Pearlite

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CPC
C21D2211/009

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CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS C21D2211/00Microstructure comprising significant phases

Current Industry

C21D2211/009Pearlite

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Rail and manufacturing method therefor
- Patent number 12,312,645
- Issue date May 27, 2025
- JFE Steel Corporation
- Kenji Okushiro
- C21 - METALLURGY OF IRON
Information Patent Grant
Plated steel sheet having excellent strength, formability and surfa...
- Patent number 12,305,287
- Issue date May 20, 2025
- POSCO Co., Ltd
- Yong-Hoon Choi
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet for hot press and aluminum coated blank manufactured us...
- Patent number 12,297,516
- Issue date May 13, 2025
- Hyundai Steel Company
- Je Woo Soo Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
High-carbon hot-rolled steel sheet and method for manufacturing the...
- Patent number 12,286,681
- Issue date Apr 29, 2025
- JFE Steel Corporation
- Yuka Miyamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Wire rod of which softening heat treatment can be omitted, and manu...
- Patent number 12,281,368
- Issue date Apr 22, 2025
- POSCO CO., LTD
- Jae-Seung Lee
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot dip galvanized steel sheet and method for producing same
- Patent number 12,281,392
- Issue date Apr 22, 2025
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel shaft component
- Patent number 12,276,005
- Issue date Apr 15, 2025
- Nippon Steel Corporation
- Kison Nishihara
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet and method for manufacturing same
- Patent number 12,264,374
- Issue date Apr 1, 2025
- Nippon Steel Corporation
- Daisuke Ito
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel wire rod having excellent spheroidizing heat treatment proper...
- Patent number 12,264,379
- Issue date Apr 1, 2025
- Posco
- Sang-Yoon Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength galvanized steel sheet and method for manufacturing t...
- Patent number 12,258,644
- Issue date Mar 25, 2025
- JFE Steel Corporation
- Hiroshi Hasegawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-rolled steel sheet having excellent impact resistance, steel pi...
- Patent number 12,258,657
- Issue date Mar 25, 2025
- POSCO Co., Ltd
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet and production method for same
- Patent number 12,252,758
- Issue date Mar 18, 2025
- Nippon Steel Corporation
- Hiroyuki Kawata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rail
- Patent number 12,247,358
- Issue date Mar 11, 2025
- Nippon Steel Corporation
- Masaharu Ueda
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet and method for producing same
- Patent number 12,247,263
- Issue date Mar 11, 2025
- Nippon Steel Corporation
- Kohichi Sano
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength hot-rolled plated steel sheet, and method for produci...
- Patent number 12,241,134
- Issue date Mar 4, 2025
- POSCO Co., Ltd
- Kyong Su Park
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire rod enabling omission of softening heat treatment and me...
- Patent number 12,227,824
- Issue date Feb 18, 2025
- POSCO Co., Ltd
- Jae-Seung Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
Carbide-free tempered martensitic steels and preparation methods th...
- Patent number 12,215,404
- Issue date Feb 4, 2025
- BEIJING INSTITUTE OF TECHNOLOGY
- Zhiping Xiong
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet for a structure with excellent seawater corrosion resis...
- Patent number 12,188,104
- Issue date Jan 7, 2025
- Posco
- Jin-Ho Park
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet and method for producing same
- Patent number 12,173,380
- Issue date Dec 24, 2024
- Nippon Steel Corporation
- Eriko Tsukamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High strength steel sheet having excellent high-temperature elongat...
- Patent number 12,134,809
- Issue date Nov 5, 2024
