JP7164032B2 - ボルト、及びボルト用鋼材 - Google Patents

ボルト、及びボルト用鋼材 Download PDF

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Publication number
JP7164032B2
JP7164032B2 JP2021519494A JP2021519494A JP7164032B2 JP 7164032 B2 JP7164032 B2 JP 7164032B2 JP 2021519494 A JP2021519494 A JP 2021519494A JP 2021519494 A JP2021519494 A JP 2021519494A JP 7164032 B2 JP7164032 B2 JP 7164032B2
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JP
Japan
Prior art keywords
less
bolt
hydrogen
amount
bolts
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JP2021519494A
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English (en)
Japanese (ja)
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JPWO2020230872A1 (enrdf_load_stackoverflow
Inventor
真吾 山▲崎▼
美百合 梅原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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Publication of JPWO2020230872A1 publication Critical patent/JPWO2020230872A1/ja
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Publication of JP7164032B2 publication Critical patent/JP7164032B2/ja
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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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • 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
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/04—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
    • 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
    • C22C38/001—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
    • C22C38/18—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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

Landscapes

  • 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 Articles (AREA)
JP2021519494A 2019-05-14 2020-05-14 ボルト、及びボルト用鋼材 Active JP7164032B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019091328 2019-05-14
JP2019091328 2019-05-14
PCT/JP2020/019354 WO2020230872A1 (ja) 2019-05-14 2020-05-14 ボルト、及びボルト用鋼材

Publications (2)

Publication Number Publication Date
JPWO2020230872A1 JPWO2020230872A1 (enrdf_load_stackoverflow) 2020-11-19
JP7164032B2 true JP7164032B2 (ja) 2022-11-01

Family

ID=73288842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021519494A Active JP7164032B2 (ja) 2019-05-14 2020-05-14 ボルト、及びボルト用鋼材

Country Status (3)

Country Link
JP (1) JP7164032B2 (enrdf_load_stackoverflow)
KR (1) KR102599767B1 (enrdf_load_stackoverflow)
WO (1) WO2020230872A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7719371B2 (ja) * 2022-03-04 2025-08-06 日本製鉄株式会社 鋼材

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007031733A (ja) 2005-07-22 2007-02-08 Nippon Steel Corp 耐遅れ破壊特性に優れた引張強さ１６００ＭＰａ級以上の鋼およびその成型品の製造方法
JP2007031736A (ja) 2005-07-22 2007-02-08 Nippon Steel Corp 耐遅れ破壊特性に優れた高強度ボルトの製造方法
WO2011111872A1 (ja) 2010-03-11 2011-09-15 新日本製鐵株式会社 耐遅れ破壊特性に優れた高強度鋼材と高強度ボルト、及び、その製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3400886B2 (ja) * 1995-03-16 2003-04-28 新日本製鐵株式会社 水素侵入阻止効果に優れた高張力ボルト用鋼
JP3857835B2 (ja) 1999-07-26 2006-12-13 新日本製鐵株式会社 高強度ボルト用鋼及び高強度ボルトの製造方法
JP4427010B2 (ja) 2004-07-05 2010-03-03 新日本製鐵株式会社 耐遅れ破壊特性に優れた高強度調質鋼およびその製造方法
JP4555749B2 (ja) 2004-10-08 2010-10-06 新日本製鐵株式会社 高強度ボルトの耐遅れ破壊特性向上方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007031733A (ja) 2005-07-22 2007-02-08 Nippon Steel Corp 耐遅れ破壊特性に優れた引張強さ１６００ＭＰａ級以上の鋼およびその成型品の製造方法
JP2007031736A (ja) 2005-07-22 2007-02-08 Nippon Steel Corp 耐遅れ破壊特性に優れた高強度ボルトの製造方法
WO2011111872A1 (ja) 2010-03-11 2011-09-15 新日本製鐵株式会社 耐遅れ破壊特性に優れた高強度鋼材と高強度ボルト、及び、その製造方法

Also Published As

Publication number Publication date
KR20210148334A (ko) 2021-12-07
JPWO2020230872A1 (enrdf_load_stackoverflow) 2020-11-19
WO2020230872A1 (ja) 2020-11-19
KR102599767B1 (ko) 2023-11-08

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