KR102388436B1 - 극저온용 고장력 후강판 및 그 제조 방법 - Google Patents

극저온용 고장력 후강판 및 그 제조 방법 Download PDF

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Publication number
KR102388436B1
KR102388436B1 KR1020207032994A KR20207032994A KR102388436B1 KR 102388436 B1 KR102388436 B1 KR 102388436B1 KR 1020207032994 A KR1020207032994 A KR 1020207032994A KR 20207032994 A KR20207032994 A KR 20207032994A KR 102388436 B1 KR102388436 B1 KR 102388436B1
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KR
South Korea
Prior art keywords
less
temperature
steel sheet
cooling
hot
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KR1020207032994A
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English (en)
Korean (ko)
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KR20200140907A (ko
Inventor
유야 사토
요시아키 무라카미
사토시 이기
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제이에프이 스틸 가부시키가이샤
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Publication of KR20200140907A publication Critical patent/KR20200140907A/ko
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Publication of KR102388436B1 publication Critical patent/KR102388436B1/ko

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    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C21D2211/002—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
    • C21D2211/008—Martensite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
KR1020207032994A 2018-06-12 2019-05-13 극저온용 고장력 후강판 및 그 제조 방법 KR102388436B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2018112271 2018-06-12
JPJP-P-2018-112271 2018-06-12
JPJP-P-2019-027309 2019-02-19
JP2019027309 2019-02-19
PCT/JP2019/018968 WO2019239761A1 (ja) 2018-06-12 2019-05-13 極低温用高張力厚鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
KR20200140907A KR20200140907A (ko) 2020-12-16
KR102388436B1 true KR102388436B1 (ko) 2022-04-19

Family

ID=68843245

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207032994A KR102388436B1 (ko) 2018-06-12 2019-05-13 극저온용 고장력 후강판 및 그 제조 방법

Country Status (4)

Country Link
JP (1) JP6816832B2 (ja)
KR (1) KR102388436B1 (ja)
CN (1) CN112236539B (ja)
WO (1) WO2019239761A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020128579A1 (en) * 2018-12-19 2020-06-25 Arcelormittal Low-carbon, high-strength 9% nickel steels for cryogenic applications
JP7251512B2 (ja) * 2020-04-08 2023-04-04 Ｊｆｅスチール株式会社 鋼板およびその製造方法
KR102427046B1 (ko) * 2020-12-10 2022-07-28 주식회사 포스코 극저온 인성이 우수한 압력용기용 강판 및 이의 제조방법
KR102522570B1 (ko) 2021-12-13 2023-04-26 현대제철 주식회사 용접 열영향부 극저온 인성이 우수한 후강판
KR20240004010A (ko) 2022-07-04 2024-01-11 현대제철 주식회사 알루미늄이 첨가된 용접 열영향부 극저온 인성이 우수한 후강판

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016183387A (ja) * 2015-03-26 2016-10-20 新日鐵住金株式会社 低温用厚鋼板及びその製造方法
WO2018101447A1 (ja) * 2016-12-01 2018-06-07 新日鐵住金株式会社 低温用ニッケル含有鋼及び低温用タンク

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1942203B9 (en) 2005-09-21 2015-03-04 Nippon Steel & Sumitomo Metal Corporation Steel product usable at low temperature and method for production thereof
JP5494167B2 (ja) 2010-04-14 2014-05-14 新日鐵住金株式会社 極低温用厚鋼板およびその製造方法
JP5513254B2 (ja) 2010-05-17 2014-06-04 新日鐵住金株式会社 低温用厚鋼板およびその製造方法
CN102985576B (zh) 2010-07-09 2014-05-28 新日铁住金株式会社 Ni添加钢板及其制造方法
JP6018453B2 (ja) * 2012-03-09 2016-11-02 株式会社神戸製鋼所 極低温靭性に優れた高強度厚鋼板
JP6018454B2 (ja) * 2012-04-13 2016-11-02 株式会社神戸製鋼所 極低温靭性に優れた高強度厚鋼板
JP5556948B1 (ja) 2013-10-28 2014-07-23 Ｊｆｅスチール株式会社 低温用鋼板およびその製造方法
JP6693185B2 (ja) * 2016-03-11 2020-05-13 日本製鉄株式会社 低温用ニッケル鋼板の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016183387A (ja) * 2015-03-26 2016-10-20 新日鐵住金株式会社 低温用厚鋼板及びその製造方法
WO2018101447A1 (ja) * 2016-12-01 2018-06-07 新日鐵住金株式会社 低温用ニッケル含有鋼及び低温用タンク

Also Published As

Publication number Publication date
CN112236539A (zh) 2021-01-15
WO2019239761A1 (ja) 2019-12-19
CN112236539B (zh) 2022-03-01
KR20200140907A (ko) 2020-12-16
JPWO2019239761A1 (ja) 2020-06-25
JP6816832B2 (ja) 2021-01-20

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