- POSCO Co., Ltd
- Je-Woong Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength hot rolled steel sheet having excellent elongation an...
- Patent number 12,134,801
- Issue date Nov 5, 2024
- POSCO Co., Ltd
- Jin-Ho Bae
- C21 - METALLURGY OF IRON
Information Patent Grant
Gradient steel material having surface layer with ferrite and inner...
- Patent number 12,129,526
- Issue date Oct 29, 2024
- Baoshan Iron & Steel Co., Ltd.
- Suoquan Zhang
- C21 - METALLURGY OF IRON
Information Patent Grant
Manufacturing process of press hardened parts with high productivity
- Patent number 12,110,572
- Issue date Oct 8, 2024
- Arcelormittal
- Alexandre Blaise
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet and method for producing same
- Patent number 12,098,440
- Issue date Sep 24, 2024
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Galvannealed steel sheet coated with an iron and nickel layer toppe...
- Patent number 12,091,724
- Issue date Sep 17, 2024
- Arcelormittal
- Anirban Chakraborty
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hot-press molding method and hot-press molded product
- Patent number 12,091,726
- Issue date Sep 17, 2024
- Toyota Jidosha Kabushiki Kaisha
- Eiichi Ota
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel sheet
- Patent number 12,084,739
- Issue date Sep 10, 2024
- Kobe Steel, Ltd.
- Toshio Murakami
- C21 - METALLURGY OF IRON
Information Patent Grant
Gradient-structured ultra-fine bainitic low-alloy rail steel and pr...
- Patent number 12,084,737
- Issue date Sep 10, 2024
- Yanshan University
- Zhinan Yang
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet
- Patent number 12,077,832
- Issue date Sep 3, 2024
- Nippon Steel Corporation
- Yuya Suzuki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
- Patent number 12,049,678
- Issue date Jul 30, 2024
- POSCO Co., Ltd
- Seong-Woo Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
STEEL MATERIAL FOR HOT FORMING, HOT FORMED PART, AND METHOD FOR MAN...
- Publication number 20250137086
- Publication date May 1, 2025
- POSCO CO., LTD
- Sea-Woong Lee
- C21 - METALLURGY OF IRON
Information Patent Application
ULTRA-HIGH-STRENGTH REINFORCING BAR AND MANUFACTURING METHOD THEREOF
- Publication number 20250129446
- Publication date Apr 24, 2025
- HYUNDAI STEEL COMPANY
- Jun Ho Chung
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20250109467
- Publication date Apr 3, 2025
- NIPPON STEEL CORPORATION
- Daisuke ITO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH PIPE RESISTANT TO SODIUM HYDROXIDE CORROSION AND MANU...
- Publication number 20250101558
- Publication date Mar 27, 2025
- Baoshan Iron & Steel Co., Ltd
- Bo YAN
- B32 - LAYERED PRODUCTS
Information Patent Application
ELECTRIC RESISTANCE WELDED STEEL PIPE FOR AN AUTOMOTIVE PART, AND M...
- Publication number 20250101554
- Publication date Mar 27, 2025
- Nippon Steel Corporation
- Yuki MOTEGI
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL REINFORCEMENT AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20250084516
- Publication date Mar 13, 2025
- HYUNDAI STEEL COMPANY
- Jun Ho Chung
- C21 - METALLURGY OF IRON
Information Patent Application
OZONE CORROSION RESISTANT HIGH-STRENGTH TUBE AND MANUFACTURING METH...
- Publication number 20250066890
- Publication date Feb 27, 2025
- Baoshan Iron & Steel Co., Ltd
- Bo YAN
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET FOR HOT-STAMPING, METHOD FOR MANUFACTURING STEEL SHEET...
- Publication number 20250066887
- Publication date Feb 27, 2025
- NIPPON STEEL CORPORATION
- Masafumi AZUMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
GREY CAST IRON, IN PARTICULAR FOR DISC BRAKE COMPONENTS
- Publication number 20250059634
- Publication date Feb 20, 2025
- Brembo S.p.A.
- Bozena DUDZIK
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL FOR HYPER TUBE AND MANUFACTURING METHOD THEREFOR
- Publication number 20250051892
- Publication date Feb 13, 2025
- POSCO Co., Ltd
- Hong-Seok YANG
- C21 - METALLURGY OF IRON
Information Patent Application
METHODS FOR MANUFACTURING WIRE ROD FOR COLD FORGING AND SCREW PART,...
- Publication number 20250043376
- Publication date Feb 6, 2025
- POSCO CO., LTD.
- Byungin JUNG
- C21 - METALLURGY OF IRON
Information Patent Application
CARBIDE-FREE TEMPERED MARTENSITIC STEELS AND PREPARATION METHODS TH...
- Publication number 20250043377
- Publication date Feb 6, 2025
- Beijing Institute of Technology
- Zhiping XIONG
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL WITH EXCELLENT NEUTRAL AQUEOUS MEDIUM CORROSION...
- Publication number 20250043378
- Publication date Feb 6, 2025
- WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Kaiming WU
- C21 - METALLURGY OF IRON
Information Patent Application
GRAPHITE STEEL WIRE ROD AND GRAPHITE STEEL FOR TV PEM NUT PARTS, ME...
- Publication number 20250034672
- Publication date Jan 30, 2025
- POSCO Co., Ltd
- Sangwoo CHOI
- C21 - METALLURGY OF IRON
Information Patent Application
COMPONENT MADE OF B-ZR ALLOYED STEEL
- Publication number 20250019811
- Publication date Jan 16, 2025
- KAMAX Holding GmbH & Co. KG
- Ali Solimani
- C21 - METALLURGY OF IRON
Information Patent Application
CALCIUM-CONTAINING GRAPHITE STEEL HAVING EXCELLENT MACHINABILITY, A...
- Publication number 20250019790
- Publication date Jan 16, 2025
- POSCO Co., Ltd
- Sangwoo CHOI
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20250019808
- Publication date Jan 16, 2025
- NIPPON STEEL CORPORATION
- Mutsumi SAKAKIBARA
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL PIPE FOR OIL CYLINDER AND MANUFACTURING METHOD THEREFOR
- Publication number 20250012382
- Publication date Jan 9, 2025
- Baoshan Iron & Steel Co., Ltd
- Wen Sun
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL FOR ENAMELING HAVING ENAMELING AND FIRING STRENGTH...
- Publication number 20250003040
- Publication date Jan 2, 2025
- Baoshan Iron & Steel Co., Ltd
- Shuangcheng WANG
- C21 - METALLURGY OF IRON
Information Patent Application
NON-STAMPED PREALLOYED STEEL COIL, SHEET OR BLANK, PRESS HARDENED C...
- Publication number 20250003023
- Publication date Jan 2, 2025
- ARCELORMITTAL
- Alexandre BLAISE
- C21 - METALLURGY OF IRON
Information Patent Application
ALLOYED STEEL
- Publication number 20240417831
- Publication date Dec 19, 2024
- VANTAGE ALLOYS AG
- Aaron John MIDDLETON
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET FOR HYPER TUBE AND MANUFACTURING METHOD THER...
- Publication number 20240383506
- Publication date Nov 21, 2024
- POSCO Co., Ltd
- Hong-Seok YANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STEEL SHEET FOR HOT PRESSING AND METHOD FOR PRODUCING THE SAME, AND...
- Publication number 20240376578
- Publication date Nov 14, 2024
- JFE STEEL CORPORATION
- Kazuhiko Yamazaki
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL HAVING EXCELLENT HYDROGEN-INDUCED CRACKING RESISTANCE AND LOW...
- Publication number 20240360533
- Publication date Oct 31, 2024
- POSCO Co., Ltd
- Tae-Il SO
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL MATERIAL HAVING HIGH STRENGTH AND EXCELLENT IMPACT TOUGHNESS,...
- Publication number 20240352563
- Publication date Oct 24, 2024
- POSCO Co., Ltd
- Tae-Il SO
- C21 - METALLURGY OF IRON
Information Patent Application
PLASTIC MOLD STEEL PLATE AND METHOD FOR PRODUCING SAME
- Publication number 20240336988
- Publication date Oct 10, 2024
- JIANGSU SHAGANG GROUP CO., LTD.
- Jinbo QU
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL HAVING HIGH YIELD RATIO AND EXCELLENT DURABILIT...
- Publication number 20240337003
- Publication date Oct 10, 2024
- Posco
- Sung-Il Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for Producing a Cold-Rolled Flat Steel Product Having a Bain...
- Publication number 20240337000
- Publication date Oct 10, 2024
- ThyssenKrupp Steel Europe AG
- Bernd Linke
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20240327965
- Publication date Oct 3, 2024
- NIPPON STEEL CORPORATION
- Taku MIYAKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT DIP GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20240327962
- Publication date Oct 3, 2024
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- C21 - METALLURGY OF IRON

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Rail and manufacturing method therefor

Plated steel sheet having excellent strength, formability and surfa...

Steel sheet for hot press and aluminum coated blank manufactured us...

High-carbon hot-rolled steel sheet and method for manufacturing the...

Wire rod of which softening heat treatment can be omitted, and manu...

Hot dip galvanized steel sheet and method for producing same

Steel shaft component

Hot-rolled steel sheet and method for manufacturing same

Steel wire rod having excellent spheroidizing heat treatment proper...

High-strength galvanized steel sheet and method for manufacturing t...

Hot-rolled steel sheet having excellent impact resistance, steel pi...

Steel sheet and production method for same

Rail

Steel sheet and method for producing same

High-strength hot-rolled plated steel sheet, and method for produci...

Steel wire rod enabling omission of softening heat treatment and me...

Carbide-free tempered martensitic steels and preparation methods th...

Steel sheet for a structure with excellent seawater corrosion resis...

Steel sheet and method for producing same

High strength steel sheet having excellent high-temperature elongat...

High strength hot rolled steel sheet having excellent elongation an...

Gradient steel material having surface layer with ferrite and inner...

Manufacturing process of press hardened parts with high productivity

Steel sheet and method for producing same

Galvannealed steel sheet coated with an iron and nickel layer toppe...

Hot-press molding method and hot-press molded product

Steel sheet

Gradient-structured ultra-fine bainitic low-alloy rail steel and pr...

Steel sheet

Plated steel sheet for hot press forming having excellent impact pr...

Patents Applicationslast 30 patents

STEEL MATERIAL FOR HOT FORMING, HOT FORMED PART, AND METHOD FOR MAN...

ULTRA-HIGH-STRENGTH REINFORCING BAR AND MANUFACTURING METHOD THEREOF

HOT-ROLLED STEEL SHEET

HIGH-STRENGTH PIPE RESISTANT TO SODIUM HYDROXIDE CORROSION AND MANU...

ELECTRIC RESISTANCE WELDED STEEL PIPE FOR AN AUTOMOTIVE PART, AND M...

STEEL REINFORCEMENT AND METHOD FOR MANUFACTURING THE SAME

OZONE CORROSION RESISTANT HIGH-STRENGTH TUBE AND MANUFACTURING METH...

STEEL SHEET FOR HOT-STAMPING, METHOD FOR MANUFACTURING STEEL SHEET...

GREY CAST IRON, IN PARTICULAR FOR DISC BRAKE COMPONENTS

HOT-ROLLED STEEL FOR HYPER TUBE AND MANUFACTURING METHOD THEREFOR

METHODS FOR MANUFACTURING WIRE ROD FOR COLD FORGING AND SCREW PART,...

CARBIDE-FREE TEMPERED MARTENSITIC STEELS AND PREPARATION METHODS TH...

HIGH-STRENGTH STEEL WITH EXCELLENT NEUTRAL AQUEOUS MEDIUM CORROSION...

GRAPHITE STEEL WIRE ROD AND GRAPHITE STEEL FOR TV PEM NUT PARTS, ME...

COMPONENT MADE OF B-ZR ALLOYED STEEL

CALCIUM-CONTAINING GRAPHITE STEEL HAVING EXCELLENT MACHINABILITY, A...

HOT-ROLLED STEEL SHEET

STEEL PIPE FOR OIL CYLINDER AND MANUFACTURING METHOD THEREFOR

HOT-ROLLED STEEL FOR ENAMELING HAVING ENAMELING AND FIRING STRENGTH...

NON-STAMPED PREALLOYED STEEL COIL, SHEET OR BLANK, PRESS HARDENED C...

ALLOYED STEEL

HOT-ROLLED STEEL SHEET FOR HYPER TUBE AND MANUFACTURING METHOD THER...

STEEL SHEET FOR HOT PRESSING AND METHOD FOR PRODUCING THE SAME, AND...

STEEL HAVING EXCELLENT HYDROGEN-INDUCED CRACKING RESISTANCE AND LOW...

STEEL MATERIAL HAVING HIGH STRENGTH AND EXCELLENT IMPACT TOUGHNESS,...

PLASTIC MOLD STEEL PLATE AND METHOD FOR PRODUCING SAME

HIGH-STRENGTH STEEL HAVING HIGH YIELD RATIO AND EXCELLENT DURABILIT...

Method for Producing a Cold-Rolled Flat Steel Product Having a Bain...

STEEL SHEET AND METHOD FOR PRODUCING SAME

HOT DIP GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME