EP3981890A4 - STEEL FOR HOT STAMPING, HOT STAMPING AND PROCESS FOR ITS PRODUCTION - Google Patents

STEEL FOR HOT STAMPING, HOT STAMPING AND PROCESS FOR ITS PRODUCTION Download PDF

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Publication number
EP3981890A4
EP3981890A4 EP20818816.9A EP20818816A EP3981890A4 EP 3981890 A4 EP3981890 A4 EP 3981890A4 EP 20818816 A EP20818816 A EP 20818816A EP 3981890 A4 EP3981890 A4 EP 3981890A4
Authority
EP
European Patent Office
Prior art keywords
stamping die
making
heat
steel
hot stamping
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
EP20818816.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3981890A1 (en
Inventor
Takayuki Hirashige
Shiho Fukumoto
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of EP3981890A1 publication Critical patent/EP3981890A1/en
Publication of EP3981890A4 publication Critical patent/EP3981890A4/en
Pending legal-status Critical Current

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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • 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
    • C21D1/06—Surface hardening
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Articles (AREA)
EP20818816.9A 2019-06-06 2020-03-11 STEEL FOR HOT STAMPING, HOT STAMPING AND PROCESS FOR ITS PRODUCTION Pending EP3981890A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019106234 2019-06-06
PCT/JP2020/010562 WO2020246099A1 (ja) 2019-06-06 2020-03-11 ホットスタンプ用金型用鋼、ホットスタンプ用金型およびその製造方法

Publications (2)

Publication Number Publication Date
EP3981890A1 EP3981890A1 (en) 2022-04-13
EP3981890A4 true EP3981890A4 (en) 2022-10-05

Family

ID=73652536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20818816.9A Pending EP3981890A4 (en) 2019-06-06 2020-03-11 STEEL FOR HOT STAMPING, HOT STAMPING AND PROCESS FOR ITS PRODUCTION

Country Status (6)

Country Link
US (1) US20220316038A1 (https=)
EP (1) EP3981890A4 (https=)
JP (1) JP7540437B2 (https=)
KR (2) KR20240042117A (https=)
CN (1) CN113939604A (https=)
WO (1) WO2020246099A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7815847B2 (ja) * 2022-02-24 2026-02-18 大同特殊鋼株式会社 金型用鋼および金型

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06145884A (ja) * 1992-11-04 1994-05-27 Hitachi Metals Ltd 耐塑性流動性に優れる熱間加工用金型
JPH10298709A (ja) * 1997-04-25 1998-11-10 Hitachi Metals Ltd 耐摩耗性に優れる熱間加工用工具鋼および工具鋼製品
CN102605261A (zh) * 2012-03-23 2012-07-25 宝山钢铁股份有限公司 一种热冲压模具钢及其制造方法
JP2013087322A (ja) * 2011-10-18 2013-05-13 Sanyo Special Steel Co Ltd 熱間金型用鋼
CN104928586A (zh) * 2015-06-30 2015-09-23 宝山钢铁股份有限公司 一种热冲压模具钢及其生产方法
CN107130167A (zh) * 2016-02-29 2017-09-05 宝钢特钢有限公司 一种高性能热冲压模具钢及其制备方法
JP2017155306A (ja) * 2016-03-03 2017-09-07 山陽特殊製鋼株式会社 優れた高温強度および靱性を有する熱間工具鋼
CN107974637A (zh) * 2017-12-19 2018-05-01 攀钢集团江油长城特殊钢有限公司 一种热作模具钢及其制备方法

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JPS5548358A (en) 1978-10-03 1980-04-07 Minamoto:Kk "sushi" wrapped with "konbu", sea tangle, and its making method
JPS5744300U (https=) 1980-08-26 1982-03-11
JP2011001572A (ja) * 2009-06-16 2011-01-06 Daido Steel Co Ltd 熱間工具鋼及びこれを用いた鋼製品
EP2662462A1 (en) * 2012-05-07 2013-11-13 Valls Besitz GmbH Low temperature hardenable steels with excellent machinability
CN103276298B (zh) * 2013-06-09 2015-08-05 河冶科技股份有限公司 高硬高韧冷热兼作模具钢及其生产方法
CN104046915B (zh) * 2014-04-28 2016-05-11 如皋市宏茂重型锻压有限公司 大截面压铸用高性能热作模具钢及其制备工艺
JP6647771B2 (ja) * 2014-05-23 2020-02-14 大同特殊鋼株式会社 金型用鋼及び金型
JP5744300B1 (ja) 2014-11-11 2015-07-08 日本高周波鋼業株式会社 熱間工具鋼
JP6528610B2 (ja) 2015-08-28 2019-06-12 大同特殊鋼株式会社 金型用鋼および金型
WO2017038879A1 (ja) 2015-09-02 2017-03-09 大同特殊鋼株式会社 金型用鋼及び成形具
JP6859623B2 (ja) 2015-09-11 2021-04-14 大同特殊鋼株式会社 金型用鋼及び成形具
WO2017043446A1 (ja) * 2015-09-11 2017-03-16 大同特殊鋼株式会社 金型用鋼及び成形具
JP6977414B2 (ja) * 2017-09-07 2021-12-08 大同特殊鋼株式会社 金型
JP7172275B2 (ja) * 2018-08-17 2022-11-16 日立金属株式会社 ホットスタンプ用金型用鋼、ホットスタンプ用金型およびその製造方法
CN109207848A (zh) * 2018-09-04 2019-01-15 黄石市斯帝金属材料技术开发有限公司 一种通用型模具钢

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06145884A (ja) * 1992-11-04 1994-05-27 Hitachi Metals Ltd 耐塑性流動性に優れる熱間加工用金型
JPH10298709A (ja) * 1997-04-25 1998-11-10 Hitachi Metals Ltd 耐摩耗性に優れる熱間加工用工具鋼および工具鋼製品
JP2013087322A (ja) * 2011-10-18 2013-05-13 Sanyo Special Steel Co Ltd 熱間金型用鋼
CN102605261A (zh) * 2012-03-23 2012-07-25 宝山钢铁股份有限公司 一种热冲压模具钢及其制造方法
CN104928586A (zh) * 2015-06-30 2015-09-23 宝山钢铁股份有限公司 一种热冲压模具钢及其生产方法
CN107130167A (zh) * 2016-02-29 2017-09-05 宝钢特钢有限公司 一种高性能热冲压模具钢及其制备方法
JP2017155306A (ja) * 2016-03-03 2017-09-07 山陽特殊製鋼株式会社 優れた高温強度および靱性を有する熱間工具鋼
CN107974637A (zh) * 2017-12-19 2018-05-01 攀钢集团江油长城特殊钢有限公司 一种热作模具钢及其制备方法

Non-Patent Citations (1)

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Title
See also references of WO2020246099A1 *

Also Published As

Publication number Publication date
CN113939604A (zh) 2022-01-14
JPWO2020246099A1 (https=) 2020-12-10
US20220316038A1 (en) 2022-10-06
KR20220002523A (ko) 2022-01-06
WO2020246099A1 (ja) 2020-12-10
EP3981890A1 (en) 2022-04-13
JP7540437B2 (ja) 2024-08-27
KR20240042117A (ko) 2024-04-01

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