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Soft Magnetic Materials – Technologies, Materials, Devices, New Developments, Industry Structure And Global Markets

Soft Magnetic Materials – Technologies, Materials, Devices, New Developments, Industry Structure And Global Markets

Magnets are important and highly sophisticated engineering materials that play a fundamental role in many of the electrical and electronic systems that serve modern society.

Magnets might be divided into two classes – permanent and soft magnetic materials. Permanent magnetic materials are those which are constantly magnetized, while soft magnetic materials exhibit magnetic properties only when subjected to a magnetic field. Soft magnetic materials play a key role in power distribution, make possible the conversion between electrical and mechanical energy, underlie microwave communication, and provide both the transducers and the active storage material for data storage in information systems.

Soft magnetic materials exhibit magnetic properties only when they are subject to a magnetizing force such as the magnetic field created when current is passed through the wire surrounding a soft magnetic core. Soft ferromagnetic materials are generally associated with electrical circuits where they are used to amplify the flux generated by the electric currents. These materials can be used in alternating current (AC) as well as direct current (DC) electrical circuits.

STUDY GOALS AND OBJECTIVES

Today, energy loss (in the magnetic cores) in transmission and electrical appliances such as motors and transformers accounts for 3.4% of overall electricity consumption in the world. Magnetic iron-silicon steels are mostly used for such applications; 96% are used in motors and transformers. However, they are already nearing saturation in terms of magnetic performance, and they will be replaced in critical applications where size and thermal performance are critical. Worldwide consumption of electrical energy might be able to be reduced significantly by the application of superior soft magnetic materials, such as innovative high-Fe soft magnetic materials with a self-organizing nanoheteromorphous structure, in electrical transport and various electrical appliances.

This iRAP report has been prepared to highlight the many new developments in the soft magnetic materials industry. Many of the market segments are mature, while others are growing at faster rates. Developing economies such as China and India are also emerging as growth engines for many industries that use soft magnetic materials. These developments have created a need for a formal analysis of the technological and business issues, trends in manufacturing, markets, and competition between countries and regions in this market. Therefore, we have updated technology and market trends in this new study.

This report has been prepared to:

  • provide an overview of the various soft magnetic materials, their production technologies and applications;
  • identify the technological and business issues related to the commercial production of soft magnetic materials;
  • understand the inter-material competition among the various soft magnetic materials;
  • analyze competition among companies within each of the soft magnetic materials market segments;
  • determine the current size and future growth of the global markets for soft magnetic materials; and
  • identify and profile all global producers and suppliers of soft magnetic materials.
CONTRIBUTIONS OF THE STUDY

iRAP’’s technical and economic study covers technology and industry overviews, materials, current and emerging production methods, new developments in materials and processing techniques, business and technology issues, current and emerging applications, and an extensive market analysis. Current size and future growth of global markets are estimated for 2014 and 2019.

FORMAT AND SCOPE

This report reviews the technology of soft magnetic materials, the types of soft magnetic materials, their applications, and current and anticipated demand for specific materials. For each material segment, the report provides an analysis of material and product types in the category, processing technologies, properties, applications, new developments and patents, the industry structure, global markets and competition.

The qualitative and quantitative judgments in this report contribute to the current knowledge of soft magnetic materials, their manufacturing technologies, applications, and markets. New efficiency standards in most countries for transformers and motors have resulted in fast adoption of amorphous steel in the last five years. This study has carved out all these new developments and new market opportunities.

The report further provides profiles of companies producing and supplying electrical steels, cold rolled motor lamination steels, amorphous steels and profiles of those producing and supplying soft ferrites, nickel iron alloys, powder iron, and other materials (silicon iron, cobalt iron and solenoid quality stainless steels).

