ES2899238T3 - Tira, lámina o pieza en bruto de acero para producir una pieza conformada en caliente, pieza y método para conformar en caliente una pieza en bruto en una pieza - Google Patents
Tira, lámina o pieza en bruto de acero para producir una pieza conformada en caliente, pieza y método para conformar en caliente una pieza en bruto en una pieza Download PDFInfo
- Publication number
- ES2899238T3 ES2899238T3 ES18740258T ES18740258T ES2899238T3 ES 2899238 T3 ES2899238 T3 ES 2899238T3 ES 18740258 T ES18740258 T ES 18740258T ES 18740258 T ES18740258 T ES 18740258T ES 2899238 T3 ES2899238 T3 ES 2899238T3
- Authority
- ES
- Spain
- Prior art keywords
- steel
- blank
- hot
- temperature
- sheet
- 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.)
- Active
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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, 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
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/12—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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- 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
- C22C38/26—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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C23C2/06—Zinc or cadmium 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
- C23C2/34—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
- 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
- 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
- C21D2211/008—Martensite
-
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- 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
- C22C38/00—Ferrous alloys, e.g. steel alloys
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 Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17183092 | 2017-07-25 | ||
EP17186911 | 2017-08-18 | ||
PCT/EP2018/069939 WO2019020575A1 (fr) | 2017-07-25 | 2018-07-23 | Bande, tôle ou ébauche en acier pour la fabrication d'une pièce formée à chaud, et procédé de formage à chaud d'une ébauche pour former une pièce |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2899238T3 true ES2899238T3 (es) | 2022-03-10 |
Family
ID=62904499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES18740258T Active ES2899238T3 (es) | 2017-07-25 | 2018-07-23 | Tira, lámina o pieza en bruto de acero para producir una pieza conformada en caliente, pieza y método para conformar en caliente una pieza en bruto en una pieza |
Country Status (8)
Country | Link |
---|---|
US (1) | US20210156012A1 (fr) |
EP (1) | EP3658692B1 (fr) |
JP (1) | JP7326247B2 (fr) |
KR (2) | KR20240142610A (fr) |
BR (1) | BR112020000917A2 (fr) |
ES (1) | ES2899238T3 (fr) |
MX (1) | MX2020000928A (fr) |
WO (1) | WO2019020575A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220013393A (ko) * | 2019-05-28 | 2022-02-04 | 타타 스틸 이즈무이덴 베.뷔. | 열간-스탬프 부품을 생산하기 위한 강철 스트립, 시트 또는 블랭크, 열간-스탬프 부품, 및 블랭크를 부품으로 열간-스탬핑하는 방법 |
KR20220102651A (ko) * | 2020-01-16 | 2022-07-20 | 닛폰세이테츠 가부시키가이샤 | 핫 스탬프 성형체 |
KR102345608B1 (ko) * | 2020-12-23 | 2021-12-30 | 현대제철 주식회사 | 핫 스탬핑 부품, 및 이의 제조 방법 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE435527B (sv) | 1973-11-06 | 1984-10-01 | Plannja Ab | Forfarande for framstellning av en detalj av herdat stal |
FR2735148B1 (fr) | 1995-06-08 | 1997-07-11 | Lorraine Laminage | Tole d'acier laminee a chaud a haute resistance et haute emboutissabilite renfermant du niobium, et ses procedes de fabrication. |
JP4449795B2 (ja) * | 2005-03-22 | 2010-04-14 | 住友金属工業株式会社 | 熱間プレス用熱延鋼板およびその製造方法ならびに熱間プレス成形部材の製造方法 |
JP5586008B2 (ja) | 2007-02-23 | 2014-09-10 | タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップ | 強度が非常に高い最終製品の熱機械的成形方法およびその方法により製造された製品 |
DK2434027T3 (en) | 2009-05-22 | 2015-12-07 | Jfe Steel Corp | Steel materials for welding with high heat input |
MX2012014594A (es) | 2010-06-14 | 2013-02-21 | Nippon Steel & Sumitomo Metal Corp | Articulo moldeado y estampado en caliente, proceso para produccion de placa de acero para estampado en caliente, y proceso para produccion de un articulo moldeado y estampado en caliente. |
MX359051B (es) * | 2010-10-22 | 2018-09-13 | Nippon Steel & Sumitomo Metal Corp | Proceso para producir un artículo moldeado por estampación en caliente, y artículo moldeado por estampación en caliente. |
WO2013149734A1 (fr) | 2012-04-05 | 2013-10-10 | Tata Steel Ijmuiden B.V. | Bande d'acier ayant une faible teneur en si |
