MA54506A - Acier laminé à chaud et son procédé de fabrication - Google Patents

Acier laminé à chaud et son procédé de fabrication

Info

Publication number: MA54506A
Authority: MA; Morocco
Prior art keywords: manufacturing; rolled steel; hot rolled; hot; steel
Prior art date: 2018-12-17

Application number

MA054506A

Other languages

English (en)

Other versions

MA54506B1 (fr

Inventor

Lode Duprez

Sanchez Laura Moli

Steenberge Nele Van

Tom Waterschoot

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.)

2018-12-17

Filing date

2019-12-11

Publication date

2022-03-23

2019-12-11 Application filed by Arcelormittal filed Critical Arcelormittal

2022-03-23 Publication of MA54506A publication Critical patent/MA54506A/fr

2025-04-30 Publication of MA54506B1 publication Critical patent/MA54506B1/fr

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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
- 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
- C21D6/001—Heat treatment of ferrous alloys containing 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
- C21D6/007—Heat treatment of ferrous alloys containing Co
- 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
- 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
- C21D8/0221—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 characterised by the working steps
- C21D8/0226—Hot rolling
- 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
- C21D8/0247—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 characterised by the heat treatment
- C21D8/0263—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 characterised by the heat treatment following hot rolling
- 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
- C21D8/0247—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 characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- 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
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- 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
- C21D2211/001—Austenite
- 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
- C21D2211/004—Dispersions; Precipitations
- 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)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Heat Treatment Of Steel (AREA)
Heat Treatment Of Sheet Steel (AREA)

MA54506A 2018-12-17 2019-12-11 Acier laminé à chaud et son procédé de fabrication MA54506B1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
PCT/IB2018/060185 WO2020128568A1 (fr)	2018-12-17	2018-12-17	Acier laminé à chaud et son procédé de fabrication
PCT/IB2019/060647 WO2020128725A1 (fr)	2018-12-17	2019-12-11	Acier laminé à chaud et son procédé de fabrication
EP19821210.2A EP3899062B1 (fr)	2018-12-17	2019-12-11	Acier laminé à chaud et son procédé de fabrication

Publications (2)

Publication Number	Publication Date
MA54506A true MA54506A (fr)	2022-03-23
MA54506B1 MA54506B1 (fr)	2025-04-30

Family

ID=65409110

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MA54506A MA54506B1 (fr)	2018-12-17	2019-12-11	Acier laminé à chaud et son procédé de fabrication

Country Status (23)

Country	Link
US (2)	US12123081B2 (fr)
EP (1)	EP3899062B1 (fr)
JP (3)	JP2022513973A (fr)
KR (1)	KR102634503B1 (fr)
CN (1)	CN113166827A (fr)
BR (1)	BR112021010529B1 (fr)
CA (1)	CA3121604C (fr)
DK (1)	DK3899062T3 (fr)
ES (1)	ES3019383T3 (fr)
FI (1)	FI3899062T3 (fr)
HR (1)	HRP20250393T1 (fr)
HU (1)	HUE070755T2 (fr)
LT (1)	LT3899062T (fr)
MA (1)	MA54506B1 (fr)
MX (1)	MX2021007122A (fr)
PL (1)	PL3899062T3 (fr)
PT (1)	PT3899062T (fr)
RS (1)	RS66749B1 (fr)
SI (1)	SI3899062T1 (fr)
SM (1)	SMT202500163T1 (fr)
UA (1)	UA127398C2 (fr)
WO (2)	WO2020128568A1 (fr)
ZA (1)	ZA202103681B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113549842A (zh) *	2021-06-21	2021-10-26	首钢集团有限公司	一种高强度防弹头盔壳及其制备方法
CN113751679B (zh) *	2021-09-09	2022-10-28	中南大学	一种无钴马氏体时效钢冷轧薄带的制造方法
CN114369769B (zh) *	2021-11-30	2022-10-11	中国科学院金属研究所	一种超高强高韧贝氏体时效钢及其热处理工艺
JP2025523380A (ja) *	2022-07-12	2025-07-23	アルセロールミタル	熱間圧延鋼及びその製造方法
CN117758161B (zh) *	2023-12-15	2025-10-24	东北大学	一种双峰异质结构的马氏体时效钢及其制备方法
CN121046743B (zh) *	2025-10-28	2026-01-06	嘉兴精科科技有限公司	一种注射成型用高强耐蚀马氏体时效钢粉末及利用其制备的高强耐蚀马氏体时效钢