TO WHOM THE STUDY CATERS

This report is directed to the various strata of companies interested in developments in this field, including:
  • steel manufacturers;
  • companies involved in the development, manufacturing, and supplying of advanced materials;
  • manufacturers and suppliers of soft magnetic materials;
  • manufacturers of powder metallurgy products;
  • manufacturers and suppliers of systems and subsystems which incorporate soft magnets;
  • manufacturers of transformers, generators, motors, relays, solenoids, magnetic shielding, computer memories, recording heads, and similar devices;
  • manufacturers and suppliers of raw materials for soft ferrites;
  • importers and suppliers of soft magnetic materials; and
  • users of electrical steel, cold rolled lamination steel, amorphous steel, soft ferrites, nickel-iron alloys, iron-cobalt alloys, solenoid-quality stainless steel, etc.
REPORT SUMMARY

Soft magnetic materials play a fundamental role in many of the electrical and electronic systems that characterize modern society. These materials are used in applications such as electrical power generation and transmission, electric motors, receipt of radio signals and microwaves, relays, solenoids, magnetic shielding and electromagnets. The properties of the materials used are being continuously improved.

The global soft magnetic material industry is a mature industry. However, a new energy paradigm, consisting of greater reliance on renewable energy sources and increased concern for energy efficiency in the total energy life-cycle, has accelerated research into energy-related technologies. New improved materials with higher energy efficiency have been demonstrated for amorphous and nanocrystalline soft magnetic materials. While amorphous steel has been used extensively as the core material for transformers and motors, the emerging nanocrystalline core material has even higher efficiency and will see much higher growth in the future.

Major findings of this report are:
  • According to the new study, the 2014 global market for soft magnetic materials stood at about $45.4 billion, and it is estimated to reach $66.6 billion by 2019. The compounded annual growth rate (CAGR) is expected to be 7.9% from 2014 to 2019.
  • The steel segment, which consists of electrical steel, cold-rolled lamination steel, and amorphous steel, has the largest market share.
  • In terms of dollar value, amorphous steel is expected to have the fastest growth rate followed by soft ferrites and other steels.
  • In terms of regional demand, Asia's demand for electrical steel has increased astronomically. It is the only region in the world that increased consumption of electrical steel from 2008 and will see growth to 2019.
  • Electrical steel is of great importance in China and India due to increasing energy consumption, concomitant with their strong economic growth. Not only are China and India putting new transformers into use, they are also replacing older transformers to improve grid reliability. Both are seeking higher efficiency, grain-oriented steels to reduce energy losses.
  • In terms of industry structure, China now is the largest soft magnetic materials producer in the world due to its low cost, highly trained labor force and vast raw materials.


