JP6063845B2 - 構造体およびその製造方法 - Google Patents
構造体およびその製造方法 Download PDFInfo
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- JP6063845B2 JP6063845B2 JP2013184602A JP2013184602A JP6063845B2 JP 6063845 B2 JP6063845 B2 JP 6063845B2 JP 2013184602 A JP2013184602 A JP 2013184602A JP 2013184602 A JP2013184602 A JP 2013184602A JP 6063845 B2 JP6063845 B2 JP 6063845B2
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- stainless steel
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- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 230000005291 magnetic effect Effects 0.000 claims description 164
- 238000010438 heat treatment Methods 0.000 claims description 50
- 230000005415 magnetization Effects 0.000 claims description 34
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 16
- 230000008034 disappearance Effects 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 32
- 239000000463 material Substances 0.000 description 29
- 230000003068 static effect Effects 0.000 description 25
- 238000001816 cooling Methods 0.000 description 24
- 238000005096 rolling process Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 238000001556 precipitation Methods 0.000 description 14
- 230000007423 decrease Effects 0.000 description 13
- 239000000203 mixture Substances 0.000 description 12
- 230000035882 stress Effects 0.000 description 12
- 238000009792 diffusion process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000005294 ferromagnetic effect Effects 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 230000005307 ferromagnetism Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000756 V alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- 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
- C21D1/04—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering with simultaneous application of supersonic waves, magnetic or electric fields
-
- 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
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
-
- 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
- C22C38/04—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
- C22C38/18—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
- C22C38/58—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
- C21D2211/004—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
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/47—Molded joint
- Y10T403/477—Fusion bond, e.g., weld, etc.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Optics & Photonics (AREA)
Description
11---フェライトスコープ、12---永久磁石、13---渦電流加熱コイル、14---二相ステンレス管、15---熱影響部、20---被処理材、21---電磁石、22---ヒータ
Claims (1)
- 二相ステンレス鋼を溶接して形成する構造体の製造方法において、
前記二相ステンレス鋼の溶接部を含む熱影響部に1〜10Tの磁場を印加しながら、主相のキュリー点以上であり磁場印加時の磁化消失温度以下の温度範囲である600℃〜800℃の温度で熱処理することを特徴とする二相ステンレス鋼の構造体の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013184602A JP6063845B2 (ja) | 2013-09-06 | 2013-09-06 | 構造体およびその製造方法 |
US14/462,901 US20150071702A1 (en) | 2013-09-06 | 2014-08-19 | Structural body and production method for the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013184602A JP6063845B2 (ja) | 2013-09-06 | 2013-09-06 | 構造体およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015052137A JP2015052137A (ja) | 2015-03-19 |
JP6063845B2 true JP6063845B2 (ja) | 2017-01-18 |
Family
ID=52625773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013184602A Expired - Fee Related JP6063845B2 (ja) | 2013-09-06 | 2013-09-06 | 構造体およびその製造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20150071702A1 (ja) |
JP (1) | JP6063845B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018204040A (ja) * | 2015-09-15 | 2018-12-27 | 株式会社日立製作所 | 二相ステンレス鋼製造物およびその製造方法 |
CN106544493B (zh) * | 2016-10-19 | 2018-04-20 | 中国神华能源股份有限公司 | 管道的手孔管与端盖间连接焊缝的热处理方法 |
CN111286597B (zh) * | 2020-03-20 | 2021-02-26 | 中国石油大学(华东) | 主副加热调控残余应力局部热处理方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62230495A (ja) * | 1986-03-31 | 1987-10-09 | Sumitomo Metal Ind Ltd | 溶製二相ステンレス鋼用溶接材料 |
JP3146889B2 (ja) * | 1994-12-02 | 2001-03-19 | 住友金属工業株式会社 | 溶接部の靱性および耐食性に優れた2相ステンレス鋼溶接管の製造方法 |
JPH09111335A (ja) * | 1995-10-16 | 1997-04-28 | Toshiba Corp | 2相ステンレス鋼の熱処理法 |
WO1998010189A1 (fr) * | 1996-09-04 | 1998-03-12 | Hitachi, Ltd. | Roue de turbine de pompage/stockage d'eau de mer, son procede de fabrication et installation de pompage/stockage d'eau de mer |
JPH10287921A (ja) * | 1997-04-15 | 1998-10-27 | Kawasaki Steel Corp | 鋼材の磁場中熱処理方法 |
JP5868206B2 (ja) * | 2011-03-09 | 2016-02-24 | 新日鐵住金ステンレス株式会社 | 溶接部耐食性に優れた二相ステンレス鋼 |
CN102560065A (zh) * | 2012-02-08 | 2012-07-11 | 瓮福(集团)有限责任公司 | 用于改善双相不锈钢焊接组织的热处理方法 |
-
2013
- 2013-09-06 JP JP2013184602A patent/JP6063845B2/ja not_active Expired - Fee Related
-
2014
- 2014-08-19 US US14/462,901 patent/US20150071702A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20150071702A1 (en) | 2015-03-12 |
JP2015052137A (ja) | 2015-03-19 |
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