Rolling special iron alloys

Industry

CPC
B21B3/02

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences Rolling of aluminium, copper, zinc or other non-ferrous metals

Current Industry

B21B3/02Rolling special iron alloys

Industries

Patents Grantslast 30 patents

Information Patent Grant
Ultra-high strength hot-rolled steel with toughness and method of m...
- Patent number 12,104,232
- Issue date Oct 1, 2024
- Big River Steel, LLC
- Amar K De
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Production specification determination method, production method, a...
- Patent number 12,083,568
- Issue date Sep 10, 2024
- JFE Steel Corporation
- Noriki Fujita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal strip, method for producing an amorphous metal strip and meth...
- Patent number 12,077,833
- Issue date Sep 3, 2024
- Vacuumschmelze GmbH & Co. KG
- Mie Marsilius
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 12,049,679
- Issue date Jul 30, 2024
- POSCO Co., Ltd
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold rolled steel sheet and a method of manufacturing thereof
- Patent number 11,920,207
- Issue date Mar 5, 2024
- Arcelormittal
- Jean-Marc Pipard
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Duplex stainless clad steel plate and method of producing same
- Patent number 11,891,675
- Issue date Feb 6, 2024
- JFE Steel Corporation
- Yota Kuronuma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hot-pressed member, cold-rolled steel sheet for hot-pressed member,...
- Patent number 11,850,821
- Issue date Dec 26, 2023
- JFE Steel Corporation
- Katsutoshi Takashima
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing a stainless steel sheet with modified visual c...
- Patent number 11,834,726
- Issue date Dec 5, 2023
- OUTOKUMPU OYJ
- Jörn Teipel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot press-formed member having excellent crack propagation resistan...
- Patent number 11,827,947
- Issue date Nov 28, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus line for manufacturing seamless steel pipe and tube and m...
- Patent number 11,821,051
- Issue date Nov 21, 2023
- JFE Steel Corporation
- Shunsuke Sasaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Ultra-high strength hot-rolled steel with toughness and method of m...
- Patent number 11,802,327
- Issue date Oct 31, 2023
- Big River Steel, LLC
- Amar K De
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,788,166
- Issue date Oct 17, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing base for metal masks, method for producing met...
- Patent number 11,746,423
- Issue date Sep 5, 2023
- Toppan Printing Co., Ltd.
- Naoko Mikami
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Surface-hardened, rotationally symmetrical workpiece, hardening met...
- Patent number 11,697,858
- Issue date Jul 11, 2023
- WALZENGIESSEREI COSWIG GMBH
- Sven Baumgart
- C21 - METALLURGY OF IRON
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,624,100
- Issue date Apr 11, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot rolled steel plate for electric resistance welded steel pipe ha...
- Patent number 11,535,907
- Issue date Dec 27, 2022
- POSCO Co., Ltd
- Seok-Jong Seo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold rolling mill with alternative feed of a steel strip over two d...
- Patent number 11,440,066
- Issue date Sep 13, 2022
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Roland Kellermayr
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,441,205
- Issue date Sep 13, 2022
- Posco
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-rolled steel sheet
- Patent number 11,401,571
- Issue date Aug 2, 2022
- Nippon Steel Corporation
- Tatsuo Yokoi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength cold-rolled steel sheet and method for manufacturing...
- Patent number 11,359,256
- Issue date Jun 14, 2022
- JFE Steel Corporation
- Takaaki Tanaka
- B32 - LAYERED PRODUCTS
Information Patent Grant
Colored stainless steel plate and colored stainless steel coil
- Patent number 11,331,702
- Issue date May 17, 2022
- ABEL CO., LTD.
- Hideki Iai
- C21 - METALLURGY OF IRON
Information Patent Grant
Induction motor overheat monitoring method, induction motor monitor...
- Patent number 11,303,236
- Issue date Apr 12, 2022
- Hitachi Industrial Equipment Systems Co., Ltd.
- Guangbin Zhou
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot rolled steel sheet and method for producing same
- Patent number 11,274,355
- Issue date Mar 15, 2022
- Nippon Steel Corporation
- Takeshi Toyoda
- C21 - METALLURGY OF IRON
Information Patent Grant
Metal plate, method of manufacturing metal plate, and method of man...
- Patent number 11,217,750
- Issue date Jan 4, 2022
- Dai Nippon Printing Co., Ltd.
- Chikao Ikenaga
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-rolled steel sheet and manufacturing method thereof
- Patent number 11,208,702
- Issue date Dec 28, 2021
- Nippon Steel Corporation
- Akifumi Sakakibara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Pressure vessel steel having excellent hydrogen induced cracking re...
- Patent number 11,155,906
- Issue date Oct 26, 2021
- Posco
- Dae-Woo Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing a stainless steel sheet with modified visual c...
- Patent number 11,155,892
- Issue date Oct 26, 2021
- OUTOKUMPU OYJ
- Jörn Teipel
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing base for metal masks, method for producing met...
- Patent number 11,111,585
- Issue date Sep 7, 2021
- Toppan Printing Co., Ltd.
- Naoko Mikami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Martensitic stainless steel foil and manufacturing method thereof
- Patent number 11,098,393
- Issue date Aug 24, 2021
- Hitachi Metals, Ltd.
- Takuya Okamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20240301527
- Publication date Sep 12, 2024
- POSCO Co., Ltd