INTRODUCTION
STUDY GOALS AND OBJECTIVES
CONTRIBUTIONS OF THE STUDY
FORMAT AND SCOPE
METHODOLOGY AND INFORMATION SOURCES
WHO SHOULD SUBSCRIBE
RELATED IRAP REPORTS
AUTHOR’S CREDENTIALS
EXECUTIVE SUMMARY
SUMMARY TABLE : GLOBAL MARKET FOR SOFT MAGNETIC
MATERIALS, 2014 AND 2019
SUMMARY FIGURE :GLOBAL SHARE OF SOFT MAGNETIC
MATERIALS MARKET SEGMENTS, 2014 AND 2019
INDUSTRY OVERVIEW
INDUSTRY STRUCTURE AND PLAYERS
INDUSTRY STRUCTURE AND PLAYERS (cntd.)
INDUSTRY DYNAMICS
PRICES OF SOFT MAGNETIC MATERIALS
TABLE 1 AVERAGE PRICES OF SOFT MAGNETIC MATERIALS, 2014
GLOBAL MARKET OVERVIEW
TABLE 2 GLOBAL MARKET FOR SOFT MAGNETIC MATERIALS, 2014 AND 2019
MARKET HIGHLIGHTS
China
United states
Europe
Japan
India
Rest of the world (row)
MARKET VOLUME IN TONS
TABLE 3 GLOBAL MARKETS FOR SOFT MAGNETIC MATERIALS, 2014-2019
TABLE 4 GLOBAL MARKET SHARE FOR SOFT MAGNETIC MATERIALS, 2014 AND 2019
FIGURE 1 GLOBAL SHARE OF SOFT MAGNETIC MATERIALS MARKET SEGMENTS, 2014 AND 2019
TECHNOLOGY REVIEW
IMPORTANT PROPERTIES OF SOFT MAGNETIC MATERIALS
PERMEABILITY
COERCIVITY
SATURATION MAGNETIZATION
HYSTERESIS LOSS
DESIRABLE PROPERTIES
MATERIALS
MAJOR APPLICATIONS
MOTORS AND GENERATORS
TABLE 5 SOFT MAGNETIC MATERIALS USED FOR MOTORS AND GENERATORS
TRANSFORMERS
TABLE 6 SOFT MAGNETIC ALLOYS USED FOR TRANSFORMERS
ELECTROMAGNETS AND RELAYS
OTHER APPLICATIONS
ELECTRICAL STEELS
MATERIALS AND TYPES
TABLE 7 ASTM LETTER CODE DESIGNATIONS FOR ELECTRICAL STEEL AND LAMINATION STEEL GRADES
TABLE 8 STANDARDIZATION OF AVAILABLE GRAIN-ORIENTED ELECTRICAL STEELS (GOES) IN 2014
NON-ORIENTED ELECTRICAL STEELS (NOES)
Semi-processed grades
Fully processed grades
TABLE 9 STANDARDIZATION OF AVAILABLE NON-GRAIN-ORIENTED ELECTRICAL STEELS-NOES IN 2014
TABLE 10 COMMERCIAL GRADES AND MANUFACTURERS OF ELECTRICAL STEELS (NOES AND GOES) IN 2014
PROPERTIES OF NOES AND GOES
TABLE 11 SELECTED MAGNETIC PROPERTIES OF NOES AND GOES
TABLE 12A MAGNETIC AND THERMAL PROPERTIES OF SELECTED CONVENTIONAL (NOES, GOES) AND HIGH-PERMEABILITY FLAT-ROLLED ELECTRICAL STEELS
TABLE 12B MAGNETIC AND THERMAL PROPERTIES OF SELECTED CONVENTIONAL(NOES, GOES) AND HIGH-PERMEABILITY FLAT-ROLLED ELECTRICAL STEELS
FABRICATION PROCESS
NON-ORIENTED SILICON STEELS (NOES)
GRAIN-ORIENTED SILICON STEELS (GOES)
TABLE 13 TYPICAL VALUES OF ELECTRICAL LOSS IN ELECTRICAL STEEL (GOES)
Manufacturing complexity of GOES
FIGURE 2 TYPICAL PROCESS SEQUENCE FOR PRODUCING
GRAIN-ORIENTED SILICON STEEL
APPLICATIONS FOR NOES AND GOES
TABLE 14 SILICON CONTENT, MASS DENSITIES, AND APPLICATIONS OF ELECTRICAL STEEL SHEET AND STRIP (NOES, GOES AND HIB)
MARKET SIZE
TABLE 15 GLOBAL MARKETS FOR ELECTRICAL STEEL, 2014 AND 2019
TABLE 16 AVERAGE PRICES OF ELECTRICAL STEEL, 2014 AND 2019
TABLE 17 GLOBAL MARKETS FOR ELECTRICAL STEEL, 2014 AND 2019
TABLE 18 ELECTRICAL STEEL MARKET BY REGIONS, 2014 AND 2019
