WO2009063690A1 - Cold-work die steel and die - Google Patents

Cold-work die steel and die Download PDF

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Publication number
WO2009063690A1
WO2009063690A1 PCT/JP2008/066870 JP2008066870W WO2009063690A1 WO 2009063690 A1 WO2009063690 A1 WO 2009063690A1 JP 2008066870 W JP2008066870 W JP 2008066870W WO 2009063690 A1 WO2009063690 A1 WO 2009063690A1
Authority
WO
WIPO (PCT)
Prior art keywords
die
cold
work
steel
less
Prior art date
Application number
PCT/JP2008/066870
Other languages
French (fr)
Japanese (ja)
Inventor
Shogo Murakami
Shigenobu Nanba
Kenji Yamamoto
Tsuyoshi Tonomura
Original Assignee
Kabushiki Kaisha Kobe Seiko Sho
Nippon Koshuha Steel 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 Kabushiki Kaisha Kobe Seiko Sho, Nippon Koshuha Steel Co., Ltd. filed Critical Kabushiki Kaisha Kobe Seiko Sho
Priority to US12/598,328 priority Critical patent/US20100135844A1/en
Priority to CN2008800140508A priority patent/CN101668874B/en
Publication of WO2009063690A1 publication Critical patent/WO2009063690A1/en

Links

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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium

Abstract

Disclosed is a cold-work die steel which comprises the following components (by mass): C: 0.5-0.7%, Si: 0.5-2.0%, Mn: 0.1-2.0%, Cr: 5-7%, Al: 0.01-1.0%, N: 0.003-0.025%, Cu: 0.25-1%, Ni: 0.25-1%, Mo: 0.5-3%, W: 2% or less (including 0%), and S: 0.1% or less (excluding 0%), with the remainder being iron and unavoidable impurities, and which fulfills the requirements represented by the following formulae (1) to (3): (1) [Cr] x [C]≤4; (2) [Al]/[N]: 1-30; and (3) [Mo]+0.5 x [W]: 0.5-3.00% [wherein [ ] means the content (%) of each element].
PCT/JP2008/066870 2007-11-13 2008-09-18 Cold-work die steel and die WO2009063690A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/598,328 US20100135844A1 (en) 2007-11-13 2008-09-18 Cold-work die steel and die
CN2008800140508A CN101668874B (en) 2007-11-13 2008-09-18 Cold-work die steel and die

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007294326A JP5143531B2 (en) 2007-11-13 2007-11-13 Cold mold steel and molds
JP2007-294326 2007-11-13

Publications (1)

Publication Number Publication Date
WO2009063690A1 true WO2009063690A1 (en) 2009-05-22

Family

ID=40638544

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066870 WO2009063690A1 (en) 2007-11-13 2008-09-18 Cold-work die steel and die

Country Status (5)

Country Link
US (1) US20100135844A1 (en)
JP (1) JP5143531B2 (en)
CN (1) CN101668874B (en)
TW (1) TW200936785A (en)
WO (1) WO2009063690A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5351528B2 (en) * 2009-01-14 2013-11-27 株式会社神戸製鋼所 Cold mold steel and molds
TWI447233B (en) * 2011-02-21 2014-08-01 Hitachi Metals Ltd Cold work tool steel having improved machinability
WO2012115025A1 (en) * 2011-02-21 2012-08-30 日立金属株式会社 Manufacturing method for cold-working die
TWI468238B (en) * 2012-08-22 2015-01-11 China Steel Corp Casting mold and heat-treating method of the same
CN102877071A (en) * 2012-09-25 2013-01-16 黄遥泉 Novel heat chemical treatment process for TD punch
CN103233184B (en) * 2013-04-18 2015-05-27 毛建其 Non-quenched-tempered naturally pre-hardened easy-cutting forging die steel
CN104805362A (en) * 2015-03-31 2015-07-29 吉林大学 Aluminium-containing medium alloy casting cold-working mould steel
CN105648315A (en) * 2016-01-27 2016-06-08 太仓旺美模具有限公司 High-strength mold steel for cold-punched mold
CN107442720A (en) * 2017-06-13 2017-12-08 江苏森威精锻有限公司 A kind of material fabrication process of cold-working mould
CN107475606A (en) * 2017-06-30 2017-12-15 太仓旺美模具有限公司 A kind of corrosion-resistant cold work die steel
JP2020111766A (en) * 2019-01-08 2020-07-27 山陽特殊製鋼株式会社 Cold tool steel
JP2021147624A (en) * 2020-03-16 2021-09-27 日立金属株式会社 Steel for hot working die, hot working die, and method for manufacturing the same
JP2022144437A (en) * 2021-03-19 2022-10-03 大同特殊鋼株式会社 Fe-based alloy and metal powder
CN113355597A (en) * 2021-05-24 2021-09-07 如皋市宏茂重型锻压有限公司 High-toughness high-wear-resistance cold-work die steel and manufacturing process thereof
CN116043106B (en) * 2022-11-08 2023-12-15 湖北楠田工模具科技有限公司 High-purity high-toughness long-service-period cold work die steel and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004285444A (en) * 2003-03-24 2004-10-14 Daido Steel Co Ltd Low-alloy high-speed tool steel showing stable toughness
JP2005325407A (en) * 2004-05-14 2005-11-24 Daido Steel Co Ltd Cold working tool steel
JP2006193790A (en) * 2005-01-14 2006-07-27 Daido Steel Co Ltd Cold working tool steel
JP2006328521A (en) * 2005-05-30 2006-12-07 Daido Steel Co Ltd Tool for precision working and tool steel
JP2007197746A (en) * 2006-01-25 2007-08-09 Daido Steel Co Ltd Tool steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004285444A (en) * 2003-03-24 2004-10-14 Daido Steel Co Ltd Low-alloy high-speed tool steel showing stable toughness
JP2005325407A (en) * 2004-05-14 2005-11-24 Daido Steel Co Ltd Cold working tool steel
JP2006193790A (en) * 2005-01-14 2006-07-27 Daido Steel Co Ltd Cold working tool steel
JP2006328521A (en) * 2005-05-30 2006-12-07 Daido Steel Co Ltd Tool for precision working and tool steel
JP2007197746A (en) * 2006-01-25 2007-08-09 Daido Steel Co Ltd Tool steel

Also Published As

Publication number Publication date
JP2009120886A (en) 2009-06-04
JP5143531B2 (en) 2013-02-13
CN101668874A (en) 2010-03-10
TW200936785A (en) 2009-09-01
CN101668874B (en) 2011-11-23
US20100135844A1 (en) 2010-06-03

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