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3453102A (en)	1966-03-08	1969-07-01	Int Nickel Co	High strength,ductile maraging steel
GB1142555A (en)	1966-08-25	1969-02-12	Int Nickel Ltd	Nickel-cobalt steels
JPS5122616A (en)	1974-08-21	1976-02-23	Hitachi Ltd	Nitsukeru marueejingukokeihankoshitsujiseizairyono seiho
JPS5621051B2 (fr)	1975-02-21	1981-05-16
JPS51117915A (en)	1975-04-11	1976-10-16	Hitachi Ltd	High strength and high toughness maraging steel type semi-hard magneti c material
JPS5323818A (en)	1976-08-18	1978-03-04	Hitachi Ltd	Production of rotor material for high speed hysteresis motors
JPS5629623A (en) *	1979-08-14	1981-03-25	Mitsubishi Heavy Ind Ltd	Processing and heat treatment of steel
JPS60234920A (ja) *	1984-05-04	1985-11-21	Nippon Kokan Kk <Nkk>	超高張力マルエ−ジング冷延鋼板の製造方法
US4832909A (en)	1986-12-22	1989-05-23	Carpenter Technology Corporation	Low cobalt-containing maraging steel with improved toughness
JPH07216510A (ja)	1994-02-04	1995-08-15	Hitachi Metals Ltd	高強度リードフレーム材料およびその製造方法
EP1111080B1 (fr)	1999-12-24	2007-03-07	Hitachi Metals, Ltd.	Acier maraging à haute résistance à la fatigue et bandes en cet acier maraging
JP4213503B2 (ja) *	2003-04-15	2009-01-21	本田技研工業株式会社	マルエージング鋼の熱処理方法
US20100037994A1 (en)	2008-08-14	2010-02-18	Gopal Das	Method of processing maraging steel
CN101736140A (zh)	2008-11-14	2010-06-16	沈阳科金特种材料有限公司	一种马氏体时效钢板材冲压成型的方法
JP6653113B2 (ja)	2013-08-23	2020-02-26	大同特殊鋼株式会社	疲労特性に優れたマルエージング鋼
CN105331890B (zh) *	2015-11-23	2017-07-28	南京钢铁股份有限公司	一种在线淬火生产高韧性5Ni钢中厚板的方法

2018
- 2018-12-17 WO PCT/IB2018/060185 patent/WO2020128568A1/fr not_active Ceased
2019
- 2019-12-11 SM SM20250163T patent/SMT202500163T1/it unknown
- 2019-12-11 PL PL19821210.2T patent/PL3899062T3/pl unknown
- 2019-12-11 BR BR112021010529-8A patent/BR112021010529B1/pt active IP Right Grant
- 2019-12-11 HR HRP20250393TT patent/HRP20250393T1/hr unknown
- 2019-12-11 FI FIEP19821210.2T patent/FI3899062T3/fi active
- 2019-12-11 RS RS20250363A patent/RS66749B1/sr unknown
- 2019-12-11 MX MX2021007122A patent/MX2021007122A/es unknown
- 2019-12-11 CN CN201980082773.XA patent/CN113166827A/zh active Pending
- 2019-12-11 KR KR1020217018089A patent/KR102634503B1/ko active Active
- 2019-12-11 SI SI201930916T patent/SI3899062T1/sl unknown
- 2019-12-11 LT LTEPPCT/IB2019/060647T patent/LT3899062T/lt unknown
- 2019-12-11 UA UAA202104141A patent/UA127398C2/uk unknown
- 2019-12-11 MA MA54506A patent/MA54506B1/fr unknown
- 2019-12-11 EP EP19821210.2A patent/EP3899062B1/fr active Active
- 2019-12-11 HU HUE19821210A patent/HUE070755T2/hu unknown
- 2019-12-11 JP JP2021534717A patent/JP2022513973A/ja active Pending
- 2019-12-11 WO PCT/IB2019/060647 patent/WO2020128725A1/fr not_active Ceased
- 2019-12-11 PT PT198212102T patent/PT3899062T/pt unknown
- 2019-12-11 US US17/413,638 patent/US12123081B2/en active Active
- 2019-12-11 CA CA3121604A patent/CA3121604C/fr active Active
- 2019-12-11 DK DK19821210.2T patent/DK3899062T3/da active
- 2019-12-11 ES ES19821210T patent/ES3019383T3/es active Active
2021
- 2021-05-28 ZA ZA2021/03681A patent/ZA202103681B/en unknown
2023
- 2023-09-29 JP JP2023169388A patent/JP2023182698A/ja active Pending
2024
- 2024-09-24 US US18/894,718 patent/US20250011906A1/en active Pending
2025
- 2025-11-28 JP JP2025207855A patent/JP2026032202A/ja active Pending