INDUSTRY STRUCTURE
NEW DEVELOPMENTS
MERGERS AND ACQUISITIONS
TABLE 19 ACQUISITIONS, MERGERS AND TIEUPS AMONG MANUFACTURERS OF ELECTRICAL STEEL BETWEEN 2009 AND 2014
COMPETITION FROM OTHER STEELS
COLD-ROLLED LAMINATION STEEL
MATERIALS AND TYPES
TABLE 20 GRADES OF COLD-ROLLED MOTOR LAMINATION STEEL
PROPERTIES
TABLE 21 TYPICAL MAGNETIC PROPERTIES OF LOW-CARBON STEEL STRIP
TABLE 22 TYPICAL PROPERTIES OF COLD-ROLLED LAMINATION STEEL
TABLE 23 TYPICAL MAXIMUM CORE LOSS* FOR U.S. STEEL GRADES (WATTS PER POUND, 60 HZ AT 1.5T)
TABLE 24 COMMERCIAL GRADES AND MANUFACTURERS OF COLD-ROLLED MOTOR LAMINATION STEELS IN 2014
TABLE 25 COMMERCIALLY AVAILABLE THIN-GAUGE SILICON STEELS
FABRICATION PROCESS
APPLICATIONS
TABLE 26 APPLICATIONS FOR COLD-ROLLED LAMINATION STEEL
IMPACT OF NEW EFFICIENCY REGULATIONS FOR MOTORS
WHY EFFICIENCY RAISES PRICES
WHY EFFICIENCY RAISES PRICES (CNTD.)
MOTOR DESIGNS
MARKET SIZE
TABLE 27 GLOBAL MARKET FOR COLD-ROLLED MOTOR LAMINATION STEEL, 2014 AND 2019
TABLE 28 REGIONAL MARKET DEMAND FOR COLD-ROLLED MOTOR LAMINATION STEEL
INDUSTRY STRUCTURE
NEW DEVELOPMENTS
TABLE 29 DEVELOPMENTS IN COLD-ROLLED MOTOR LAMINATION STEEL
FERROMAGNETIC AMORPHOUS STEEL
MATERIALS
METGLAS
TYPES
Metal-metalloid systems
TABLE 30 FAMILIES OF GLASSY METALS BASED ON CHEMICAL CLASSIFICATION OF CONSTITUENTS
TABLE 31 COMPOSITION OF METGLAS™ ALLOYS (ATOMIC PERCENT)
Metal-metal systems
FABRICATION PROCESS
FIGURE 3 ILLUSTRATION OF THE MELT SPINNING TECHNIQUE TO PRODUCE METALLIC GLASSES
FIGURE 4 SCHEMATIC ILLUSTRATION OF PLANAR FLOW CASTING PROCESS
FIGURE 5 ALLIED'S PLANAR FLOW CASTING PROCESS TO MAKE CONTINUOUS METALLIC GLASS RIBBONS
PROPERTIES
MECHANICAL PROPERTIES
Strength
TABLE 32 YIELD STRENGTHS OF IRON-BASED GLASSES COMPARED WITH SOME CONVENTIONAL POLYCRYSTALLINE STEELS
Toughness
TABLE 33 TOUGHNESS (REARING ENERGY) OF SOME METALLIC GLASSES COMPARED WITH OTHER MATERIALS
Hardness
TABLE 34 HARDNESS OF METALLIC GLASSES COMPARED WITH STAINLESS STEEL
CHEMICAL
Corrosion resistance
THERMAL
ELECTRICAL
Resistivity
Conductivity
MAGNETIC
General
Saturation magnetization
Coercive force
Magnetostriction
Curie temperature
PROPERTIES OF COMMERCIALLY AVAILABLE METGLASTM METALLIC GLASS
TABLE 35 MAGNETIC PROPERTIES OF VARIOUS METALLIC GLASSES AND SOME CONVENTIONAL SOFT MAGNETIC MATERIALS
APPLICATIONS
TABLE 36 MERITS AND RELATIVE COST OF METGLAS PRODUCTS FOR ELECTROMAGNETIC APPLICATIONS
TABLE 37 METGLAS MATERIALS AND TYPICAL APPLICATIONS
AMORPHOUS METAL TRANSFORMERS (AMTS)
Distribution transformers
TABLE 38 COMPARING AMORPHOUS AND SILICON UNITS0
Power transformers
Current transformers
400hz transformers
OTHER APPLICATIONS
Motors
Transducers
INDUSTRY STRUCTURE AND MARKETS
MARKETS
TABLE 39 REGIONAL MARKETS FOR AMORPHOUS METGLAS STEEL, 2014 AND 2019
TABLE 40 MARKET FOR AMORPHOUS METGLAS STEEL BY APPLICATION
SOFT FERRITES
