JP7845035B2 - 非磁性オーステナイト系ステンレス鋼材及びその製造方法 - Google Patents
非磁性オーステナイト系ステンレス鋼材及びその製造方法Info
- Publication number
- JP7845035B2 JP7845035B2 JP2022077769A JP2022077769A JP7845035B2 JP 7845035 B2 JP7845035 B2 JP 7845035B2 JP 2022077769 A JP2022077769 A JP 2022077769A JP 2022077769 A JP2022077769 A JP 2022077769A JP 7845035 B2 JP7845035 B2 JP 7845035B2
- Authority
- JP
- Japan
- Prior art keywords
- steel material
- stainless steel
- austenitic stainless
- mass
- content
- 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.)
- Active
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
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- 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
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0231—Warm rolling
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys 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
- 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
- C21D9/085—Cooling or quenching
-
- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022077769A JP7845035B2 (ja) | 2022-05-10 | 2022-05-10 | 非磁性オーステナイト系ステンレス鋼材及びその製造方法 |
| US18/142,803 US12577645B2 (en) | 2022-05-10 | 2023-05-03 | Non-magnetic austenitic stainless steel material and production method therefor |
| EP23172273.7A EP4279628A1 (en) | 2022-05-10 | 2023-05-09 | Non-magnetic austenitic stainless steel material and production method therefor |
| CN202310521179.4A CN117026110A (zh) | 2022-05-10 | 2023-05-10 | 非磁性奥氏体不锈钢材料及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022077769A JP7845035B2 (ja) | 2022-05-10 | 2022-05-10 | 非磁性オーステナイト系ステンレス鋼材及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023166911A JP2023166911A (ja) | 2023-11-22 |
| JP2023166911A5 JP2023166911A5 (https=) | 2025-09-09 |
| JP7845035B2 true JP7845035B2 (ja) | 2026-04-14 |
Family
ID=86330752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022077769A Active JP7845035B2 (ja) | 2022-05-10 | 2022-05-10 | 非磁性オーステナイト系ステンレス鋼材及びその製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12577645B2 (https=) |
| EP (1) | EP4279628A1 (https=) |
| JP (1) | JP7845035B2 (https=) |
| CN (1) | CN117026110A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20260022594A (ko) * | 2024-08-08 | 2026-02-20 | 주식회사 포스코 | 비자성 오스테나이트계 스테인리스강 및 그 제조방법 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005281856A (ja) | 2004-03-01 | 2005-10-13 | Komatsu Ltd | Fe系シール摺動部材およびその製造方法 |
| JP2022514920A (ja) | 2018-12-20 | 2022-02-16 | フェストアルピネ・ベーラー・エーデルシュタール・ゲー・エム・ベー・ハー・ウント・コー・カー・ゲー | スーパーオーステナイト系材料 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6456858A (en) * | 1987-08-28 | 1989-03-03 | Nippon Kokan Kk | Alloy for chemical industry excellent in corrosion resistance and strength |
| JPH0765143B2 (ja) | 1988-08-22 | 1995-07-12 | 株式会社神戸製鋼所 | 耐再加熱特性に優れた極低温用非磁性オーステナイト系ステンレス鋼 |
| JPH0565601A (ja) | 1991-09-03 | 1993-03-19 | Hitachi Metals Ltd | 高強度、高疲労強度オーステナイト系ステンレス鋼およびその製造方法 |
| JP3304001B2 (ja) * | 1993-07-09 | 2002-07-22 | 日立金属株式会社 | 耐孔食性の優れたオーステナイト系ステンレス鋼およびその製造方法 |
| JP3546421B2 (ja) | 1995-03-31 | 2004-07-28 | 大同特殊鋼株式会社 | 高強度・高耐食含窒素オーステナイ ト系ステンレス鋼 |
| JP3347582B2 (ja) | 1996-04-12 | 2002-11-20 | 大同特殊鋼株式会社 | メタルガスケット用オーステナイト系ステンレス鋼 及びその製造方法 |
| JP2005281855A (ja) | 2004-03-04 | 2005-10-13 | Daido Steel Co Ltd | 耐熱オーステナイト系ステンレス鋼及びその製造方法 |
| JP5057055B2 (ja) | 2007-07-30 | 2012-10-24 | 大同特殊鋼株式会社 | 非磁性ステンレス鋼の鍛造製品、該鍛造製品を用いたドリルカラー及び該鍛造製品の製造方法 |
| CN106170576B (zh) * | 2014-04-17 | 2019-02-05 | 新日铁住金株式会社 | 奥氏体系不锈钢及其制造方法 |
| US20180258505A1 (en) | 2015-09-30 | 2018-09-13 | Nippon Steel & Sumitomo Metal Corporation | Austenitic Stainless Steel and Method of Manufacturing Austenitic Stainless Steel |
