JP7469696B2 - 鋼素形材、及び、その製造方法 - Google Patents

鋼素形材、及び、その製造方法 Download PDF

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JP7469696B2
JP7469696B2 JP2022515395A JP2022515395A JP7469696B2 JP 7469696 B2 JP7469696 B2 JP 7469696B2 JP 2022515395 A JP2022515395 A JP 2022515395A JP 2022515395 A JP2022515395 A JP 2022515395A JP 7469696 B2 JP7469696 B2 JP 7469696B2
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steel
content
steel material
precipitates
hydrogen
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JPWO2021210577A5 (https=
JPWO2021210577A1 (https=
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崇久 鈴木
慶 宮西
誠 江頭
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Nippon Steel Corp
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    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
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    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
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    • C21D7/00Modifying the physical properties of iron or steel by deformation
    • C21D7/02Modifying the physical properties of iron or steel by deformation by cold working
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying 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
    • C21D8/0226Hot rolling
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying 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
    • C21D8/0263Modifying 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
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
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    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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    • C21D2211/00Microstructure comprising significant phases
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JP2022515395A 2020-04-14 2021-04-13 鋼素形材、及び、その製造方法 Active JP7469696B2 (ja)

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JP2020072335 2020-04-14
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PCT/JP2021/015310 WO2021210577A1 (ja) 2020-04-14 2021-04-13 鋼素形材、及び、その製造方法

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7617376B2 (ja) * 2020-12-14 2025-01-20 日本製鉄株式会社 窒化鋼部品
EP4578980A4 (en) * 2022-09-29 2025-12-10 Jfe Steel Corp STEEL MATERIAL FOR PIPING PIPE AND METHOD FOR MANUFACTURED THEREOF, AND STEEL TUBE FOR PIPING PIPE AND METHOD FOR MANUFACTURED THEREOF
WO2024210134A1 (ja) * 2023-04-03 2024-10-10 日本製鉄株式会社 鋼材
CN120958161A (zh) * 2023-04-03 2025-11-14 日本制铁株式会社 钢材
CN118814074B (zh) * 2024-09-18 2024-11-29 北京科技大学 一种抗氢脆Cr-Mo合金钢及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003113444A (ja) 2001-10-05 2003-04-18 Kobe Steel Ltd 高強度非調質アプセットボルト用線材およびその製造方法並びに高強度非調質アプセットボルトの製造方法
JP2017002360A (ja) 2015-06-10 2017-01-05 新日鐵住金株式会社 時効硬化用鋼材
JP2017171978A (ja) 2016-03-23 2017-09-28 愛知製鋼株式会社 鍛造部品及びその製造方法並びにコンロッド
JP2019173168A (ja) 2018-03-26 2019-10-10 日本製鉄株式会社 冷間鍛造用鋼材

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3465676B2 (ja) * 2000-09-12 2003-11-10 住友金属工業株式会社 一様伸びの大きい高張力鋼材
JP4225082B2 (ja) * 2002-03-18 2009-02-18 Jfeスチール株式会社 延性および耐疲労特性に優れる高張力溶融亜鉛めっき鋼板の製造方法
JP4304421B2 (ja) * 2002-10-23 2009-07-29 住友金属工業株式会社 熱延鋼板
JP5801529B2 (ja) * 2009-05-19 2015-10-28 Jfe条鋼株式会社 曲げ疲労強度が高く、繰り返し応力による変形量の小さい熱間鍛造用非調質鋼およびその部品の製造方法
CN101643880B (zh) * 2009-08-31 2011-07-27 江苏省沙钢钢铁研究院有限公司 高抗拉强度热轧铁素体贝氏体双相钢及其制造方法
JP5655366B2 (ja) * 2010-05-07 2015-01-21 大同特殊鋼株式会社 ベイナイト鋼
JP5639494B2 (ja) * 2011-02-08 2014-12-10 株式会社神戸製鋼所 フェライト−パーライト型非調質鍛造部品の製造方法
JP6235221B2 (ja) * 2013-03-28 2017-11-22 Jfeスチール株式会社 低温靭性および耐水素脆性を有する耐磨耗厚鋼板およびその製造方法
US11739392B2 (en) * 2016-02-10 2023-08-29 Jfe Steel Corporation High-strength steel sheet and method for manufacturing the same
JP6642236B2 (ja) * 2016-04-22 2020-02-05 日本製鉄株式会社 冷間鍛造用鋼
US20200071789A1 (en) * 2017-04-20 2020-03-05 Tata Steel Nederland Technology B.V. High strength steel sheet having excellent ductility and stretch flangeability

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003113444A (ja) 2001-10-05 2003-04-18 Kobe Steel Ltd 高強度非調質アプセットボルト用線材およびその製造方法並びに高強度非調質アプセットボルトの製造方法
JP2017002360A (ja) 2015-06-10 2017-01-05 新日鐵住金株式会社 時効硬化用鋼材
JP2017171978A (ja) 2016-03-23 2017-09-28 愛知製鋼株式会社 鍛造部品及びその製造方法並びにコンロッド
JP2019173168A (ja) 2018-03-26 2019-10-10 日本製鉄株式会社 冷間鍛造用鋼材

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CN115917027B (zh) 2024-06-28
WO2021210577A1 (ja) 2021-10-21
US20230151472A1 (en) 2023-05-18
JPWO2021210577A1 (https=) 2021-10-21

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