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TWI318645B - 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 - Google Patents

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

Info

Publication number
TWI318645B
TWI318645B TW095104915A TW95104915A TWI318645B TW I318645 B TWI318645 B TW I318645B TW 095104915 A TW095104915 A TW 095104915A TW 95104915 A TW95104915 A TW 95104915A TW I318645 B TWI318645 B TW I318645B
Authority
TW
Taiwan
Prior art keywords
forgine
cold
steel wire
superior processability
spheroidization
Prior art date
Application number
TW095104915A
Other languages
Chinese (zh)
Other versions
TW200641144A (en
Inventor
Arata Iso
Seiki Nishida
Shingo Yamasaki
Osamu Kada
Original Assignee
Nippon Steel Corp
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
Priority claimed from JP2005039498A external-priority patent/JP4669300B2/en
Priority claimed from JP2005137344A external-priority patent/JP4669317B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of TW200641144A publication Critical patent/TW200641144A/en
Application granted granted Critical
Publication of TWI318645B publication Critical patent/TWI318645B/en

Links

Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • 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
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/009—Pearlite

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 Strip Materials And Filament Materials (AREA)
TW095104915A 2005-02-16 2006-02-14 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 TWI318645B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005039498A JP4669300B2 (en) 2005-02-16 2005-02-16 Steel wire rod excellent in cold forgeability after spheroidizing treatment and method for producing the same
JP2005137344A JP4669317B2 (en) 2005-05-10 2005-05-10 Steel wire excellent in cold forgeability and manufacturing method thereof

Publications (2)

Publication Number Publication Date
TW200641144A TW200641144A (en) 2006-12-01
TWI318645B true TWI318645B (en) 2009-12-21

Family

ID=36916425

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095104915A TWI318645B (en) 2005-02-16 2006-02-14 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

Country Status (3)

Country Link
KR (1) KR101033752B1 (en)
TW (1) TWI318645B (en)
WO (1) WO2006088019A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI450975B (en) * 2011-04-11 2014-09-01 China Steel Corp Process for making cementite grains in pearlite of steel cylindrical or spherical

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102227512B (en) * 2009-11-17 2013-10-23 新日铁住金株式会社 Steel wire for low-temperature annealing and method for producing same
JP6031022B2 (en) * 2013-12-02 2016-11-24 株式会社神戸製鋼所 Steel wire for bolt excellent in delayed fracture resistance, high-strength bolt, and method for producing them
EP3121305B1 (en) 2014-03-20 2020-03-11 Nippon Steel Corporation Excellent workable steel wire rod and method for producing same
JP6479538B2 (en) * 2015-03-31 2019-03-06 株式会社神戸製鋼所 Steel wire for machine structural parts
KR101751530B1 (en) * 2015-12-28 2017-06-27 주식회사 포스코 Steel sheet for tool and method of manufacturing for the same
KR101977474B1 (en) * 2017-08-09 2019-05-10 주식회사 포스코 Plated steel sheet having excellent surface quality, strength and ductility
KR102153195B1 (en) 2018-12-18 2020-09-07 주식회사 포스코 Steel wire rod enabling omission of softening heat treatment and method of manufacturing the same
KR102391061B1 (en) * 2020-08-20 2022-04-28 주식회사 포스코 Steel wire having enhanced cold formability and method for manufacturing the same
KR102492644B1 (en) * 2020-12-18 2023-01-30 주식회사 포스코 Wire rod and parts with improved delayed fracture resisitance and method for manufacturing the same
EP4121570A1 (en) 2021-02-02 2023-01-25 Tata Steel Limited A method for producing spheroidized or non-lamellar microstructure steels
KR20230159706A (en) * 2021-03-31 2023-11-21 가부시키가이샤 고베 세이코쇼 Steel wire for mechanical structural parts and manufacturing method thereof
KR20230091619A (en) * 2021-12-16 2023-06-23 주식회사 포스코 Method for manufacturing wire rod for cold forging with excellent drilling properties and screw parts

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07113127B2 (en) * 1988-02-24 1995-12-06 株式会社神戸製鋼所 Method of manufacturing hot rolled wire
JP2641081B2 (en) * 1991-12-04 1997-08-13 新日本製鐵株式会社 Steel cord manufacturing method
JPH08295932A (en) * 1995-04-21 1996-11-12 Nippon Steel Corp High strength steel wire with excellent fatigue properties
JP3742232B2 (en) * 1998-10-13 2006-02-01 株式会社神戸製鋼所 Steel wire rod capable of rapid spheroidization and excellent cold forgeability and method for producing the same
JP3457192B2 (en) * 1998-11-09 2003-10-14 株式会社神戸製鋼所 Medium-high carbon steel with excellent cold forgeability
JP3737323B2 (en) * 1999-09-17 2006-01-18 株式会社神戸製鋼所 Steel wire rod and bar steel excellent in cold forgeability after spheronization and manufacturing method thereof
KR100530065B1 (en) * 2001-12-13 2005-11-22 주식회사 포스코 A method for manufacturing steel wire rod for cold forging featuring short-time spheroidized annealing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI450975B (en) * 2011-04-11 2014-09-01 China Steel Corp Process for making cementite grains in pearlite of steel cylindrical or spherical

Also Published As

Publication number Publication date
TW200641144A (en) 2006-12-01
WO2006088019A1 (en) 2006-08-24
KR20070086836A (en) 2007-08-27
KR101033752B1 (en) 2011-05-09

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees