EP3354762A4 - Duplex stainless steel material and duplex stainless steel tube - Google Patents
Duplex stainless steel material and duplex stainless steel tube Download PDFInfo
- Publication number
- EP3354762A4 EP3354762A4 EP16866171.8A EP16866171A EP3354762A4 EP 3354762 A4 EP3354762 A4 EP 3354762A4 EP 16866171 A EP16866171 A EP 16866171A EP 3354762 A4 EP3354762 A4 EP 3354762A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- duplex stainless
- steel material
- steel tube
- tube
- 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.)
- Withdrawn
Links
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
- C22C38/58—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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- 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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- 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
- 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
- C22C38/46—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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/18—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
- 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
- C21D2211/004—Dispersions; Precipitations
-
- 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
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
Landscapes
- 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)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015225214 | 2015-11-17 | ||
JP2016170298A JP2017095794A (en) | 2015-11-17 | 2016-08-31 | Duplex stainless steel material and duplex stainless steel tube |
PCT/JP2016/082652 WO2017086169A1 (en) | 2015-11-17 | 2016-11-02 | Duplex stainless steel material and duplex stainless steel tube |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3354762A1 EP3354762A1 (en) | 2018-08-01 |
EP3354762A4 true EP3354762A4 (en) | 2019-04-24 |
Family
ID=58817026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16866171.8A Withdrawn EP3354762A4 (en) | 2015-11-17 | 2016-11-02 | Duplex stainless steel material and duplex stainless steel tube |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190292639A1 (en) |
EP (1) | EP3354762A4 (en) |
JP (1) | JP2017095794A (en) |
KR (1) | KR20180081582A (en) |
CN (1) | CN108350541A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109972060B (en) * | 2019-05-07 | 2020-10-09 | 四川维珍高新材料有限公司 | Low-nickel high-strength duplex stainless steel material and preparation method thereof |
SE1950909A1 (en) * | 2019-07-31 | 2021-02-01 | Ferritico Ab | Duplex steel with improved embrittlement properties and method of producing such |
US20230099909A1 (en) * | 2020-01-15 | 2023-03-30 | Nippon Steel Stainless Steel Corporation | Ferritic stainless steel |
CN111197144A (en) * | 2020-02-21 | 2020-05-26 | 青岛三庆金属有限公司 | High-temperature-resistant stainless steel composition for food heating container |
US20230077707A1 (en) * | 2020-02-27 | 2023-03-16 | Nippon Steel Stainless Steel Corporation | Stainless steel, stainless steel material, and method for producing stainless steel |
JP7436821B2 (en) | 2020-03-25 | 2024-02-22 | 日本製鉄株式会社 | Duplex stainless steel material |
CN115485406B (en) * | 2020-05-07 | 2023-12-19 | 日本制铁株式会社 | Double-phase stainless steel seamless steel pipe |
CN115522209B (en) * | 2022-10-09 | 2024-01-30 | 浙江丰业集团有限公司 | Steel strengthening treatment liquid and steel treatment process |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0818552A2 (en) * | 1996-07-13 | 1998-01-14 | Schmidt + Clemens GmbH + Co. | Ferritic-austenitic stainless steel casting alloy |
JP2008214713A (en) * | 2007-03-06 | 2008-09-18 | Sumitomo Metal Ind Ltd | Billet for seamless steel tube, and seamless steel tube |
JP2013234344A (en) * | 2012-05-07 | 2013-11-21 | Kobe Steel Ltd | Duplex phase stainless steel material and duplex phase stainless steel pipe |
WO2014112445A1 (en) * | 2013-01-15 | 2014-07-24 | 株式会社神戸製鋼所 | Duplex stainless steel material and duplex stainless steel pipe |
JP2015078429A (en) * | 2013-09-11 | 2015-04-23 | 株式会社神戸製鋼所 | Duplex stainless steel material and duplex stainless steel tube |
JP2015110828A (en) * | 2013-11-05 | 2015-06-18 | 株式会社神戸製鋼所 | Duplex stainless steel material and duplex stainless steel tube |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03291358A (en) | 1990-04-09 | 1991-12-20 | Sumitomo Metal Ind Ltd | Duplex stainless steel excellent in toughness and hot workability and its production |
JP2500162B2 (en) | 1991-11-11 | 1996-05-29 | 住友金属工業株式会社 | High strength duplex stainless steel with excellent corrosion resistance |
JPH08170153A (en) | 1994-12-19 | 1996-07-02 | Sumitomo Metal Ind Ltd | Highly corrosion resistant two phase stainless steel |
JP2000212704A (en) | 1999-01-20 | 2000-08-02 | Nippon Steel Corp | Ferritic stainless steel excellent in workability and corrosion resistance and production of thin steel sheet thereof |
JP3831184B2 (en) | 2000-09-06 | 2006-10-11 | 新日鐵住金ステンレス株式会社 | Stainless steel slab having austenite-ferrite two-phase excellent in hot workability |
JP3864921B2 (en) | 2002-03-29 | 2007-01-10 | 住友金属工業株式会社 | Low alloy steel |
CN101748343A (en) * | 2008-12-01 | 2010-06-23 | 朱浩锋 | High-corrosion resistant high-strength dual-phase hot-rolled stainless steel strip and hot rolling process thereof |
CN104032108B (en) * | 2014-06-06 | 2016-03-02 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of production method of duplex stainless steel hot rolling volume |
CN104438418B (en) * | 2014-09-28 | 2017-01-25 | 浙江富钢金属制品有限公司 | Rolling method of stainless steel mold cast steel ingot by one-heating forming |
-
2016
- 2016-08-31 JP JP2016170298A patent/JP2017095794A/en active Pending
- 2016-11-02 US US15/769,922 patent/US20190292639A1/en not_active Abandoned
- 2016-11-02 CN CN201680064722.0A patent/CN108350541A/en active Pending
- 2016-11-02 EP EP16866171.8A patent/EP3354762A4/en not_active Withdrawn
- 2016-11-02 KR KR1020187016556A patent/KR20180081582A/en not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0818552A2 (en) * | 1996-07-13 | 1998-01-14 | Schmidt + Clemens GmbH + Co. | Ferritic-austenitic stainless steel casting alloy |
JP2008214713A (en) * | 2007-03-06 | 2008-09-18 | Sumitomo Metal Ind Ltd | Billet for seamless steel tube, and seamless steel tube |
JP2013234344A (en) * | 2012-05-07 | 2013-11-21 | Kobe Steel Ltd | Duplex phase stainless steel material and duplex phase stainless steel pipe |
WO2014112445A1 (en) * | 2013-01-15 | 2014-07-24 | 株式会社神戸製鋼所 | Duplex stainless steel material and duplex stainless steel pipe |
JP2015078429A (en) * | 2013-09-11 | 2015-04-23 | 株式会社神戸製鋼所 | Duplex stainless steel material and duplex stainless steel tube |
JP2015110828A (en) * | 2013-11-05 | 2015-06-18 | 株式会社神戸製鋼所 | Duplex stainless steel material and duplex stainless steel tube |
Non-Patent Citations (1)
Title |
---|
See also references of WO2017086169A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20180081582A (en) | 2018-07-16 |
CN108350541A (en) | 2018-07-31 |
JP2017095794A (en) | 2017-06-01 |
EP3354762A1 (en) | 2018-08-01 |
US20190292639A1 (en) | 2019-09-26 |
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