CN105612269B - 线材、过共析贝氏体钢丝及它们的制造方法 - Google Patents

线材、过共析贝氏体钢丝及它们的制造方法 Download PDF

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Publication number
CN105612269B
CN105612269B CN201480055078.1A CN201480055078A CN105612269B CN 105612269 B CN105612269 B CN 105612269B CN 201480055078 A CN201480055078 A CN 201480055078A CN 105612269 B CN105612269 B CN 105612269B
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wire rod
bath
wire
molten
molten salt
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CN105612269A (zh
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多田达诚
高桥幸弘
西川宜孝
平上大辅
真锅敏之
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Nippon Steel Corp
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    • 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
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
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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
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/19Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20Isothermal quenching, e.g. bainitic hardening
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    • 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
    • C21D1/34Methods of heating
    • C21D1/44Methods of heating in heat-treatment baths
    • C21D1/46Salt baths
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    • 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
    • C21D1/34Methods of heating
    • C21D1/44Methods of heating in heat-treatment baths
    • C21D1/48Metal baths
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    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/607Molten salts
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    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
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    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
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    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
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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
    • 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
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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
    • 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
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    • 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
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    • 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
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/56Continuous furnaces for strip or wire
    • C21D9/58Continuous furnaces for strip or wire with heating by baths
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    • C22C38/00Ferrous alloys, e.g. steel alloys
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    • 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
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    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
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    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
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    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
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    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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  • 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 Strip Materials And Filament Materials (AREA)
CN201480055078.1A 2013-10-08 2014-10-08 线材、过共析贝氏体钢丝及它们的制造方法 Expired - Fee Related CN105612269B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013211365 2013-10-08
JP2013-211365 2013-10-08
PCT/JP2014/076938 WO2015053311A1 (ja) 2013-10-08 2014-10-08 線材、過共析ベイナイト鋼線、及びそれらの製造方法

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CN105612269B true CN105612269B (zh) 2017-11-14

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US (1) US20160244858A1 (ko)
EP (1) EP3056580A4 (ko)
JP (1) JP6079894B2 (ko)
KR (1) KR101789949B1 (ko)
CN (1) CN105612269B (ko)
TW (1) TWI516611B (ko)
WO (1) WO2015053311A1 (ko)

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
JP6416709B2 (ja) * 2015-07-21 2018-10-31 新日鐵住金株式会社 高強度pc鋼線
JP6416708B2 (ja) * 2015-07-21 2018-10-31 新日鐵住金株式会社 高強度pc鋼線
CN105220786A (zh) * 2015-10-17 2016-01-06 张磊 一种建筑物保温隔音层
CN105178455A (zh) * 2015-10-17 2015-12-23 张磊 建筑物外墙防火保温层
JP6481770B2 (ja) * 2015-10-23 2019-03-13 新日鐵住金株式会社 伸線加工用鋼線材
CN109312436B (zh) * 2016-07-05 2021-08-10 日本制铁株式会社 线材、钢线及部件
KR102021199B1 (ko) * 2017-11-27 2019-09-11 현대제철 주식회사 강재 및 그 제조방법
KR102362665B1 (ko) * 2019-12-20 2022-02-11 주식회사 포스코 선재, 고강도 강선 및 이들의 제조방법
JP7469643B2 (ja) 2020-05-21 2024-04-17 日本製鉄株式会社 鋼線、非調質機械部品用線材、及び非調質機械部品

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301024A (zh) * 2010-02-01 2011-12-28 新日本制铁株式会社 线材、钢丝以及它们的制造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2742967B2 (ja) 1991-10-24 1998-04-22 新日本製鐵株式会社 ベイナイト線材の製造法
JP2984885B2 (ja) 1992-04-09 1999-11-29 新日本製鐵株式会社 伸線加工用ベイナイト線材または鋼線およびその製造方法
JP2984887B2 (ja) 1992-04-09 1999-11-29 新日本製鐵株式会社 伸線加工用ベイナイト線材または鋼線およびその製造方法
JP2984886B2 (ja) 1992-04-09 1999-11-29 新日本製鐵株式会社 伸線加工用ベイナイト線材または鋼線およびその製造方法
JP2984889B2 (ja) 1992-07-08 1999-11-29 新日本製鐵株式会社 伸線加工性に優れた高炭素鋼線材または鋼線およびその製造方法
EP0693571B1 (en) * 1993-04-06 2000-05-31 Nippon Steel Corporation Bainite rod wire or steel wire for wire drawing and process for producing the same
JP3400071B2 (ja) * 1993-04-06 2003-04-28 新日本製鐵株式会社 疲労特性の優れた高強度鋼線材および高強度鋼線
WO1994023084A1 (en) * 1993-04-06 1994-10-13 Nippon Steel Corporation Bainite rod wire or steel wire for wire drawing and process for producing the same
DE69423619T2 (de) * 1993-05-25 2000-10-26 Nippon Steel Corp Hochkohlenstoffhaltiger stabstahl oder stahldraht mit hervorragenden zieheigenschaften und herstellungsverfahren
JP3018268B2 (ja) * 1993-05-25 2000-03-13 新日本製鐵株式会社 伸線加工性に優れた高炭素鋼線材または鋼線およびその製造方法
JPH083649A (ja) * 1994-06-21 1996-01-09 Nippon Steel Corp 伸線加工性に優れた高炭素鋼線材または鋼線の製造方法
JP3388418B2 (ja) 1994-06-21 2003-03-24 新日本製鐵株式会社 伸線加工性に優れた高炭素鋼線材または鋼線の製造方法
JP3448459B2 (ja) * 1997-06-10 2003-09-22 新日本製鐵株式会社 鋼線用線材
JP3548419B2 (ja) * 1998-04-15 2004-07-28 新日本製鐵株式会社 高強度鋼線
JP2001220650A (ja) * 1999-11-30 2001-08-14 Sumitomo Electric Ind Ltd 鋼線、ばね及びそれらの製造方法
JP2002241899A (ja) * 2001-02-09 2002-08-28 Kobe Steel Ltd 耐遅れ破壊性と鍛造性に優れた高強度鋼線およびその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301024A (zh) * 2010-02-01 2011-12-28 新日本制铁株式会社 线材、钢丝以及它们的制造方法

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KR20160048991A (ko) 2016-05-04
EP3056580A4 (en) 2017-07-26
CN105612269A (zh) 2016-05-25
EP3056580A1 (en) 2016-08-17
TW201516162A (zh) 2015-05-01
KR101789949B1 (ko) 2017-10-25
TWI516611B (zh) 2016-01-11
WO2015053311A1 (ja) 2015-04-16
JP6079894B2 (ja) 2017-02-15
JPWO2015053311A1 (ja) 2017-03-09
US20160244858A1 (en) 2016-08-25

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