MA42520A - Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme - Google Patents

Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme

Info

Publication number
MA42520A
MA42520A MA042520A MA42520A MA42520A MA 42520 A MA42520 A MA 42520A MA 042520 A MA042520 A MA 042520A MA 42520 A MA42520 A MA 42520A MA 42520 A MA42520 A MA 42520A
Authority
MA
Morocco
Prior art keywords
manufacturing
hardened part
lme
lme problems
hardened
Prior art date
Application number
MA042520A
Other languages
English (en)
Other versions
MA42520B1 (fr
Inventor
Christian Allely
David Dussaussois
Raisa Grigorieva
Amorim Tiago Machado
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 MA42520A publication Critical patent/MA42520A/fr
Publication of MA42520B1 publication Critical patent/MA42520B1/fr

Links

Classifications

    • 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
    • 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
    • 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)
MA42520A 2015-07-30 2016-07-11 Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme MA42520B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IB2015/001284 WO2017017484A1 (fr) 2015-07-30 2015-07-30 Procédé pour la fabrication d'une pièce durcie qui ne présente pas de problèmes lme (liquide metal embrittlement - fragilité par les métaux liquides)
PCT/IB2016/000983 WO2017017514A1 (fr) 2015-07-30 2016-07-11 Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme

Publications (2)

Publication Number Publication Date
MA42520A true MA42520A (fr) 2018-06-06
MA42520B1 MA42520B1 (fr) 2022-02-28

Family

ID=54015126

Family Applications (1)

Application Number Title Priority Date Filing Date
MA42520A MA42520B1 (fr) 2015-07-30 2016-07-11 Procédé de fabrication d'une pièce durcie ne présentant aucun problème de lme

Country Status (16)

