AU2024231754A1 - High-strength seamless steel pipe for high-pressure hydrogen container and method for manufacturing the same - Google Patents
High-strength seamless steel pipe for high-pressure hydrogen container and method for manufacturing the sameInfo
- Publication number
- AU2024231754A1 AU2024231754A1 AU2024231754A AU2024231754A AU2024231754A1 AU 2024231754 A1 AU2024231754 A1 AU 2024231754A1 AU 2024231754 A AU2024231754 A AU 2024231754A AU 2024231754 A AU2024231754 A AU 2024231754A AU 2024231754 A1 AU2024231754 A1 AU 2024231754A1
- Authority
- AU
- Australia
- Prior art keywords
- less
- steel
- precipitates
- temperature
- hydrogen
- 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.)
- Pending
Links
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
- 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
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- 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
- C21D6/02—Hardening by precipitation
-
- 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
- C21D8/021—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 involving particular fabrication steps or treatments of ingots or slabs
- C21D8/0215—Rapid solidification; Thin strip casting
-
- 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
- C21D8/0247—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 heat treatment
- C21D8/0263—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 heat treatment following 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
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant 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
- C22C38/002—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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—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
- 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
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023-034158 | 2023-03-07 | ||
| JP2023034158 | 2023-03-07 | ||
| PCT/JP2024/007115 WO2024185593A1 (ja) | 2023-03-07 | 2024-02-27 | 高圧水素容器用高強度継目無鋼管およびその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2024231754A1 true AU2024231754A1 (en) | 2025-07-31 |
Family
ID=92675108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2024231754A Pending AU2024231754A1 (en) | 2023-03-07 | 2024-02-27 | High-strength seamless steel pipe for high-pressure hydrogen container and method for manufacturing the same |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP4636111A4 (https=) |
| JP (1) | JP7697601B2 (https=) |
| KR (1) | KR20250141195A (https=) |
| CN (1) | CN120787267A (https=) |
| AU (1) | AU2024231754A1 (https=) |
| CL (1) | CL2025002634A1 (https=) |
| WO (1) | WO2024185593A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2026053865A1 (ja) * | 2024-09-04 | 2026-03-12 | Jfeスチール株式会社 | 継目無鋼管およびその製造方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5098843B2 (ja) | 2007-06-29 | 2012-12-12 | Jfeスチール株式会社 | 金属試料中の着目元素の固溶含有率を求める方法 |
| JP5159196B2 (ja) | 2007-07-20 | 2013-03-06 | 古河スカイ株式会社 | 高圧水素ガス貯蔵容器用アルミニウム合金 |
| JP5094272B2 (ja) | 2007-08-21 | 2012-12-12 | 株式会社日本製鋼所 | 耐高圧水素環境脆化特性に優れた低合金高強度鋼およびその製造方法 |
| JP4251229B1 (ja) | 2007-09-19 | 2009-04-08 | 住友金属工業株式会社 | 高圧水素ガス環境用低合金鋼および高圧水素用容器 |
| JP5353501B2 (ja) | 2008-07-09 | 2013-11-27 | 新日鐵住金株式会社 | 耐水素性に優れた常温高圧水素ガス貯蔵鋼製容器およびその製造方法 |
| JP4737278B2 (ja) | 2008-11-28 | 2011-07-27 | Jfeスチール株式会社 | 金属材料中の析出物および/または介在物の分析方法 |
| JP4528346B2 (ja) | 2009-04-28 | 2010-08-18 | ファーバー・インダストリー・エッセ・ピ・ア | Cr−Mo鋼製ライナーを用いた高圧水素貯蔵用FRP容器 |
| CN105102657B (zh) * | 2013-03-29 | 2017-03-15 | 杰富意钢铁株式会社 | 钢材及氢用容器、以及它们的制造方法 |
| CA2937139C (en) * | 2014-06-09 | 2019-01-15 | Nippon Steel & Sumitomo Metal Corporation | Low-alloy steel pipe for an oil well |
| MX379391B (es) * | 2014-11-18 | 2025-03-10 | Jfe Steel Corp | Tuberia sin costura de acero de alta resistencia para productos tubulares para la industria petrolera y metodo para producir la misma. |