| US20190112694A1 (en) | 2016-04-07 | 2019-04-18 | Nippon Steel & Sumitomo Metal Corporation | Austenitic Stainless Steel Material |
| DE102018133251A1 (de) | 2018-12-20 | 2020-06-25 | Schoeller-Bleckmann Oilfield Technology Gmbh | Bohrstrangkomponente mit hoher Korrosionsbeständigkeit und Verfahren zu ihrer Herstellung |
| CN110117746B (zh) | 2019-02-01 | 2021-07-27 | 上海加宁新材料科技有限公司 | 一种高性能无磁不锈钢的制造方法 |
| JP7556675B2 (ja) | 2019-05-31 | 2024-09-26 | 日本製鉄株式会社 | オーステナイト系ステンレス鋼材 |
| JP2022077769A (ja) | 2020-11-12 | 2022-05-24 | 章子 山本 | 足場部材及び足場システム |
-
2022
- 2022-05-10 JP JP2022077769A patent/JP7845035B2/ja active Active
-
2023
- 2023-05-03 US US18/142,803 patent/US12577645B2/en active Active
- 2023-05-09 EP EP23172273.7A patent/EP4279628A1/en active Pending
- 2023-05-10 CN CN202310521179.4A patent/CN117026110A/zh active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005281856A (ja) | 2004-03-01 | 2005-10-13 | Komatsu Ltd | Fe系シール摺動部材およびその製造方法 |
| JP2022514920A (ja) | 2018-12-20 | 2022-02-16 | フェストアルピネ・ベーラー・エーデルシュタール・ゲー・エム・ベー・ハー・ウント・コー・カー・ゲー | スーパーオーステナイト系材料 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2023166911A (ja) | 2023-11-22 |
| EP4279628A1 (en) | 2023-11-22 |
| CN117026110A (zh) | 2023-11-10 |
| US12577645B2 (en) | 2026-03-17 |
| US20230366072A1 (en) | 2023-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2011246246B2 (en) | High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well | |
| RU2307876C2 (ru) | Высокопрочная мартенситная нержавеющая сталь с высокой коррозионной стойкостью к газообразному диоксиду углерода и сопротивлением коррозионному растрескиванию под напряжением в сероводородной среде | |
| JP5526809B2 (ja) | 高耐食・高強度・非磁性ステンレス鋼並びに高耐食・高強度・非磁性ステンレス鋼製品及びその製造方法 | |
| JP5685198B2 (ja) | フェライト−オーステナイト系ステンレス鋼 | |
| AU2017266359B2 (en) | Steel bar for downhole member and downhole member | |
| JP5162954B2 (ja) | 高強度非磁性ステンレス鋼、並びに、高強度非磁性ステンレス鋼部品及びその製造方法 | |
| JP5366609B2 (ja) | 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 | |
| KR101539520B1 (ko) | 2상 스테인리스강 | |
| JP4249419B2 (ja) | 2相ステンレス鋼 | |
| AU2003200351B2 (en) | Duplex stainless steel for urea manufacturing plants | |
| JP2008038214A (ja) | 二相ステンレス鋼 | |
| JP2004526058A (ja) | 高温用途の鋼及び鋼管 | |
| WO2008023702A1 (fr) | Acier inoxydable martensitique | |
| CN100497705C (zh) | 耐腐蚀性优良的管线管用高强度不锈钢管及其制造方法 | |
| KR102124914B1 (ko) | 오스테나이트계 스테인리스강 | |
| JP5974623B2 (ja) | 時効硬化型ベイナイト非調質鋼 | |
| JP7845035B2 (ja) | 非磁性オーステナイト系ステンレス鋼材及びその製造方法 | |
| JP2018178144A (ja) | 優れた熱間加工性を有する析出硬化型ステンレス鋼 | |
| Kulkarni et al. | Improvement in mechanical properties of 13Cr martensitic stainless steels using modified heat treatments | |
| CN113316651A (zh) | 钢材及部件 | |
| JP2015199971A (ja) | 高強度非磁性ステンレス鋼、及びステンレス鋼部品 | |
| CN119095999A (zh) | 新型双相不锈钢 | |
| JP7445125B2 (ja) | オーステナイト系ステンレス鋼管 | |
| JP2006104498A (ja) | 加工性および低温靭性に優れた高純度フェライト系鋼板 | |
| RU2823412C1 (ru) | Изделие в виде прутка для изготовления деталей электропогружных установок для добычи нефти из сплава на основе железа и хрома |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20241004 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20250313 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20250901 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20251208 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20251212 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20260108 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20260303 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20260316 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7845035 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |