MA53640A - COLD ROLLED COATED STEEL SHEET AND METHOD OF MAKING IT - Google Patents

COLD ROLLED COATED STEEL SHEET AND METHOD OF MAKING IT

Info

Publication number: MA53640A
Authority: MA; Morocco
Prior art keywords: making; steel sheet; cold rolled; coated steel; rolled coated
Prior art date: 2018-09-20

Application number

MA053640A

Other languages

French (fr)

Other versions

MA53640B1 (en

Inventor

Samaneh Alibeigi

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.)

2018-09-20

Filing date

2019-09-17

Publication date

2022-03-30

2019-09-17 Application filed by Arcelormittal filed Critical Arcelormittal

2022-03-30 Publication of MA53640A publication Critical patent/MA53640A/en

2023-05-31 Publication of MA53640B1 publication Critical patent/MA53640B1/en

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
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
- 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
- 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
- C21D8/0221—Modifying the physical properties 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 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold 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 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
- C21D8/0247—Modifying the physical properties 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
- 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
- C22C38/02—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
- C22C38/06—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- 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
- C23C2/04—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
- 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
- C21D2211/002—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)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Heat Treatment Of Sheet Steel (AREA)

MA53640A 2018-09-20 2019-09-17 Cold rolled and coated steel sheet and method of making same MA53640B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
PCT/IB2018/057253 WO2020058748A1 (en)	2018-09-20	2018-09-20	Cold rolled and coated steel sheet and a method of manufacturing thereof
PCT/IB2019/057795 WO2020058829A1 (en)	2018-09-20	2019-09-17	Cold rolled and coated steel sheet and a method of manufacturing thereof

Publications (2)

Publication Number	Publication Date
MA53640A true MA53640A (en)	2022-03-30
MA53640B1 MA53640B1 (en)	2023-05-31

Family

ID=63794567

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MA53640A MA53640B1 (en)	2018-09-20	2019-09-17	Cold rolled and coated steel sheet and method of making same

Country Status (15)

Country	Link
US (1)	US20220033925A1 (en)
EP (1)	EP3853387B1 (en)
JP (1)	JP7422143B2 (en)
KR (1)	KR102647462B1 (en)
CN (1)	CN112689684B (en)
CA (1)	CA3110629C (en)
ES (1)	ES2946086T3 (en)
FI (1)	FI3853387T3 (en)
HU (1)	HUE062231T2 (en)
MA (1)	MA53640B1 (en)
MX (1)	MX2021003290A (en)
PL (1)	PL3853387T3 (en)
UA (1)	UA126725C2 (en)
WO (2)	WO2020058748A1 (en)
ZA (1)	ZA202101225B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2020065381A1 (en)	2018-09-28	2020-04-02	Arcelormittal	Hot rolled steel sheet and a method of manufacturing thereof
KR102379444B1 (en) *	2020-07-22	2022-03-28	주식회사 포스코	Steel sheet having excellent formability and strain hardening rate and method for manufacturing thereof
CN115181898B (en) *	2021-04-02	2023-10-13	宝山钢铁股份有限公司	1280 MPa-level low-carbon low-alloy Q & P steel and rapid heat treatment manufacturing method thereof
WO2022263887A1 (en) *	2021-06-16	2022-12-22	Arcelormittal	Method for producing a steel part and steel part
CN115323275B (en) *	2022-09-05	2023-07-04	东北大学	High-strength high-toughness rare earth warm-rolled low-carbon low-manganese TRIP steel and preparation method thereof

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2601581B2 (en) *	1991-09-03	1997-04-16	新日本製鐵株式会社	Manufacturing method of high strength composite structure cold rolled steel sheet with excellent workability
JP2860438B2 (en) *	1991-10-28	1999-02-24	新日本製鐵株式会社	Manufacturing method of high-strength thin steel sheet with extremely excellent workability
JP3569307B2 (en) *	1994-01-12	2004-09-22	新日本製鐵株式会社	High strength composite structure cold rolled steel sheet having excellent workability and a tensile strength of 45 to 65 kgf / mm2, and a method for producing the same
JP3596316B2 (en) *	1997-12-17	2004-12-02	住友金属工業株式会社	Manufacturing method of high tensile high ductility galvanized steel sheet
JP2002317249A (en) *	2001-04-18	2002-10-31	Nippon Steel Corp	Low yield ratio type high strength steel sheet excellent in ductility and method for producing the same
DE60224557D1 (en) *	2001-10-04	2008-02-21	Nippon Steel Corp	PULLABLE HIGH STRENGTH STEEL PLATE WITH OUTSTANDING FORMFIXING PROPERTY AND METHOD OF MANUFACTURING THEREOF
EP1767659A1 (en) *	2005-09-21	2007-03-28	ARCELOR France	Method of manufacturing multi phase microstructured steel piece
JP5124865B2 (en)	2007-07-24	2013-01-23	新日鐵住金株式会社	High tensile cold-rolled steel sheet and method for producing the same
JP4894863B2 (en)	2008-02-08	2012-03-14	Ｊｆｅスチール株式会社	High-strength hot-dip galvanized steel sheet excellent in workability and manufacturing method thereof
JP2009185370A (en)	2008-02-08	2009-08-20	Sumitomo Metal Ind Ltd	High-tensile hot-dip galvanized steel sheet and manufacturing method thereof
JP5549238B2 (en)	2010-01-22	2014-07-16	新日鐵住金株式会社	Cold rolled steel sheet and method for producing the same
WO2011093490A1 (en) *	2010-01-29	2011-08-04	新日本製鐵株式会社	Steel sheet and process for producing steel sheet
WO2012168564A1 (en) *	2011-06-07	2012-12-13	Arcelormittal Investigación Y Desarrollo Sl	Cold-rolled steel plate coated with zinc or a zinc alloy, method for manufacturing same, and use of such a steel plate
JP5177261B2 (en) *	2011-08-01	2013-04-03	新日鐵住金株式会社	Controlled rolling method of seamless steel pipe with excellent strength and low temperature toughness
KR101951081B1 (en)	2011-09-30	2019-02-21	신닛테츠스미킨 카부시키카이샤	Hot-dip galvanized steel sheet and process for producing same
CN108026601A (en)	2015-09-22	2018-05-11	现代制铁株式会社	Coated steel plate and its manufacture method
WO2017102982A1 (en) *	2015-12-15	2017-06-22	Tata Steel Ijmuiden B.V.	High strength hot dip galvanised steel strip
WO2017109538A1 (en) *	2015-12-21	2017-06-29	Arcelormittal	Method for producing a steel sheet having improved strength, ductility and formability
WO2017109540A1 (en) *	2015-12-21	2017-06-29	Arcelormittal	Method for producing a high strength steel sheet having improved ductility and formability, and obtained steel sheet
WO2017125773A1 (en) *	2016-01-18	2017-07-27	Arcelormittal	High strength steel sheet having excellent formability and a method of manufacturing the same
WO2018115936A1 (en) *	2016-12-21	2018-06-28	Arcelormittal	Tempered and coated steel sheet having excellent formability and a method of manufacturing the same
WO2018115935A1 (en) *	2016-12-21	2018-06-28	Arcelormittal	Tempered and coated steel sheet having excellent formability and a method of manufacturing the same

2018
- 2018-09-20 WO PCT/IB2018/057253 patent/WO2020058748A1/en not_active Ceased
2019
- 2019-09-17 ES ES19772880T patent/ES2946086T3/en active Active
- 2019-09-17 CA CA3110629A patent/CA3110629C/en active Active
- 2019-09-17 HU HUE19772880A patent/HUE062231T2/en unknown
- 2019-09-17 US US17/276,240 patent/US20220033925A1/en active Pending
- 2019-09-17 UA UAA202102067A patent/UA126725C2/en unknown
- 2019-09-17 KR KR1020217011078A patent/KR102647462B1/en active Active
- 2019-09-17 EP EP19772880.1A patent/EP3853387B1/en active Active
- 2019-09-17 PL PL19772880.1T patent/PL3853387T3/en unknown
- 2019-09-17 MA MA53640A patent/MA53640B1/en unknown
- 2019-09-17 WO PCT/IB2019/057795 patent/WO2020058829A1/en not_active Ceased
- 2019-09-17 FI FIEP19772880.1T patent/FI3853387T3/en active
- 2019-09-17 MX MX2021003290A patent/MX2021003290A/en unknown
- 2019-09-17 JP JP2021515544A patent/JP7422143B2/en active Active
- 2019-09-17 CN CN201980059157.2A patent/CN112689684B/en active Active
2021
- 2021-02-23 ZA ZA2021/01225A patent/ZA202101225B/en unknown