Also Published As

Publication number	Publication date
CN113166827A (zh)	2021-07-23
BR112021010529B1 (pt)	2024-01-23
JP2026032202A (ja)	2026-02-25
CA3121604A1 (fr)	2020-06-25
US20220074029A1 (en)	2022-03-10
JP2022513973A (ja)	2022-02-09
US12123081B2 (en)	2024-10-22
KR102634503B1 (ko)	2024-02-07
MA54506B1 (fr)	2025-04-30
UA127398C2 (uk)	2023-08-09
PT3899062T (pt)	2025-04-11
MX2021007122A (es)	2021-08-11
CA3121604C (fr)	2023-08-15
SI3899062T1 (sl)	2025-05-30
WO2020128568A1 (fr)	2020-06-25
EP3899062B1 (fr)	2025-01-29
DK3899062T3 (da)	2025-03-31
EP3899062A1 (fr)	2021-10-27
BR112021010529A2 (pt)	2021-08-24
KR20210091774A (ko)	2021-07-22
SMT202500163T1 (it)	2025-05-12
RS66749B1 (sr)	2025-05-30
PL3899062T3 (pl)	2025-06-09
US20250011906A1 (en)	2025-01-09
ES3019383T3 (en)	2025-05-20
LT3899062T (lt)	2025-04-25
HUE070755T2 (hu)	2025-07-28
JP2023182698A (ja)	2023-12-26
FI3899062T3 (fi)	2025-04-10
HRP20250393T1 (hr)	2025-05-09
ZA202103681B (en)	2022-04-28
WO2020128725A1 (fr)	2020-06-25

Publication	Publication Date	Title
EP3650569A4 (fr)	2021-03-24	Tôle d'acier laminée à chaud et son procédé de fabrication
MA54506A (fr)	2022-03-23	Acier laminé à chaud et son procédé de fabrication
EP3868904A4 (fr)	2022-05-11	Tôle d'acier laminée à chaud et son procédé de fabrication
EP3831972A4 (fr)	2021-06-09	Tôle d'acier laminée à chaud à haute résistance et son procédé de fabrication
MA53708A (fr)	2022-01-05	Tôle d'acier laminée à chaud et son procédé de fabrication
EP3584337A4 (fr)	2019-12-25	Tôle d'acier laminée à chaud de haute résistance et son procédé de fabrication
EP3778974A4 (fr)	2021-02-17	Tôle d'acier à haute résistance et son procédé de fabrication
EP3476968A4 (fr)	2019-12-25	Acier trempé à chaud de faible densité et son procédé de fabrication
EP4015667A4 (fr)	2022-09-14	Acier pour palier à roulement à billes et son procédé de fabrication
EP3875623A4 (fr)	2021-09-29	Tôle d'acier à haute résistance et son procédé de fabrication
EP3000905A4 (fr)	2016-11-02	Tôle d'acier laminée à chaud et son procédé de fabrication
EP2949772A4 (fr)	2016-06-01	Tôle d'acier laminée à chaud et son procédé de fabrication
EP3584342A4 (fr)	2020-01-22	Tôle d'acier haute résistance et son procédé de fabrication
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