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SE547235C2 - A hot forming tool for press hardening - Google Patents

A hot forming tool for press hardening

Info

Publication number
SE547235C2
SE547235C2 SE2350765A SE2350765A SE547235C2 SE 547235 C2 SE547235 C2 SE 547235C2 SE 2350765 A SE2350765 A SE 2350765A SE 2350765 A SE2350765 A SE 2350765A SE 547235 C2 SE547235 C2 SE 547235C2
Authority
SE
Sweden
Prior art keywords
press hardening
main body
tool
hot
thickness
Prior art date
Application number
SE2350765A
Other languages
Swedish (sv)
Other versions
SE2350765A1 (en
Inventor
Anders Kvarned
Original Assignee
Uddeholms Ab
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 Uddeholms Ab filed Critical Uddeholms Ab
Priority to SE2350765A priority Critical patent/SE547235C2/en
Priority to PCT/SE2024/050609 priority patent/WO2024263093A1/en
Priority to TW113122903A priority patent/TW202507023A/en
Publication of SE2350765A1 publication Critical patent/SE2350765A1/en
Publication of SE547235C2 publication Critical patent/SE547235C2/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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B23K26/342—Build-up welding
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

A hot forming tool for press hardening, wherein the tool comprises a main body and, partly or fully of a laser metal deposited surface layer, the main body as well as the surface layer consist of a tool steel alloy having the following composition in weight %:C 0.27 - 0.40Si 0.10 - 0.35Mn 0.2 - 0.8Cr 4.0 - 6.0Mo 2.0 - 3.0V 0.4 - 0.6A1 0.001 - 0.06N 0.003 - 0.12optionally one or more of Ni, Cu, Co, W and Nb in an amount of up to 1 % each, and optionally one or more of Zr, Ta, Ti and B in an amount of up to 0.1 % each, balance Fe apart from impurities.

Claims (8)

  1. l. A hot forrning tool for press hardening, Wherein the tool comprises a main body and, partly or fully of a laser metal deposited surface layer, the main body as Well as the surface layer consist of a tool steel alloy having the following composition in Weight %: C 0.27 - 0.40 Si 0.10 - 0.35 Mn 0.2 - 0.Cr 4.0 - 6.0 Mo 2.0 - 3.V 0.4 - 0.Al 0.00l - 0.06 N 0.003 - 0.optionally one or more of Ni, Cu, Co, W and Nb in an amount of up to l % each, and optionally one or more of Zr, Ta, Ti and B in an amount of up to 0.l % each, balance Fe apart from impurities, Wherein the main body has a hardness of 44 - 54 HRC and Wherein the outermost surface layer has a hardness of 53-59 HRC.
  2. 2. A hot forrning tool for press hardening as defined in claim l, Wherein the main body has a hardness of 5l - 53 HRC.
  3. 3. A hot forrning tool for press hardening as defined in claim l or 2, Wherein the outermost surface layer has a thickness of 0.3 - 29 mm.
  4. 4. A hot forrning tool for press hardening as defined in any of the preceding claims, Wherein the outermost surface layer has a thickness of l - 3 mm.
  5. 5. A method of producing a hot forming tool for press hardening as defined in c1aim 1, comprising the steps of: providing a main body to be provided with a surface 1ayer, providing a pre-a11oyed powder having a composition as defined in c1aim 1 and having a grain size of 20 - 150 um, app1ying the pre-a11oyed powder to the surface of the main body by 1aser metadeposition to a pre-determined 1ayer thickness, tempering the thus obtained hot forming too1 twice at a temperature of 500 - 650°C for at 1east 1h in order to reduce or e1iminate any retained austenite, and machining the tempered surface to a fina1 thickness thereby obtaining a hot forrning too1 having a hardness of 53-59 HRC in the outermost surface 1ayer. . A method of producing a hot forming too1 for press hardening as defined in c1aim 5, wherein the method further comprising pre-heating the main body to a temperature of 300 °C to 500 °C before the 1aser meta1 deposition. . A method of producing a hot forming too1 for press hardening as defined in c1aim 5 or 6, wherein the pre-a11oyed powder fu1fi11s at 1east one of the fo11owing requirements : D10S50 um D50 70 :15 um D90§ 130 u A method of producing a hot forming too1 for press hardening as defined in any of c1aims 5 to 7, wherein the as-deposited surface 1ayer has a thickness of 1-mm and wherein the thickness of the machined surface 1ayer is 0.3 - 29 mm.
SE2350765A 2023-06-21 2023-06-21 A hot forming tool for press hardening SE547235C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE2350765A SE547235C2 (en) 2023-06-21 2023-06-21 A hot forming tool for press hardening
PCT/SE2024/050609 WO2024263093A1 (en) 2023-06-21 2024-06-19 A hot forming tool for press hardening
TW113122903A TW202507023A (en) 2023-06-21 2024-06-20 A hot forming tool for press hardening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2350765A SE547235C2 (en) 2023-06-21 2023-06-21 A hot forming tool for press hardening

Publications (2)

Publication Number Publication Date
SE2350765A1 SE2350765A1 (en) 2024-12-22
SE547235C2 true SE547235C2 (en) 2025-06-10

Family

ID=94283149

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2350765A SE547235C2 (en) 2023-06-21 2023-06-21 A hot forming tool for press hardening

Country Status (1)

Country Link
SE (1) SE547235C2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999050468A1 (en) * 1998-03-27 1999-10-07 Uddeholm Tooling Aktiebolag Steel material for hot work tools
US20080302501A1 (en) * 2005-11-29 2008-12-11 Nicolas Binot Steel for Hot Tooling, and Part Produced From Said Steel, Method for the Production Thereof, and Uses of the Same
DE102010025950A1 (en) * 2010-07-02 2012-01-05 Eifeler Lasertechnik Gmbh Improving wear resistance of a forming tool, preferably a heat forming tool useful for manufacturing press-hardened components, comprising providing forming tool with a protective layer made of a powdered coating material by welding
WO2017111680A1 (en) * 2015-12-22 2017-06-29 Uddeholms Ab Hot work tool steel
WO2021090966A1 (en) * 2019-11-05 2021-05-14 한국해양대학교 산학협력단 Hard facing method for press die

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999050468A1 (en) * 1998-03-27 1999-10-07 Uddeholm Tooling Aktiebolag Steel material for hot work tools
US20080302501A1 (en) * 2005-11-29 2008-12-11 Nicolas Binot Steel for Hot Tooling, and Part Produced From Said Steel, Method for the Production Thereof, and Uses of the Same
DE102010025950A1 (en) * 2010-07-02 2012-01-05 Eifeler Lasertechnik Gmbh Improving wear resistance of a forming tool, preferably a heat forming tool useful for manufacturing press-hardened components, comprising providing forming tool with a protective layer made of a powdered coating material by welding
WO2017111680A1 (en) * 2015-12-22 2017-06-29 Uddeholms Ab Hot work tool steel
WO2021090966A1 (en) * 2019-11-05 2021-05-14 한국해양대학교 산학협력단 Hard facing method for press die

Also Published As

Publication number Publication date
SE2350765A1 (en) 2024-12-22

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