WO2013048181A3 - 내식성 및 열간가공성이 우수한 저합금 듀플렉스 스테인리스강 - Google Patents
내식성 및 열간가공성이 우수한 저합금 듀플렉스 스테인리스강 Download PDFInfo
- Publication number
- WO2013048181A3 WO2013048181A3 PCT/KR2012/007919 KR2012007919W WO2013048181A3 WO 2013048181 A3 WO2013048181 A3 WO 2013048181A3 KR 2012007919 W KR2012007919 W KR 2012007919W WO 2013048181 A3 WO2013048181 A3 WO 2013048181A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stainless steel
- low
- duplex stainless
- corrosion resistance
- hot working
- Prior art date
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- 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
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- 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
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
-
- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical 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)
- Paper (AREA)
Abstract
본 발명은 담수설비, 펄프 및 제지 산업설비, 화학설비, 건축설비를 포함하는 산업설비 등에 사용되는 저합금 듀플렉스 스테인리스강으로서, 중량%로, C: 0 초과 0.06% 이하, Si: 0 초과 1.5% 이하, Mn: 0 초과 2% 이하, Cr: 19~23%, Ni: 1.8~3.5%, Mo 0.5~1.0%, Cu: 0.3~1.0%, N: 0.16~0.30%를 함유하고, Al: 0.003~0.05%, B: 0.001~0.005%, Ca: 0.001~0.01%를 더 포함하되, 상기 스테인리스강의 소강 O의 함유량이 0.01% 이하이고, 나머지는 Fe 및 불가피한 불순물을 포함하는 내식성 및 열간가공성이 우수한 저합금 듀플렉스 스테인리스강을 제공한다.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/347,827 US10280491B2 (en) | 2011-09-28 | 2012-09-28 | Low-alloy duplex stainless steel having outstanding corrosion resistance and hot working properties |
EP12836056.7A EP2762597B1 (en) | 2011-09-28 | 2012-09-28 | Low-alloy duplex stainless steel having outstanding corrosion resistance and hot working properties |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2011-0098320 | 2011-09-28 | ||
KR1020110098320A KR20130034349A (ko) | 2011-09-28 | 2011-09-28 | 내식성 및 열간가공성이 우수한 저합금 듀플렉스 스테인리스강 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2013048181A2 WO2013048181A2 (ko) | 2013-04-04 |
WO2013048181A3 true WO2013048181A3 (ko) | 2013-05-23 |
Family
ID=47996645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/007919 WO2013048181A2 (ko) | 2011-09-28 | 2012-09-28 | 내식성 및 열간가공성이 우수한 저합금 듀플렉스 스테인리스강 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10280491B2 (ko) |
EP (1) | EP2762597B1 (ko) |
KR (1) | KR20130034349A (ko) |
WO (1) | WO2013048181A2 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160080304A (ko) * | 2014-12-26 | 2016-07-08 | 주식회사 포스코 | 심가공 특성이 우수한 듀플렉스 스테인리스강 |
CN108699645B (zh) | 2016-02-17 | 2020-06-16 | 新日铁住金不锈钢株式会社 | 铁素体-奥氏体系二相不锈钢材及其制造方法 |
CN108396223B (zh) * | 2018-03-29 | 2020-09-29 | 东北大学 | 一种超级奥氏体不锈钢及其合金成分优化设计方法 |
CN112063919B (zh) * | 2020-07-31 | 2021-11-26 | 丽水市正阳电力设计院有限公司 | 一种双相不锈钢 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58224155A (ja) * | 1982-06-19 | 1983-12-26 | Kawasaki Steel Corp | 2相ステンレス継目無鋼管およびその製造方法 |
JP2010084220A (ja) * | 2008-10-02 | 2010-04-15 | Nippon Steel & Sumikin Stainless Steel Corp | 衝撃靭性に優れた二相ステンレス熱間圧延鋼材とその製造方法 |
JP2010222695A (ja) * | 2009-03-25 | 2010-10-07 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性の良好な省合金二相ステンレス鋼材とその製造方法 |
