PL4006178T3 - Sposób wytwarzania hartowanej części, która nie wykazuje problemów z LME - Google Patents

Sposób wytwarzania hartowanej części, która nie wykazuje problemów z LME

Info

Publication number
PL4006178T3
PL4006178T3 PL22151717.0T PL22151717T PL4006178T3 PL 4006178 T3 PL4006178 T3 PL 4006178T3 PL 22151717 T PL22151717 T PL 22151717T PL 4006178 T3 PL4006178 T3 PL 4006178T3
Authority
PL
Poland
Prior art keywords
manufacture
hardened part
lme
issues
lme issues
Prior art date
Application number
PL22151717.0T
Other languages
English (en)
Inventor
Christian Allely
Tiago MACHADO AMORIM
Raisa Grigorieva
David DUSSAUSSOIS
Original Assignee
Arcelormittal
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 Arcelormittal filed Critical Arcelormittal
Publication of PL4006178T3 publication Critical patent/PL4006178T3/pl

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
    • 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
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/12—Aluminium or alloys based thereon
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C23C2/29—Cooling or quenching
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • 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
    • C21D2211/002—Bainite
    • 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
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Articles (AREA)
  • Coating With Molten Metal (AREA)
PL22151717.0T 2015-07-30 2016-07-11 Sposób wytwarzania hartowanej części, która nie wykazuje problemów z LME PL4006178T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2015/001284 WO2017017484A1 (en) 2015-07-30 2015-07-30 Method for the manufacture of a hardened part which does not have lme issues

Publications (1)

Publication Number Publication Date
PL4006178T3 true PL4006178T3 (pl) 2025-06-23

Family

ID=54015126

Family Applications (2)

Application Number Title Priority Date Filing Date
PL22151717.0T PL4006178T3 (pl) 2015-07-30 2016-07-11 Sposób wytwarzania hartowanej części, która nie wykazuje problemów z LME
PL16745498T PL3329021T3 (pl) 2015-07-30 2016-07-11 Sposób wytwarzania hartowanej części, która nie wykazuje problemów z LME

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL16745498T PL3329021T3 (pl) 2015-07-30 2016-07-11 Sposób wytwarzania hartowanej części, która nie wykazuje problemów z LME

Country Status (16)

Country Link
US (6) US11162153B2 (pl)
EP (3) EP4006178B1 (pl)
JP (1) JP6630431B2 (pl)
KR (1) KR102075278B1 (pl)
CN (1) CN107849628B (pl)
BR (1) BR112018000450B1 (pl)
CA (1) CA2991548C (pl)
ES (2) ES2909307T3 (pl)
FI (1) FI4006178T3 (pl)
HU (2) HUE058024T2 (pl)
MA (1) MA42520B1 (pl)
MX (1) MX2018001308A (pl)
PL (2) PL4006178T3 (pl)
RU (1) RU2685617C1 (pl)
UA (1) UA119821C2 (pl)
WO (2) WO2017017484A1 (pl)

