JPWO2021240740A1 - - Google Patents

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Publication number
JPWO2021240740A1
JPWO2021240740A1 JP2022527408A JP2022527408A JPWO2021240740A1 JP WO2021240740 A1 JPWO2021240740 A1 JP WO2021240740A1 JP 2022527408 A JP2022527408 A JP 2022527408A JP 2022527408 A JP2022527408 A JP 2022527408A JP WO2021240740 A1 JPWO2021240740 A1 JP WO2021240740A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022527408A
Other languages
Japanese (ja)
Other versions
JPWO2021240740A5 (en
JP7260838B2 (en
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 filed Critical
Publication of JPWO2021240740A1 publication Critical patent/JPWO2021240740A1/ja
Publication of JPWO2021240740A5 publication Critical patent/JPWO2021240740A5/ja
Application granted granted Critical
Publication of JP7260838B2 publication Critical patent/JP7260838B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
JP2022527408A 2020-05-28 2020-05-28 Steel wire for spring, spring and method for producing them Active JP7260838B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/021159 WO2021240740A1 (en) 2020-05-28 2020-05-28 Spring steel wire, spring, and production method of same

Publications (3)

Publication Number Publication Date
JPWO2021240740A1 true JPWO2021240740A1 (en) 2021-12-02
JPWO2021240740A5 JPWO2021240740A5 (en) 2022-09-15
JP7260838B2 JP7260838B2 (en) 2023-04-19

Family

ID=78723220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022527408A Active JP7260838B2 (en) 2020-05-28 2020-05-28 Steel wire for spring, spring and method for producing them

Country Status (2)

Country Link
JP (1) JP7260838B2 (en)
WO (1) WO2021240740A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1129839A (en) * 1997-05-12 1999-02-02 Nippon Steel Corp Spring steel with high toughness
JP2001181794A (en) * 1999-12-20 2001-07-03 Nippon Steel Corp High strength spring steel
JP2004143482A (en) * 2002-10-22 2004-05-20 Nippon Steel Corp High strength cold formed spring steel wire and its production method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1129839A (en) * 1997-05-12 1999-02-02 Nippon Steel Corp Spring steel with high toughness
JP2001181794A (en) * 1999-12-20 2001-07-03 Nippon Steel Corp High strength spring steel
JP2004143482A (en) * 2002-10-22 2004-05-20 Nippon Steel Corp High strength cold formed spring steel wire and its production method

Also Published As

Publication number Publication date
WO2021240740A1 (en) 2021-12-02
JP7260838B2 (en) 2023-04-19

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