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLI...
- Publication number 20240279763
- Publication date Aug 22, 2024
- JFE STEEL CORPORATION
- Yusuke SHIMOYAMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COLD ROLLING MILL ROLLING CONDITION SETTING METHOD, COLD ROLLING ME...
- Publication number 20240149317
- Publication date May 9, 2024
- JFE STEEL CORPORATION
- Noriki FUJITA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-ENTROPY AUSTENITIC STAINLESS STEEL AND PREPARATION METHOD THEREOF
- Publication number 20240093339
- Publication date Mar 21, 2024
- Yanshan University
- Tongde SHEN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTAN...
- Publication number 20240026479
- Publication date Jan 25, 2024
- POSCO Co., Ltd
- Jin-Keun OH
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT-ROLLED STEEL SHEET FOR HYPER TUBE AND MANUFACTURING METHOD THER...
- Publication number 20240018619
- Publication date Jan 18, 2024
- POSCO Co., Ltd
- Hong-Seok Yang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Thermal Processing Method for Niobium-Containing High-Alloy Austeni...
- Publication number 20240002967
- Publication date Jan 4, 2024
- Shanxi Taigang Stainless Steel Co., Ltd.
- Xudong Fang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20230416863
- Publication date Dec 28, 2023
- POSCO CO., LTD.
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...
- Publication number 20230349018
- Publication date Nov 2, 2023
- WALZENGIESSEREI COSWIG GMBH
- Sven BAUMGART
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Ultra-High Strength Hot-Rolled Steel with Toughness and Method of M...
- Publication number 20230295785
- Publication date Sep 21, 2023
- Big River Steel, LLC
- Amar K. De
- B22 - CASTING POWDER METALLURGY
Information Patent Application
INTERNAL OXIDATION STARTING TEMPERATURE ESTIMATION DEVICE, INTERNAL...
- Publication number 20230296579
- Publication date Sep 21, 2023
- NIPPON STEEL CORPORATION
- Keita IKEDA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING STEEL STRIP
- Publication number 20230279527
- Publication date Sep 7, 2023
- SMS group GMBH
- Ingo SCHUSTER
- B22 - CASTING POWDER METALLURGY
Information Patent Application
HEAT TREATED COLD ROLLED STEEL SHEET AND A METHOD OF MANUFACTURING...
- Publication number 20230265537
- Publication date Aug 24, 2023
- ARCELORMITTAL
- Dongwei FAN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20230235423
- Publication date Jul 27, 2023
- POSCO Co., Ltd
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MATERIAL FOR HOT STAMPING AND METHOD OF MANUFACTURING THE SAME
- Publication number 20230227932
- Publication date Jul 20, 2023
- HYUNDAI STEEL COMPANY
- Nu Ri Shin
- C21 - METALLURGY OF IRON
Information Patent Application
Hot-Rolled Flat Steel Product and Method for the Production Thereof
- Publication number 20230151468
- Publication date May 18, 2023
- ThyssenKrupp Steel Europe AG
- Nicholas Winzer
- C21 - METALLURGY OF IRON
Information Patent Application
RAW BLANK FOR VACUUM CARBURIZATION AND METHOD FOR PRODUCING SAME
- Publication number 20230076076
- Publication date Mar 9, 2023
- AICHI STEEL CORPORATION
- Yuki KIMURA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20220389533
- Publication date Dec 8, 2022
- POSCO
- Jin-Keun OH
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING SAME
- Publication number 20220259692
- Publication date Aug 18, 2022
- NIPPON STEEL CORPORATION
- Shohei YABU
- C21 - METALLURGY OF IRON
Information Patent Application
COLD ROLLING MILL WITH ALTERNATIVE FEED OF A STEEL STRIP OVER TWO D...
- Publication number 20220184676
- Publication date Jun 16, 2022
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Roland KELLERMAYR
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL PLATE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20220154303
- Publication date May 19, 2022
- JFE STEEL CORPORATION
- Yuya SATO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT-PRESSED MEMBER, COLD-ROLLED STEEL SHEET FOR HOT-PRESSED MEMBER,...
- Publication number 20220118741
- Publication date Apr 21, 2022
- JFE STEEL CORPORATION
- Katsutoshi Takashima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PRODUCTION SPECIFICATION DETERMINATION METHOD, PRODUCTION METHOD, A...
- Publication number 20220072593
- Publication date Mar 10, 2022
- JFE STEEL CORPORATION
- Noriki FUJITA
- G05 - CONTROLLING REGULATING
Information Patent Application
Method for Producing a Stainless Steel Sheet with Modified Visual C...
- Publication number 20210388460
- Publication date Dec 16, 2021
- Outokumpu Oyj
- Jörn Teipel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING BASE FOR METAL MASKS, METHOD FOR PRODUCING MET...
- Publication number 20210355586
- Publication date Nov 18, 2021
- Toppan Printing Co., Ltd.
- Naoko MIKAMI
- B32 - LAYERED PRODUCTS
Information Patent Application
SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...
- Publication number 20210332453
- Publication date Oct 28, 2021
- WALZENGIESSEREI COSWIG GMBH
- Sven BAUMGART
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WIRE ROD FOR COLD HEADING, PROCESSED PRODUCT USING SAME, AND MANUFA...
- Publication number 20210324493
- Publication date Oct 21, 2021
- POSCO
- Byung-In Jung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METAL MATERIAL, METHOD OF CONTROLLING RESPONSE OF FERMENTATIVE MICR...
- Publication number 20210298320
- Publication date Sep 30, 2021
- KOMATSUSEIKI KOSAKUSHO CO., LTD.
- Takafumi Komatsu
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
METHOD FOR FABRICATING STEEL SHEET FOR PRESS HARDENING, AND PARTS O...
- Publication number 20210214816
- Publication date Jul 15, 2021
- ARCELORMITTAL
- Sebastian Cobo
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR THERMO-MECHANICALLY CONTROLLED PROCESS FOR HIGH TOUGHNES...
- Publication number 20210189515
- Publication date Jun 24, 2021
- Emirates Steel Industries PJSC
- Mohamed SHAHTOUT
- C21 - METALLURGY OF IRON

Rolling special iron alloys

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ultra-high strength hot-rolled steel with toughness and method of m...

Production specification determination method, production method, a...

Metal strip, method for producing an amorphous metal strip and meth...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Cold rolled steel sheet and a method of manufacturing thereof

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

Duplex stainless clad steel plate and method of producing same

Hot-pressed member, cold-rolled steel sheet for hot-pressed member,...

Method for producing a stainless steel sheet with modified visual c...

Hot press-formed member having excellent crack propagation resistan...

Apparatus line for manufacturing seamless steel pipe and tube and m...

Ultra-high strength hot-rolled steel with toughness and method of m...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Method for producing base for metal masks, method for producing met...

Surface-hardened, rotationally symmetrical workpiece, hardening met...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Hot rolled steel plate for electric resistance welded steel pipe ha...

Cold rolling mill with alternative feed of a steel strip over two d...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Hot-rolled steel sheet

High-strength cold-rolled steel sheet and method for manufacturing...

Colored stainless steel plate and colored stainless steel coil

Induction motor overheat monitoring method, induction motor monitor...

Hot rolled steel sheet and method for producing same

Metal plate, method of manufacturing metal plate, and method of man...

Hot-rolled steel sheet and manufacturing method thereof

Pressure vessel steel having excellent hydrogen induced cracking re...

Method for producing a stainless steel sheet with modified visual c...

Method for producing base for metal masks, method for producing met...

Martensitic stainless steel foil and manufacturing method thereof

Patents Applicationslast 30 patents

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLI...

COLD ROLLING MILL ROLLING CONDITION SETTING METHOD, COLD ROLLING ME...

HIGH-ENTROPY AUSTENITIC STAINLESS STEEL AND PREPARATION METHOD THEREOF

HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTAN...

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

Thermal Processing Method for Niobium-Containing High-Alloy Austeni...

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...

Ultra-High Strength Hot-Rolled Steel with Toughness and Method of M...

INTERNAL OXIDATION STARTING TEMPERATURE ESTIMATION DEVICE, INTERNAL...

METHOD FOR PRODUCING STEEL STRIP

HEAT TREATED COLD ROLLED STEEL SHEET AND A METHOD OF MANUFACTURING...

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

MATERIAL FOR HOT STAMPING AND METHOD OF MANUFACTURING THE SAME

Hot-Rolled Flat Steel Product and Method for the Production Thereof

RAW BLANK FOR VACUUM CARBURIZATION AND METHOD FOR PRODUCING SAME

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

HOT-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING SAME

COLD ROLLING MILL WITH ALTERNATIVE FEED OF A STEEL STRIP OVER TWO D...

STEEL PLATE AND METHOD FOR MANUFACTURING THE SAME

HOT-PRESSED MEMBER, COLD-ROLLED STEEL SHEET FOR HOT-PRESSED MEMBER,...

PRODUCTION SPECIFICATION DETERMINATION METHOD, PRODUCTION METHOD, A...

Method for Producing a Stainless Steel Sheet with Modified Visual C...

METHOD FOR PRODUCING BASE FOR METAL MASKS, METHOD FOR PRODUCING MET...

SURFACE-HARDENED, ROTATIONALLY SYMMETRICAL WORKPIECE, HARDENING MET...

WIRE ROD FOR COLD HEADING, PROCESSED PRODUCT USING SAME, AND MANUFA...

METAL MATERIAL, METHOD OF CONTROLLING RESPONSE OF FERMENTATIVE MICR...

METHOD FOR FABRICATING STEEL SHEET FOR PRESS HARDENING, AND PARTS O...

METHOD FOR THERMO-MECHANICALLY CONTROLLED PROCESS FOR HIGH TOUGHNES...