Pearlite

Industry

CPC
C21D2211/009

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Parent Industries

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

Patents Grantslast 30 patents

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...
Information Patent Grant
Railway wheel
- Patent number 12,049,102
- Issue date Jul 30, 2024
- Nippon Steel Corporation
- Taketo Maejima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High-strength steel having high yield ratio and excellent durabilit...
- Patent number 12,049,687
- Issue date Jul 30, 2024
- Posco
- Sung-Il Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot dip galvanized steel sheet and method for producing same
- Patent number 12,006,562
- Issue date Jun 11, 2024
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet
- Patent number 11,970,752
- Issue date Apr 30, 2024
- Nippon Steel Corporation
- Kengo Takeda
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled steel sheet
- Patent number 11,970,758
- Issue date Apr 30, 2024
- Nippon Steel Corporation
- Hiroshi Shuto
- C21 - METALLURGY OF IRON
Information Patent Grant
Spheroidal graphite cast iron and method of producing spheroidal gr...
- Patent number 11,946,109
- Issue date Apr 2, 2024
- KABUSHIKI KAISHA RIKEN
- Tomoyuki Tobita
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for controlling amount of silicon added to ductile cast iron...
- Patent number 11,946,120
- Issue date Apr 2, 2024
- TIANRUN INDUSTRY TECHNOLOGY CO., LTD.
- Jianchen Cong
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing hot-rolled steel sheet, method for producing c...
- Patent number 11,939,640
- Issue date Mar 26, 2024
- JFE Steel Corporation
- Katsutoshi Takashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...
- Patent number 11,939,639
- Issue date Mar 26, 2024
- POSCO Co., Ltd
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Grant
Wire rod for cold heading, processed product using same, and manufa...
- Patent number 11,905,571
- Issue date Feb 20, 2024
- POSCO Co., Ltd
- Byung-In Jung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot dip galvanized steel sheet and method for producing same
- Patent number 11,905,570
- Issue date Feb 20, 2024
- Nippon Steel Corporation
- Takafumi Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing steel plate member
- Patent number 11,898,217
- Issue date Feb 13, 2024
- Toyota Jidosha Kabushiki Kaisha
- Shoji Kawano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Spring steel wire
- Patent number 11,892,048
- Issue date Feb 6, 2024
- Sumitomo Electric Industries, Ltd.
- Hiromu Izumida
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength multiphase tinned steel raw plate and manufacturing m...
- Patent number 11,891,674
- Issue date Feb 6, 2024
- Baoshan Iron & Steel Co., Ltd.
- Fuliang Lian
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for optimizing microstructure of rail welded joint
- Patent number 11,866,801
- Issue date Jan 9, 2024
- PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
- Xin Lu
- C21 - METALLURGY OF IRON
Information Patent Grant
Zinc-plated steel sheet and manufacturing method thereof
- Patent number 11,859,259
- Issue date Jan 2, 2024
- Nippon Steel Corporation
- Takafumi Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

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
Information Patent Application
STEEL PLATE FOR EVAPORATOR OF ADVANCED NUCLEAR POWER UNIT AND MANUF...
- Publication number 20240327964
- Publication date Oct 3, 2024
- ANGANG STEEL COMPANY LIMITED
- Yong WANG
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL PLATE FOR LOW-COST HIGH TEMPERATURE ENAMELING, AND...
- Publication number 20240309481
- Publication date Sep 19, 2024
- Baoshan Iron & Steel Co., Ltd
- Shuangcheng WANG
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET
- Publication number 20240301537
- Publication date Sep 12, 2024
- NIPPON STEEL CORPORATION
- Mitsuru YOSHIDA
- C21 - METALLURGY OF IRON
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
- Publication number 20240301526
- Publication date Sep 12, 2024
- POSCO Co., Ltd
- Seong-Woo KIM
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH STRENGTH STEEL SHEET
- Publication number 20240287663
- Publication date Aug 29, 2024
- NIPPON STEEL CORPORATION
- Kyohei ISHIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING A ROLLING ELEMENT BEARING COMPONENT, ROLLING E...
- Publication number 20240279762
- Publication date Aug 22, 2024
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Johannes Moeller
- C21 - METALLURGY OF IRON
Information Patent Application
WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED STRENGTH A...
- Publication number 20240263286
- Publication date Aug 8, 2024
- POSCO Co., Ltd
- Junmo LEE
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Hot-Formed Steel Part and Manufacturing Method
- Publication number 20240254610
- Publication date Aug 1, 2024
- Ascometal France Holding SAS
- Thomas Sourmail
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR ROLLING HIGH-TOUGHNESS HIGH-STRENGTH LOW-ALLOY STEEL
- Publication number 20240253099
- Publication date Aug 1, 2024
- DAYE SPECIAL STEEL CO., LTD.
- Xiaolong LI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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...

Railway wheel

High-strength steel having high yield ratio and excellent durabilit...

Hot dip galvanized steel sheet and method for producing same

Steel sheet

Hot-rolled steel sheet

Spheroidal graphite cast iron and method of producing spheroidal gr...

Method for controlling amount of silicon added to ductile cast iron...

Method for producing hot-rolled steel sheet, method for producing c...

Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...

Wire rod for cold heading, processed product using same, and manufa...

Hot dip galvanized steel sheet and method for producing same

Method for producing steel plate member

Spring steel wire

High-strength multiphase tinned steel raw plate and manufacturing m...

Method for optimizing microstructure of rail welded joint

Zinc-plated steel sheet and manufacturing method thereof

Patents Applicationslast 30 patents

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

STEEL PLATE FOR EVAPORATOR OF ADVANCED NUCLEAR POWER UNIT AND MANUF...

HOT-ROLLED STEEL PLATE FOR LOW-COST HIGH TEMPERATURE ENAMELING, AND...

HOT-ROLLED STEEL SHEET

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...

HIGH STRENGTH STEEL SHEET

METHOD FOR PRODUCING A ROLLING ELEMENT BEARING COMPONENT, ROLLING E...

WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED STRENGTH A...

Hot-Formed Steel Part and Manufacturing Method

METHOD FOR ROLLING HIGH-TOUGHNESS HIGH-STRENGTH LOW-ALLOY STEEL