DE102013009232A1 (de) | 2013-05-28 | 2014-12-04 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung eines Bauteils durch Warmumformen eines Vorproduktes aus Stahl |
CA2924812A1 (fr) * | 2013-09-19 | 2015-03-26 | Tata Steel Ijmuiden B.V. | Acier pour le formage a chaud |
EP2851440A1 (fr) * | 2013-09-19 | 2015-03-25 | Tata Steel IJmuiden BV | Acier pour formage à chaud |
JP6303580B2 (ja) * | 2014-02-19 | 2018-04-04 | 新日鐵住金株式会社 | 熱処理用鋼板およびその製造方法 |
WO2015144318A1 (fr) | 2014-03-28 | 2015-10-01 | Tata Steel Ijmuiden B.V. | Procédé de formage à chaud d'une pièce brute d'acier enduit |
TWI563101B (en) * | 2014-05-15 | 2016-12-21 | Nippon Steel & Sumitomo Metal Corp | Hot-formed steel sheet member |
CA2979923A1 (fr) * | 2015-03-16 | 2016-09-22 | Tata Steel Ijmuiden B.V. | Acier pour formage a chaud |
WO2017006144A1 (fr) | 2015-07-09 | 2017-01-12 | Arcelormittal | Acier pour trempe à la presse et pièce trempée à la presse fabriquée à partir d'un tel acier |
JP6606897B2 (ja) * | 2015-07-16 | 2019-11-20 | 日本製鉄株式会社 | 熱処理用鋼板およびその製造方法と、ホットスタンプ成形品 |
JP2018532045A (ja) | 2015-09-22 | 2018-11-01 | タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップTata Steel Ijmuiden Bv | 優れた伸びフランジ成形性を有するロール成形可能な高強度熱間圧延鋼板、および該鋼の製造方法 |
KR20170075046A (ko) * | 2015-12-22 | 2017-07-03 | 주식회사 포스코 | 내식성이 우수한 열간 프레스 성형품 및 그 제조방법 |
-
2018
- 2018-07-23 MX MX2020000928A patent/MX2020000928A/es unknown
- 2018-07-23 WO PCT/EP2018/069939 patent/WO2019020575A1/fr active Search and Examination
- 2018-07-23 JP JP2020503872A patent/JP7326247B2/ja active Active
- 2018-07-23 EP EP18740258.1A patent/EP3658692B1/fr active Active
- 2018-07-23 KR KR1020247031235A patent/KR20240142610A/ko unknown
- 2018-07-23 BR BR112020000917-2A patent/BR112020000917A2/pt not_active Application Discontinuation
- 2018-07-23 ES ES18740258T patent/ES2899238T3/es active Active
- 2018-07-23 KR KR1020207001858A patent/KR20200035259A/ko not_active IP Right Cessation
- 2018-07-23 US US16/633,198 patent/US20210156012A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2020528963A (ja) | 2020-10-01 |
JP7326247B2 (ja) | 2023-08-15 |
US20210156012A1 (en) | 2021-05-27 |
EP3658692A1 (fr) | 2020-06-03 |
BR112020000917A2 (pt) | 2020-07-21 |
KR20240142610A (ko) | 2024-09-30 |
WO2019020575A1 (fr) | 2019-01-31 |
EP3658692B1 (fr) | 2021-11-10 |
KR20200035259A (ko) | 2020-04-02 |
MX2020000928A (es) | 2020-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2876231T3 (es) | Producto conformado por prensado en caliente que tiene una capacidad de flexión superior y una resistencia ultra alta, y método para su fabricación | |
ES2729870T3 (es) | Lámina de acero laminada en frío y revestida por inmersión en caliente, procedimiento de producción y uso | |
ES2639231T3 (es) | Chapa de acero con muy altas características mecánicas de resistencia y de maleabilidad, procedimiento de fabricación y uso de estas chapas | |
ES2387229T3 (es) | Acero para la formación en caliente o al temple bajo herramienta, con ductilidad mejorada | |
CN104583424B (zh) | 钢、扁钢产品和扁钢产品的制造方法 | |
JP2020501017A (ja) | 熱間成形された物品の製造方法及び得られた物品 | |
WO2020002285A1 (fr) | Acier martensitique laminé à froid à haute résistance et haute aptitude au cintrage et son procédé de production | |
ES2899238T3 (es) | Tira, lámina o pieza en bruto de acero para producir una pieza conformada en caliente, pieza y método para conformar en caliente una pieza en bruto en una pieza | |
ES2978141T3 (es) | Lámina de acero laminada en frío y galvano-recocida de alta resistencia y procedimiento de fabricación de la misma | |
CA3081941C (fr) | Tole d'acier laminee a froid et revetue et son procede de fabrication | |
WO2020239891A1 (fr) | Bande, tôle ou ébauche en acier pour la fabrication d'une pièce estampée à chaud, et procédé d'estampage à chaud d'une ébauche pour former une pièce | |
KR20190052683A (ko) | 망간 함유 평탄 강으로 이루어지는 평탄 강 제품을 제조하는 방법 및 이러한 평탄 강 제품 | |
CA3141566A1 (fr) | Tole d'acier laminee a froid et revetue et son procede de fabrication | |
KR101166995B1 (ko) | 이상조직을 갖는 고강도 고성형성 용융아연도금강판 제조방법 | |
US20230002870A1 (en) | Method of hot press forming a steel article and steel article | |
ES2818195T5 (es) | Tira de acero galvanizado por inmersión en caliente de alta resistencia | |
CN110945148B (zh) | 用于制备热成形零件的钢带材、片材或坯料,零件,和用于将坯料热成形为零件的方法 | |
EP4308736A1 (fr) | Bande, feuille ou ébauche d'acier et procédé de production d'une pièce formée à chaud ou d'une pièce préformée traitée à chaud | |
BR112021003583B1 (pt) | Chapa de aço laminada a frio, método de produção de uma chapa de aço laminada a frio e uso de uma chapa de aço laminada a frio |