C (en) * | 2009-09-10 | 2014-02-18 | Sumitomo Metal Industries, Ltd. | Duplex stainless steel |
| JP5018863B2 (ja) * | 2009-11-13 | 2012-09-05 | 住友金属工業株式会社 | 耐アルカリ性に優れた二相ステンレス鋼 |
| CN101935809B (zh) * | 2010-09-10 | 2012-09-05 | 钢铁研究总院 | 高性能稀土双相不锈钢合金材料及其制备方法 |
| CN103429776B (zh) | 2011-03-10 | 2016-08-10 | 新日铁住金株式会社 | 双相不锈钢 |
| KR20210100212A (ko) * | 2011-05-26 | 2021-08-13 | 유나이티드 파이프라인스 아시아 패시픽 피티이 리미티드 | 오스테나이트계 스테인리스강 |
| FI125854B (fi) * | 2011-11-04 | 2016-03-15 | Outokumpu Oy | Dupleksi ruostumaton teräs |
| JP5857914B2 (ja) * | 2012-08-23 | 2016-02-10 | 新日鐵住金株式会社 | 二相ステンレス鋼用溶接材料 |
| CN103438951A (zh) * | 2013-09-06 | 2013-12-11 | 高正 | 合金钢耐磨防堵式风量及风速传感器 |
| CA2991658C (en) * | 2015-07-20 | 2023-12-19 | Sandvik Intellectual Property Ab | Duplex stainless steel and formed object thereof |
| KR101889176B1 (ko) * | 2016-12-15 | 2018-08-16 | 주식회사 포스코 | 크랙발생이 저감된 고강도 듀플렉스 스테인리스 강 및 그 제조방법 |
| 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 |
| CN111344426A (zh) * | 2017-11-15 | 2020-06-26 | 日本制铁株式会社 | 双相不锈钢以及双相不锈钢的制造方法 |
| CN111742075B (zh) | 2018-02-15 | 2022-07-08 | 山特维克知识产权股份有限公司 | 新型双相不锈钢 |
| WO2022196498A1 (ja) * | 2021-03-15 | 2022-09-22 | 日鉄ステンレス株式会社 | 二相ステンレス鋼 |
| WO2023198720A1 (en) * | 2022-04-12 | 2023-10-19 | Alleima Tube Ab | New duplex stainless steel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3227734B2 (ja) * | 1991-09-30 | 2001-11-12 | 住友金属工業株式会社 | 高耐食二相ステンレス鋼とその製造方法 |
| 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 |
| SE501321C2 (sv) * | 1993-06-21 | 1995-01-16 | Sandvik Ab | Ferrit-austenitiskt rostfritt stål samt användning av stålet |
| JPH0813094A (ja) * | 1994-06-24 | 1996-01-16 | Sumitomo Metal Mining Co Ltd | 二相ステンレス鋳鋼およびその製法 |
| 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 |
| WO1996039543A2 (en) * | 1995-06-05 | 1996-12-12 | Pohang Iron & Steel Co., Ltd. | Duplex stainless steel, and its manufacturing method |
| JPH09209087A (ja) * | 1996-02-01 | 1997-08-12 | Sumitomo Metal Mining Co Ltd | 二相ステンレス鋼 |
-
1999
- 1999-06-29 SE SE9902472A patent/SE513247C2/sv not_active IP Right Cessation
-
2000
- 2000-06-13 DE DE60018544T patent/DE60018544T2/de not_active Expired - Lifetime
- 2000-06-13 CN CN00801222A patent/CN1113976C/zh not_active Expired - Fee Related
- 2000-06-13 WO PCT/SE2000/001235 patent/WO2001000898A1/en active IP Right Grant
- 2000-06-13 ES ES00944518T patent/ES2234632T3/es not_active Expired - Lifetime
- 2000-06-13 AT AT00944518T patent/ATE290614T1/de active
- 2000-06-13 JP JP2001506299A patent/JP3822493B2/ja not_active Expired - Fee Related
- 2000-06-13 CA CA002342817A patent/CA2342817C/en not_active Expired - Lifetime
- 2000-06-13 EP EP00944518A patent/EP1117848B1/en not_active Expired - Lifetime
- 2000-06-13 KR KR1020017002428A patent/KR100545301B1/ko active IP Right Grant
- 2000-06-29 US US09/605,981 patent/US6312532B1/en not_active Expired - Lifetime
-
2001
- 2001-02-19 ZA ZA200101378A patent/ZA200101378B/en unknown
- 2001-02-27 NO NO20011004A patent/NO333625B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE290614T1 (de) | 2005-03-15 |
| JP2003503596A (ja) | 2003-01-28 |
| EP1117848B1 (en) | 2005-03-09 |
| CN1316019A (zh) | 2001-10-03 |
| CA2342817A1 (en) | 2001-01-04 |
| KR100545301B1 (ko) | 2006-01-24 |
| WO2001000898A1 (en) | 2001-01-04 |
| JP3822493B2 (ja) | 2006-09-20 |
| DE60018544T2 (de) | 2005-07-28 |
| EP1117848A1 (en) | 2001-07-25 |
| CA2342817C (en) | 2008-05-20 |
| ZA200101378B (en) | 2002-06-28 |
| NO20011004D0 (no) | 2001-02-27 |
| SE9902472D0 (sv) | 1999-06-29 |
| US6312532B1 (en) | 2001-11-06 |
| SE9902472L (sv) | 2000-08-07 |
| ES2234632T3 (es) | 2005-07-01 |
| DE60018544D1 (de) | 2005-04-14 |
| KR20010072981A (ko) | 2001-07-31 |
| NO20011004L (no) | 2001-03-21 |
| SE513247C2 (sv) | 2000-08-07 |
| CN1113976C (zh) | 2003-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CREP | Change of representative |
Representative=s name: BRYN AARFLOT AS POSTBOKS 449 SENTRUM OSLO, 0104 NO |
|
| MM1K | Lapsed by not paying the annual fees |