CN116783316A - 具有改善的延迟断裂抗力的线材和部件及其制造方法 - Google Patents

具有改善的延迟断裂抗力的线材和部件及其制造方法 Download PDF

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Publication number
CN116783316A
CN116783316A CN202180090890.8A CN202180090890A CN116783316A CN 116783316 A CN116783316 A CN 116783316A CN 202180090890 A CN202180090890 A CN 202180090890A CN 116783316 A CN116783316 A CN 116783316A
Authority
CN
China
Prior art keywords
less
delayed fracture
present disclosure
content
fracture resistance
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
Application number
CN202180090890.8A
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English (en)
Chinese (zh)
Inventor
全英洙
李相润
崔锡欢
崔明洙
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of CN116783316A publication Critical patent/CN116783316A/zh
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/25Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D1/26Methods of annealing
    • C21D1/32Soft annealing, e.g. spheroidising
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0093Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite
    • CCHEMISTRY; METALLURGY
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite

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)
  • Heat Treatment Of Articles (AREA)
CN202180090890.8A 2020-12-18 2021-12-14 具有改善的延迟断裂抗力的线材和部件及其制造方法 Pending CN116783316A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2020-0178274 2020-12-18
KR1020200178274A KR102492644B1 (ko) 2020-12-18 2020-12-18 지연파괴 저항성이 향상된 선재, 부품 및 그 제조방법
PCT/KR2021/018977 WO2022131752A1 (ko) 2020-12-18 2021-12-14 지연파괴 저항성이 향상된 선재, 부품 및 그 제조방법

Publications (1)

Publication Number Publication Date
CN116783316A true CN116783316A (zh) 2023-09-19

Family

ID=82059247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180090890.8A Pending CN116783316A (zh) 2020-12-18 2021-12-14 具有改善的延迟断裂抗力的线材和部件及其制造方法

Country Status (6)

Country Link
US (1) US20240060162A1 (ko)
EP (1) EP4265766A1 (ko)
JP (1) JP2024500152A (ko)
KR (1) KR102492644B1 (ko)
CN (1) CN116783316A (ko)
WO (1) WO2022131752A1 (ko)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3966493B2 (ja) * 1999-05-26 2007-08-29 新日本製鐵株式会社 冷間鍛造用線材及びその製造方法
TWI318645B (en) * 2005-02-16 2009-12-21 Nippon Steel Corp Hot rolled steel wire material having superior processability for cold forgine after spheroidization, spheroidized steel wire having superior processability for cold forgine and methods for manufacturing the same
KR101091446B1 (ko) * 2008-12-26 2011-12-07 주식회사 포스코 반복 가압 특성이 우수한 저온 압력용기용 고강도 강판, 그제조방법 및 딥 드로잉 제품의 제조방법
CN102741441B (zh) * 2010-03-02 2013-09-11 新日铁住金株式会社 冷锻性优良的钢丝及其制造方法
JP6034632B2 (ja) * 2012-03-26 2016-11-30 株式会社神戸製鋼所 耐遅れ破壊性に優れたボロン添加高強度ボルト用鋼および高強度ボルト
JP5776623B2 (ja) * 2012-05-08 2015-09-09 新日鐵住金株式会社 冷間加工性に優れた鋼線材・棒鋼とその製造方法
KR101665886B1 (ko) * 2015-09-04 2016-10-13 주식회사 포스코 냉간가공성 및 충격인성이 우수한 비조질강 및 그 제조방법
CN107815594A (zh) * 2017-11-12 2018-03-20 湖南华菱湘潭钢铁有限公司 一种冷挤压齿轮盘条的生产方法

Also Published As

Publication number Publication date
KR102492644B1 (ko) 2023-01-30
EP4265766A1 (en) 2023-10-25
US20240060162A1 (en) 2024-02-22
WO2022131752A1 (ko) 2022-06-23
JP2024500152A (ja) 2024-01-04
KR20220087847A (ko) 2022-06-27

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