Also Published As

Publication number	Publication date
CA3110629A1 (en)	2020-03-26
KR20210061382A (en)	2021-05-27
JP2022501504A (en)	2022-01-06
MA53640B1 (en)	2023-05-31
KR102647462B1 (en)	2024-03-13
JP7422143B2 (en)	2024-01-25
EP3853387A1 (en)	2021-07-28
CN112689684A (en)	2021-04-20
EP3853387B1 (en)	2023-05-10
BR112021003583A2 (en)	2021-05-18
UA126725C2 (en)	2023-01-11
HUE062231T2 (en)	2023-10-28
US20220033925A1 (en)	2022-02-03
PL3853387T3 (en)	2023-07-10
WO2020058748A1 (en)	2020-03-26
WO2020058829A1 (en)	2020-03-26
MX2021003290A (en)	2021-05-13
ZA202101225B (en)	2022-01-26
FI3853387T3 (en)	2023-06-15
CA3110629C (en)	2023-03-14
CN112689684B (en)	2022-12-09
ES2946086T3 (en)	2023-07-12

Publication	Publication Date	Title
MA54523A (en)	2022-03-30	HEAT TREATED COLD ROLLED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
MA53640A (en)	2022-03-30	COLD ROLLED COATED STEEL SHEET AND METHOD OF MAKING IT
MA55949A (en)	2022-03-23	COLD ROLLED MARTENSITIC STEEL AND METHOD OF MAKING MARTENSITIC STEEL THEREOF
EP4043595A4 (en)	2022-08-17	COLD ROLLED STEEL SHEET AND METHOD OF MAKING IT
MA51001A (en)	2021-03-17	ANCHORED COLD ROLLED STEEL SHEET AND ITS MANUFACTURING PROCESS
MA50556A (en)	2020-09-16	COLD ROLLED SHEET AND ITS MANUFACTURING PROCESS
MA51269A (en)	2021-03-31	COLD ROLLED AND COATED STEEL SHEET AND ITS MANUFACTURING PROCESS
MA50558A (en)	2020-09-16	HEAT-TREATED COLD-ROLLED STEEL SHEET AND ITS MANUFACTURING PROCESS
MA50999A (en)	2021-03-17	COLD ROLLED AND ANNUAL STEEL SHEET AND ITS MANUFACTURING PROCESS
MA56172A (en)	2022-04-20	COLD ROLLED MARTENSITIC STEEL AND METHOD OF MAKING MARTENSITIC STEEL THEREOF
EP3650569A4 (en)	2021-03-24	HOT ROLLED STEEL SHEET AND ITS MANUFACTURING PROCESS
EP3584337A4 (en)	2019-12-25	HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
MA51270A (en)	2021-03-31	COLD-ROLLED AND HEAT-TREATED STEEL SHEET AND ITS MANUFACTURING PROCESS
EP4043596A4 (en)	2022-08-17	STEEL SHEET AND METHOD OF MANUFACTURING IT
EP3778974A4 (en)	2021-02-17	HIGH STRENGTH STEEL SHEET AND ITS MANUFACTURING PROCESS
MA47018A (en)	2019-10-23	HIGH STRENGTH AND HIGH FORMABILITY STEEL SHEET HEAT TREATED AND COLD ROLLED AS WELL AS ITS MANUFACTURING PROCESS
MA53708A (en)	2022-01-05	HOT ROLLED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
EP3922739A4 (en)	2022-08-10	HOT-DIP GALVANIZED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF
EP3476963A4 (en)	2019-06-19	HIGH STRENGTH COLD LAMINATED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
EP3875623A4 (en)	2021-09-29	HIGH STRENGTH STEEL SHEET AND ITS MANUFACTURING PROCESS
EP3647450A4 (en)	2020-05-06	HOT PRESSED ELEMENT AND MANUFACTURING METHOD THEREOF AND COLD-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
EP3954792A4 (en)	2023-07-19	STEEL SHEET AND ITS PRODUCTION METHOD
EP3851216A4 (en)	2021-07-21	PROCESS FOR THE PRODUCTION OF AN ULTRA-THIN HOT-ROLLED STEEL STRIP
EP4303328A4 (en)	2024-08-07	HIGH STRENGTH COLD ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
MA56012A (en)	2022-04-06	COLD ROLLED COATED STEEL SHEET AND METHOD OF MAKING IT