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WO2017017483A1 (en) 2015-07-30 2017-02-02 Arcelormittal Steel sheet coated with a metallic coating based on aluminum
WO2017017485A1 (en) 2015-07-30 2017-02-02 Arcelormittal A method for the manufacture of a phosphatable part starting from a steel sheet coated with a metallic coating based on aluminium
WO2017017484A1 (en) 2015-07-30 2017-02-02 Arcelormittal Method for the manufacture of a hardened part which does not have lme issues
WO2018158165A1 (en) * 2017-02-28 2018-09-07 Tata Steel Ijmuiden B.V. Method for producing a steel strip with an aluminium alloy coating layer
CN110475899A (zh) * 2017-03-31 2019-11-19 日本制铁株式会社 表面处理钢板
RU2019142469A (ru) * 2017-06-02 2021-07-09 Ниппон Стил Корпорейшн Горячештампованный элемент
UA127384C2 (uk) 2018-09-13 2023-08-02 Арселорміттал Спосіб зварювання для виготовлення збірної конструкції, збірна конструкція і застосування збірної конструкції
WO2020053734A1 (en) 2018-09-13 2020-03-19 Arcelormittal An assembly of at least 2 metallic substrates
JP7194269B2 (ja) 2018-09-13 2022-12-21 アルセロールミタル 少なくとも２枚の金属基材の組立体
CN109324619B (zh) * 2018-09-25 2021-10-22 苏州大学 液态金属电致驱动小车及其运动控制方法
KR102354447B1 (ko) * 2018-09-27 2022-03-21 주식회사 포스코 용접액화취성에 대한 저항성과 도금밀착성이 우수한 고내식 도금강판
WO2020109849A1 (en) 2018-11-30 2020-06-04 Arcelormittal Wire injection
JP6813133B2 (ja) 2018-11-30 2021-01-13 日本製鉄株式会社 アルミめっき鋼板、ホットスタンプ部材及びホットスタンプ部材の製造方法
KR102153194B1 (ko) * 2018-12-18 2020-09-08 주식회사 포스코 액상금속취화(lme) 균열 저항성이 우수한 초고강도 고연성 냉연강판, 도금강판 및 이들의 제조방법
CN113557316B (zh) * 2019-04-01 2022-10-04 日本制铁株式会社 热冲压成形品和热冲压用钢板、以及它们的制造方法
WO2020204027A1 (ja) * 2019-04-01 2020-10-08 日本製鉄株式会社 ホットスタンプ成形品およびその製造方法
WO2020208399A1 (en) 2019-04-09 2020-10-15 Arcelormittal Assembly of an aluminium component and of a press hardened steel part having an alloyed coating comprising silicon, iron, zinc, optionally magnesium, the balance being aluminum
WO2021084304A1 (en) * 2019-10-30 2021-05-06 Arcelormittal A press hardening method
WO2021084302A1 (en) * 2019-10-30 2021-05-06 Arcelormittal A press hardening method
KR20210078277A (ko) 2019-12-18 2021-06-28 주식회사 포스코 알루미늄합금 도금강판, 열간성형 부재 및 이들의 제조방법
WO2022096921A1 (en) * 2020-11-06 2022-05-12 Arcelormittal Rear underfloor structure for a motor vehicle
KR102888145B1 (ko) 2021-01-14 2025-11-19 닛폰세이테츠 가부시키가이샤 핫 스탬프 부재
KR102845678B1 (ko) 2021-01-14 2025-08-18 닛폰세이테츠 가부시키가이샤 도금 강재
EP4417729B1 (en) 2021-10-12 2025-09-17 Nippon Steel Corporation Hot stamped body
WO2024028642A1 (en) * 2022-08-04 2024-02-08 Arcelormittal Steel sheet having excellent powdering properties after press-hardening and method for manufacturing the same
WO2024028640A1 (en) * 2022-08-04 2024-02-08 Arcelormittal Steel sheet with variable thickness having a reduced risk of delayed fracture after press hardening, a press hardening method, a press hardened coated steel part
WO2024028641A1 (en) * 2022-08-04 2024-02-08 Arcelormittal Steel sheet having excellent corrosion properties after press hardening and method for manufacturing the same
WO2024070812A1 (ja) * 2022-09-29 2024-04-04 日本製鉄株式会社 切断加工品、及びガードレール
KR20250103705A (ko) 2022-12-09 2025-07-07 닛폰세이테츠 가부시키가이샤 핫 스탬프 성형체
JP2026500192A (ja) * 2022-12-09 2026-01-06 アルセロールミタル 環境負荷の低い鋼製プレス部品の製造方法
KR20250103708A (ko) 2022-12-09 2025-07-07 닛폰세이테츠 가부시키가이샤 핫 스탬프 성형체
WO2024122117A1 (ja) 2022-12-09 2024-06-13 日本製鉄株式会社 ホットスタンプ成形体
WO2024122119A1 (ja) 2022-12-09 2024-06-13 日本製鉄株式会社 ホットスタンプ成形体
KR20250103730A (ko) 2022-12-09 2025-07-07 닛폰세이테츠 가부시키가이샤 도금 강판
KR20240087218A (ko) * 2022-12-12 2024-06-19 주식회사 포스코 도금강판 및 그 제조방법
WO2024161173A1 (en) * 2023-01-30 2024-08-08 Arcelormittal A method to produce press hardened parts at high productivity
WO2024033722A1 (en) * 2023-06-30 2024-02-15 Arcelormittal Crack-containing hot-stamped steel part with a thin coating with excellent spot-weldability and excellent painting adhesion
WO2024033721A1 (en) 2023-06-30 2024-02-15 Arcelormittal Crack-containing hot-stamped coated steel part with excellent spot-weldability and excellent painting adhesion
WO2026058027A1 (en) * 2024-09-12 2026-03-19 Arcelormittal Press hardened coated steel part, and method for manufacturing the same
KR102923023B1 (ko) 2025-05-21 2026-02-03 이지운 간답대의 조립이 용이한 양식장용 부구

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