JPWO2025004445A1 - - Google Patents
Info
- Publication number
- JPWO2025004445A1 JPWO2025004445A1 JP2024527396A JP2024527396A JPWO2025004445A1 JP WO2025004445 A1 JPWO2025004445 A1 JP WO2025004445A1 JP 2024527396 A JP2024527396 A JP 2024527396A JP 2024527396 A JP2024527396 A JP 2024527396A JP WO2025004445 A1 JPWO2025004445 A1 JP WO2025004445A1
- Authority
- JP
- Japan
- 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.)
- Granted
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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
-
- 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
- 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
- C22C38/02—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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C21D2211/002—Bainite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
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)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023107345 | 2023-06-29 | ||
| JP2023107345 | 2023-06-29 | ||
| PCT/JP2024/006688 WO2025004445A1 (ja) | 2023-06-29 | 2024-02-26 | 角形鋼管およびその製造方法ならびに建築構造物 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP7571918B1 JP7571918B1 (ja) | 2024-10-23 |
| JPWO2025004445A1 true JPWO2025004445A1 (https=) | 2025-01-02 |
Family
ID=93150864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024527396A Active JP7571918B1 (ja) | 2023-06-29 | 2024-02-26 | 角形鋼管およびその製造方法ならびに建築構造物 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7571918B1 (https=) |
| KR (1) | KR20260003330A (https=) |
| CN (1) | CN121263544A (https=) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0987743A (ja) | 1995-09-27 | 1997-03-31 | Kawasaki Steel Corp | 低降伏比高靱性電縫角形鋼管の製造方法 |
| JP2008184686A (ja) * | 2007-01-31 | 2008-08-14 | Jfe Steel Kk | 建築用低ｙｒ角鋼管の製造方法 |
| JP5589885B2 (ja) | 2010-11-30 | 2014-09-17 | Ｊｆｅスチール株式会社 | 建築構造部材向け角形鋼管用厚肉熱延鋼板およびその製造方法 |
| JP5594165B2 (ja) | 2011-01-28 | 2014-09-24 | Ｊｆｅスチール株式会社 | 建築構造部材向け角形鋼管用厚肉熱延鋼板の製造方法 |
| JP6807690B2 (ja) * | 2016-09-27 | 2021-01-06 | 日本製鉄株式会社 | 角形鋼管 |
| CN110073018B (zh) * | 2016-12-12 | 2021-08-27 | 杰富意钢铁株式会社 | 低屈服比方形钢管用热轧钢板及其制造方法、和低屈服比方形钢管及其制造方法 |
| JP7306494B2 (ja) * | 2020-10-05 | 2023-07-11 | Ｊｆｅスチール株式会社 | 角形鋼管およびその製造方法並びに建築構造物 |
| KR20240053606A (ko) * | 2021-09-29 | 2024-04-24 | 제이에프이 스틸 가부시키가이샤 | 각형 강관 및 그의 제조 방법, 열연 강판 및 그의 제조 방법, 그리고 건축 구조물 |
| JP7424551B1 (ja) * | 2022-06-03 | 2024-01-30 | Ｊｆｅスチール株式会社 | 熱延鋼板、角形鋼管、それらの製造方法および建築構造物 |
| CN119895067A (zh) * | 2022-09-20 | 2025-04-25 | 杰富意钢铁株式会社 | 热轧钢板、方形钢管和它们的制造方法以及建筑结构物 |
-
2024
- 2024-02-26 CN CN202480037729.8A patent/CN121263544A/zh active Pending
- 2024-02-26 KR KR1020257040632A patent/KR20260003330A/ko active Pending
- 2024-02-26 JP JP2024527396A patent/JP7571918B1/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP7571918B1 (ja) | 2024-10-23 |
| KR20260003330A (ko) | 2026-01-06 |
| CN121263544A (zh) | 2026-01-02 |
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