JP2010229459A (ja) * | 2009-03-26 | 2010-10-14 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性の良好な省合金二相ステンレス鋼材とその製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58197260A (ja) | 1982-05-13 | 1983-11-16 | Kobe Steel Ltd | 酸性油井用2相系ステンレス鋼 |
SE451465B (sv) | 1984-03-30 | 1987-10-12 | Sandvik Steel Ab | Ferrit-austenitiskt rostfritt stal mikrolegerat med molybden och koppar och anvendning av stalet |
KR100216683B1 (ko) * | 1994-12-16 | 1999-09-01 | 고지마 마타오 | 내식성이 우수한 2상 스테인레스강 |
FR2765243B1 (fr) | 1997-06-30 | 1999-07-30 | Usinor | Acier inoxydable austenoferritique a tres bas nickel et presentant un fort allongement en traction |
SE517449C2 (sv) | 2000-09-27 | 2002-06-04 | Avesta Polarit Ab Publ | Ferrit-austenitiskt rostfritt stål |
US8043446B2 (en) | 2001-04-27 | 2011-10-25 | Research Institute Of Industrial Science And Technology | High manganese duplex stainless steel having superior hot workabilities and method manufacturing thereof |
KR100834595B1 (ko) | 2001-10-30 | 2008-06-02 | 에이티아이 프로퍼티즈, 인코퍼레이티드 | 듀플렉스 스테인리스 스틸 |
JP4760032B2 (ja) | 2004-01-29 | 2011-08-31 | Jfeスチール株式会社 | 成形性に優れるオーステナイト・フェライト系ステンレス鋼 |
EP1715073B1 (en) | 2004-01-29 | 2014-10-22 | JFE Steel Corporation | Austenitic-ferritic stainless steel |
JP2005271307A (ja) | 2004-03-23 | 2005-10-06 | Konica Minolta Business Technologies Inc | 画像形成装置および画像形成装置の装置情報出力方法 |
KR20060074400A (ko) | 2004-12-27 | 2006-07-03 | 주식회사 포스코 | 니켈 절감형 고내식성 2상 스테인리스강 |
JP4502131B2 (ja) | 2005-09-20 | 2010-07-14 | 住友金属工業株式会社 | 熱間加工性に優れた二相ステンレス鋼 |
EP1867748A1 (fr) | 2006-06-16 | 2007-12-19 | Industeel Creusot | Acier inoxydable duplex |
JP5072285B2 (ja) | 2006-08-08 | 2012-11-14 | 新日鐵住金ステンレス株式会社 | 二相ステンレス鋼 |
TWI394848B (zh) * | 2007-10-10 | 2013-05-01 | Nippon Steel & Sumikin Sst | 雙相不銹鋼線材、鋼線及螺釘以及其製造方法 |
KR101767016B1 (ko) * | 2008-03-26 | 2017-08-09 | 닛폰 스틸 앤드 스미킨 스테인레스 스틸 코포레이션 | 용접 열 영향부의 내식성과 인성이 양호한 저합금 2상 스테인리스강 |
-
2011
- 2011-09-28 KR KR1020110098320A patent/KR20130034349A/ko active Application Filing
-
2012
- 2012-09-28 WO PCT/KR2012/007919 patent/WO2013048181A2/ko active Application Filing
- 2012-09-28 EP EP12836056.7A patent/EP2762597B1/en not_active Not-in-force
- 2012-09-28 US US14/347,827 patent/US10280491B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58224155A (ja) * | 1982-06-19 | 1983-12-26 | Kawasaki Steel Corp | 2相ステンレス継目無鋼管およびその製造方法 |
JP2010084220A (ja) * | 2008-10-02 | 2010-04-15 | Nippon Steel & Sumikin Stainless Steel Corp | 衝撃靭性に優れた二相ステンレス熱間圧延鋼材とその製造方法 |
JP2010222695A (ja) * | 2009-03-25 | 2010-10-07 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性の良好な省合金二相ステンレス鋼材とその製造方法 |
JP2010229459A (ja) * | 2009-03-26 | 2010-10-14 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性の良好な省合金二相ステンレス鋼材とその製造方法 |
Non-Patent Citations (1)
Title |
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See also references of EP2762597A4 * |
Also Published As
Publication number | Publication date |
---|---|
US10280491B2 (en) | 2019-05-07 |
WO2013048181A2 (ko) | 2013-04-04 |
EP2762597B1 (en) | 2017-02-01 |
US20150267285A1 (en) | 2015-09-24 |
EP2762597A2 (en) | 2014-08-06 |
KR20130034349A (ko) | 2013-04-05 |
EP2762597A4 (en) | 2015-08-19 |
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