EP4592003A4 - PROCESS FOR PRODUCING HOT WORK TOOL STEEL, AND HOT WORK TOOL STEEL - Google Patents

PROCESS FOR PRODUCING HOT WORK TOOL STEEL, AND HOT WORK TOOL STEEL

Info

Publication number
EP4592003A4
EP4592003A4 EP23868056.5A EP23868056A EP4592003A4 EP 4592003 A4 EP4592003 A4 EP 4592003A4 EP 23868056 A EP23868056 A EP 23868056A EP 4592003 A4 EP4592003 A4 EP 4592003A4
Authority
EP
European Patent Office
Prior art keywords
work tool
tool steel
hot work
produce
hot
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
EP23868056.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4592003A1 (en
Inventor
Yousuke Nakano
Yuya Koga
Kouta Kataoka
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
Proterial 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 Proterial Ltd filed Critical Proterial Ltd
Publication of EP4592003A1 publication Critical patent/EP4592003A1/en
Publication of EP4592003A4 publication Critical patent/EP4592003A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/04—Shaping in the rough solely by forging or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/08—Upsetting
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
    • 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
    • C22C38/02—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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Steel (AREA)
  • Forging (AREA)
EP23868056.5A 2022-09-21 2023-09-07 PROCESS FOR PRODUCING HOT WORK TOOL STEEL, AND HOT WORK TOOL STEEL Pending EP4592003A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022150744 2022-09-21
JP2023046521 2023-03-23
PCT/JP2023/032637 WO2024062933A1 (ja) 2022-09-21 2023-09-07 熱間工具鋼の製造方法および熱間工具鋼

Publications (2)

Publication Number Publication Date
EP4592003A1 EP4592003A1 (en) 2025-07-30
EP4592003A4 true EP4592003A4 (en) 2026-01-07

Family

ID=90454262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23868056.5A Pending EP4592003A4 (en) 2022-09-21 2023-09-07 PROCESS FOR PRODUCING HOT WORK TOOL STEEL, AND HOT WORK TOOL STEEL

Country Status (5)

Country Link
EP (1) EP4592003A4 (https=)
JP (1) JPWO2024062933A1 (https=)
KR (1) KR20250054085A (https=)
CN (1) CN119907721A (https=)
WO (1) WO2024062933A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015182586A1 (ja) * 2014-05-28 2015-12-03 日立金属株式会社 熱間工具材料および熱間工具の製造方法
CN107252866B (zh) * 2017-06-08 2019-11-01 四川理工学院 核反应堆带多个凸出管嘴大型封头锻件整体锻造成形方法
CN114015949A (zh) * 2021-11-11 2022-02-08 成都先进金属材料产业技术研究院股份有限公司 改善含钒冷作模具钢碳化物形态的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6565683B1 (en) * 1996-06-21 2003-05-20 General Electric Company Method for processing billets from multiphase alloys and the article
JP2007100194A (ja) 2005-10-07 2007-04-19 Daido Steel Co Ltd 熱間工具鋼の製造方法
JP6195166B2 (ja) 2014-03-24 2017-09-13 本田技研工業株式会社 自動車の車体構造
BR112017026771B1 (pt) * 2015-06-22 2022-02-01 Hitachi Metals, Ltd Método para produzir um material de aço de ferramenta de alta velocidade, e, produto de aço de ferramenta de alta velocidade
CN114951528B (zh) * 2021-02-23 2025-07-15 天津重型装备工程研究有限公司 一种用于改善高合金钢锻件性能的闭式锻造方法及工装

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015182586A1 (ja) * 2014-05-28 2015-12-03 日立金属株式会社 熱間工具材料および熱間工具の製造方法
CN107252866B (zh) * 2017-06-08 2019-11-01 四川理工学院 核反应堆带多个凸出管嘴大型封头锻件整体锻造成形方法
CN114015949A (zh) * 2021-11-11 2022-02-08 成都先进金属材料产业技术研究院股份有限公司 改善含钒冷作模具钢碳化物形态的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024062933A1 *

Also Published As

Publication number Publication date
EP4592003A1 (en) 2025-07-30
KR20250054085A (ko) 2025-04-22
WO2024062933A1 (ja) 2024-03-28
CN119907721A (zh) 2025-04-29
JPWO2024062933A1 (https=) 2024-03-28

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A4 Supplementary search report drawn up and despatched

Effective date: 20251208

RIC1 Information provided on ipc code assigned before grant

Ipc: B21J 1/02 20060101AFI20251202BHEP

Ipc: C22C 38/34 20060101ALI20251202BHEP

Ipc: B21J 1/04 20060101ALI20251202BHEP

Ipc: C22C 38/24 20060101ALI20251202BHEP

Ipc: C22C 38/26 20060101ALI20251202BHEP

Ipc: C22C 38/30 20060101ALI20251202BHEP

Ipc: C22C 38/22 20060101ALI20251202BHEP

Ipc: C22C 38/04 20060101ALI20251202BHEP

Ipc: C21D 9/22 20060101ALI20251202BHEP

Ipc: B21J 5/00 20060101ALI20251202BHEP

Ipc: C22C 38/02 20060101ALI20251202BHEP

Ipc: C21D 6/00 20060101ALI20251202BHEP

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Ipc: B21J 5/08 20060101ALI20251202BHEP