| KR102120616B1 (ko) * | 2015-09-17 | 2020-06-08 | 제이에프이 스틸 가부시키가이샤 | 고압 수소 가스 중의 내수소 취화 특성이 우수한 수소용 강 구조물 및 그 제조 방법 |
| JP6950820B2 (ja) * | 2018-04-09 | 2021-10-13 | 日本製鉄株式会社 | サワー環境での使用に適した鋼材 |
| JP6989004B2 (ja) * | 2018-12-26 | 2022-01-05 | Jfeスチール株式会社 | 高圧水素ガス環境用鋼材および高圧水素ガス環境用鋼構造物ならびに高圧水素ガス環境用鋼材の製造方法 |
| JP7371604B2 (ja) * | 2020-10-23 | 2023-10-31 | Jfeスチール株式会社 | 高圧水素ガス環境用鋼材の製造方法 |
-
2024
- 2024-02-27 CN CN202480015585.6A patent/CN120787267A/zh active Pending
- 2024-02-27 WO PCT/JP2024/007115 patent/WO2024185593A1/ja not_active Ceased
- 2024-02-27 AU AU2024231754A patent/AU2024231754A1/en active Pending
- 2024-02-27 KR KR1020257028497A patent/KR20250141195A/ko active Pending
- 2024-02-27 JP JP2024540982A patent/JP7697601B2/ja active Active
- 2024-02-27 EP EP24766964.1A patent/EP4636111A4/en active Pending
-
2025
- 2025-08-29 CL CL2025002634A patent/CL2025002634A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP4636111A1 (en) | 2025-10-22 |
| JP7697601B2 (ja) | 2025-06-24 |
| CN120787267A (zh) | 2025-10-14 |
| WO2024185593A1 (ja) | 2024-09-12 |
| JPWO2024185593A1 (https=) | 2024-09-12 |
| EP4636111A4 (en) | 2026-04-08 |
| KR20250141195A (ko) | 2025-09-26 |
| CL2025002634A1 (es) | 2025-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12351896B2 (en) | Steel material for high-pressure hydrogen gas environment, steel structure for high-pressure hydrogen gas environment, and methods for producing steel material for high-pressure hydrogen gas environment | |
| JP6012189B2 (ja) | 低温における優れた靭性および硫化物応力腐食亀裂抵抗をもつ高強度の鋼管 | |
| RU2661972C1 (ru) | Высокопрочная бесшовная стальная труба для трубных изделий нефтепромыслового сортамента и способ ее изготовления | |
| US11313007B2 (en) | High-strength seamless steel pipe for oil country tubular goods, and method for producing the same | |
| US11352679B2 (en) | Medium-manganese steel product for low-temperature use and method for the production thereof | |
| US10513761B2 (en) | High-strength steel material for oil well and oil country tubular goods | |
| CA2899570A1 (en) | Thick, tough, high tensile strength steel plate and production method therefor | |
| CN113166903B (zh) | 具有优异的抗氢致开裂性的钢材及其制造方法 | |
| CN109136779B (zh) | 一种马氏体基体1100MPa级稀土Q&P钢制备方法 | |
| CN108368594A (zh) | 具有优异的低温应变时效冲击特性和焊接热影响区冲击特性的高强度钢材及其制造方法 | |
| JP2024500851A (ja) | 低温衝撃靭性に優れた極厚物鋼材及びその製造方法 | |
| CN107937807A (zh) | 770MPa级低焊接裂纹敏感性压力容器钢及其制造方法 | |
| KR20240124991A (ko) | 강판 및 그의 제조 방법 | |
| JP2021509147A (ja) | 超高強度熱延鋼板、鋼管、部材、及びその製造方法 | |
| AU2024231754A1 (en) | High-strength seamless steel pipe for high-pressure hydrogen container and method for manufacturing the same | |
| EP0738784B1 (en) | High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing | |
| KR102821494B1 (ko) | 강철 조성물, 로트 물품 및 압축 가스용 이음매 없는 압력 용기의 제조 방법 | |
| JP7367896B1 (ja) | 鋼板およびその製造方法 | |
| JP7622839B2 (ja) | 鋼板およびその製造方法 | |
| RU2787205C2 (ru) | Бесшовная высокопрочная труба из стали мартенситного класса для обсадных колонн и способ ее производства | |
| RU2860946C1 (ru) | Конструкционный криогенный листовой прокат и способ его производства | |
| RU2798642C1 (ru) | Бесшовная высокопрочная труба из стали мартенситного класса для обсадных колонн и способ ее производства | |
| RU2810466C1 (ru) | Холоднокатаный, отожжённый стальной лист или горячепрессованная, отожжённая стальная деталь | |
| RU2818536C1 (ru) | Способ получения корабельной стальной пластины 5ni с низким остаточным магнетизмом и отличным качеством поверхности | |
| WO2026053866A1 (ja) | 継目無鋼管およびその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DA3 | Amendments made section 104 |
Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE INVENTION TITLE TO READ HIGH-STRENGTH SEAMLESS STEEL PIPE FOR HIGH-PRESSURE HYDROGEN CONTAINER AND METHOD FOR MANUFACTURING THE SAME |