Country Link
US (6) US11162153B2 (fr)
EP (3) EP4553182A3 (fr)
JP (1) JP6630431B2 (fr)
KR (1) KR102075278B1 (fr)
CN (1) CN107849628B (fr)
BR (1) BR112018000450B1 (fr)
CA (1) CA2991548C (fr)
ES (2) ES3035633T3 (fr)
FI (1) FI4006178T3 (fr)
HU (2) HUE058024T2 (fr)
MA (1) MA42520B1 (fr)
MX (1) MX2018001308A (fr)
PL (2) PL3329021T3 (fr)
RU (1) RU2685617C1 (fr)
UA (1) UA119821C2 (fr)
WO (2) WO2017017484A1 (fr)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
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WO2017017485A1 (fr) 2015-07-30 2017-02-02 Arcelormittal Procédé de fabrication d'une pièce phosphatable à partir d'une tôle d'acier revêtue d'un revêtement métallique à base d'aluminium
WO2017017483A1 (fr) * 2015-07-30 2017-02-02 Arcelormittal Tôle d'acier revêtue d'un revêtement métallique à base d'aluminium
WO2017017484A1 (fr) * 2015-07-30 2017-02-02 Arcelormittal Procédé pour la fabrication d'une pièce durcie qui ne présente pas de problèmes lme (liquide metal embrittlement - fragilité par les métaux liquides)
CN110352260B (zh) * 2017-02-28 2021-11-05 塔塔钢铁艾默伊登有限责任公司 用于制备热成形的涂覆的钢产物的方法
US11884998B2 (en) 2017-03-31 2024-01-30 Nippon Steel Corporation Surface treated steel sheet
CA3064848A1 (fr) * 2017-06-02 2018-12-06 Nippon Steel Corporation Element d'estampage a chaud
UA127384C2 (uk) 2018-09-13 2023-08-02 Арселорміттал Спосіб зварювання для виготовлення збірної конструкції, збірна конструкція і застосування збірної конструкції
CN121156460A (zh) 2018-09-13 2025-12-19 安赛乐米塔尔公司 至少两个金属基底的组件
US11919102B2 (en) 2018-09-13 2024-03-05 Arcelormittal Assembly of at least 2 metallic substrates
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 (fr) 2018-11-30 2020-06-04 Arcelormittal Injection de fil
MX2021006058A (es) 2018-11-30 2021-07-06 Nippon Steel Corp Lamina de acero enchapada con aluminio, miembro estampado en caliente y metodo para fabricar miembro estampado en caliente.
KR102153194B1 (ko) * 2018-12-18 2020-09-08 주식회사 포스코 액상금속취화(lme) 균열 저항성이 우수한 초고강도 고연성 냉연강판, 도금강판 및 이들의 제조방법
WO2020204037A1 (fr) * 2019-04-01 2020-10-08 日本製鉄株式会社 Article moulé estampé à chaud, plaque d'acier pour estampage à chaud, et procédés de fabrication de ceux-ci
KR102633542B1 (ko) * 2019-04-01 2024-02-06 닛폰세이테츠 가부시키가이샤 핫 스탬프 성형품 및 그 제조 방법
WO2020208399A1 (fr) 2019-04-09 2020-10-15 Arcelormittal Assemblage d'un composant en aluminium et d'une pièce en acier trempé sous presse ayant un revêtement en alliage comprenant du silicium, du fer, du zinc, éventuellement du magnésium, le reste étant de l'aluminium
WO2021084302A1 (fr) * 2019-10-30 2021-05-06 Arcelormittal Procédé d'emboutissage à chaud
WO2021084304A1 (fr) * 2019-10-30 2021-05-06 Arcelormittal Procédé d'emboutissage à chaud
KR20210078277A (ko) * 2019-12-18 2021-06-28 주식회사 포스코 알루미늄합금 도금강판, 열간성형 부재 및 이들의 제조방법
WO2022096921A1 (fr) * 2020-11-06 2022-05-12 Arcelormittal Structure de plancher arrière pour véhicule automobile
KR102888145B1 (ko) 2021-01-14 2025-11-19 닛폰세이테츠 가부시키가이샤 핫 스탬프 부재
JP7510087B2 (ja) * 2021-01-14 2024-07-03 日本製鉄株式会社 めっき鋼材
EP4417729B1 (fr) 2021-10-12 2025-09-17 Nippon Steel Corporation Corps estampé à chaud
WO2024028642A1 (fr) * 2022-08-04 2024-02-08 Arcelormittal Tôle d'acier ayant d'excellentes propriétés de poudrage après durcissement à la presse et son procédé de fabrication
WO2024028640A1 (fr) * 2022-08-04 2024-02-08 Arcelormittal Feuille d'acier à épaisseur variable présentant un risque réduit de fracture retardée après emboutissage à chaud, procédé d'emboutissage à chaud, pièce d'acier revêtue emboutie à chaud
WO2024028641A1 (fr) * 2022-08-04 2024-02-08 Arcelormittal Tôle d'acier ayant d'excellentes propriétés de corrosion après durcissement à la presse et son procédé de fabrication
JP7460944B1 (ja) * 2022-09-29 2024-04-03 日本製鉄株式会社 切断加工品、及びガードレール
US20260201490A1 (en) * 2022-12-09 2026-07-16 Arcelormittal Method of manufacturing steel press parts with low environmental impact
KR20250103708A (ko) 2022-12-09 2025-07-07 닛폰세이테츠 가부시키가이샤 핫 스탬프 성형체
EP4632095A4 (fr) 2022-12-09 2026-02-25 Nippon Steel Corp Tôle d'acier plaquée
KR20250103705A (ko) 2022-12-09 2025-07-07 닛폰세이테츠 가부시키가이샤 핫 스탬프 성형체
CN120380182A (zh) 2022-12-09 2025-07-25 日本制铁株式会社 热冲压成形体
WO2024122117A1 (fr) 2022-12-09 2024-06-13 日本製鉄株式会社 Corps moulé estampé à chaud
KR20240087218A (ko) * 2022-12-12 2024-06-19 주식회사 포스코 도금강판 및 그 제조방법
WO2024161173A1 (fr) * 2023-01-30 2024-08-08 Arcelormittal Procédé de production de pièces durcies à la presse à productivité élevée
WO2024033722A1 (fr) * 2023-06-30 2024-02-15 Arcelormittal Pièce en acier estampée à chaud contenant des fissures avec un revêtement mince ayant une excellente soudabilité par points et une excellente adhérence de peinture
WO2024033721A1 (fr) * 2023-06-30 2024-02-15 Arcelormittal Pièce d'acier revêtue estampée à chaud contenant des fissures présentant une excellente soudabilité par points et une excellente adhérence de peinture
WO2026058027A1 (fr) * 2024-09-12 2026-03-19 Arcelormittal Pièce en acier revêtu trempé à la presse et son procédé de fabrication
KR102923023B1 (ko) 2025-05-21 2026-02-03 이지운 간답대의 조립이 용이한 양식장용 부구

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US20210395853A1 (en) 2021-12-23
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US20250305080A1 (en) 2025-10-02
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