MATERIALS AND TYPES
SHAPES AND CONFIGURATIONS
TABLE 41 COMMON SHAPES AND CONFIGURATIONS FOR SOFT FERRITES
PROPERTIES
TABLE 42 TYPICAL PHYSICAL CHARACTERISTICS OF MN-ZN AND NI-ZN SOFT FERRITES
TABLE 43A TYPICAL MAGNETIC CHARACTERISTICS OF MN-ZN AND NI-ZN SOFT FERRITES
TABLE 43B TYPICAL MAGNETIC CHARACTERISTICS OF MN-ZN AND NI-ZN SOFT FERRITES
TABLE 43C TYPICAL MAGNETIC CHARACTERISTICS OF MN-ZN AND NI-ZN SOFT FERRITES
TABLE 44 PROPERTIES OF REPROGRAPHIC FERRITE CORES
FABRICATION PROCESS
FIGURE 6 FLOWCHART FOR STANDARD CERAMIC PROCESSING OF FERRITE COMPONENTS
FABRICATION PROCESS (CNTD.)
FIGURE 7 TYPICAL PROCESS FLOWCHART FOR FERRITE CARRIER CORE MATERIALS
APPLICATIONS
TABLE 45 SOFT FERRITE MAGNETIC DEVICES AND APPLICATIONS
NON-MICROWAVE MATERIAL
TABLE 46 SOFT FERRITE APPLICATIONS
Telecommunications
TABLE 47 TYPICAL COMMERCIAL FERRITES
Power applications
Consumer applications
MICROWAVE FERRITES
Circulator
Isolator
Phase shifter
NEW DEVELOPMENTS
NANOCRYSTRALLINE FERRITES
INDUSTRY STRUCTURE AND MARKETS
TABLE 48 COMMERCIAL GRADES AND MANUFACTURERS OF SOFT FERRITES, 2014
GLOBAL MARKET
TABLE 49 AVERAGE PRICES OF SOFT MAGNETIC MATERIALS, 2014
TABLE 50 GLOBAL MARKET FOR SOFT FERRITE, 2014 AND 2019
TABLE 51 GLOBAL MARKET VOLUME (WEIGHT) FOR SOFT FERRITES
BY TYPE, 2014 AND 2019
TABLE 52 GLOBAL MARKET VOLUME (DOLLARS) FOR SOFT FERRITE
BY TYPE, 2014 AND 2019
TABLE 53 GLOBAL MARKET DEMAND OF SOFT FERRITE BY REGION,2014-2019
NICKEL-IRON ALLOYS
MATERIALS AND TYPES
HIGH NICKEL ALLOYS
LOW NICKEL ALLOYS
PROPERTIES
MECHANICAL PROPERTIES
TABLE 54 SELECTED MAGNETIC PROPERTIES OF DIFFERENT NICKEL-IRON ALLOYS
TABLE 55 DC MAGNETIC PROPERTIES OF CARPENTER'S HIGH PERMEABILITY "49" ALLOY
TABLE 56 DC AND AC MAGNETIC PROPERTIES OF CARPENTER'S HYMU 800 ALLOY
PHYSICAL AND MECHANICAL PROPERTIES
TABLE 57 TYPICAL HEAT TREATMENTS AND PHYSICAL AND MECHANICAL PROPERTIES OF NICKEL-IRON ALLOYS
FABRICATION PROCESS
MELTING AND CASTING
HEAT TREATMENT
APPLICATIONS
TABLE 58 APPLICATIONS OF NICKEL-IRON AND IRON-COBALT SOFT ALLOYS
TABLE 59 COMMERCIAL GRADES AND MANUFACTURERS OF NICKEL-IRON ALLOYS IN 2014
INDUSTRY STRUCTURE AND MARKETS
NEW DEVELOPMENTS IN 2014
GLOBAL MARKETS
TABLE 60 GLOBAL MARKET BY WEIGHT FOR NICKEL-IRON ALLOYS, 2014 AND 2019
TABLE 61 GLOBAL MARKET BY VALUE FOR NICKEL IRON ALLOYS, 2014 AND 2019
TABLE 62 GLOBAL MARKET DISTRIBUTION OF NICKEL-IRON ALLOYS BY REGION, 2014 AND 2019
IRON POWDER CORE
MATERIALS AND TYPES
PRODUCTION
FIGURE 8 PROCESS FLOW FOR THE PRODUCTION OF IRON POWDER CORE
PROPERTIES
APPLICATIONS
INDUSTRY STRUCTURE
NEW DEVELOPMENTS IN 2014
TABLE 63 NEW DEVELOPMENTS IN PURE IRON POWDER IN 2014
COMMERCIAL GRADES
TABLE 64 COMMERCIAL GRADES AND SUPPLIERS OF PM MAGNETIC MATERIAL IRON POWDER IN 2014
GLOBAL MARKETS
TABLE 65 GLOBAL MARKET DISTRIBUTION OF POWDER IRON BY REGION, 2014 AND 2019
OTHER SOFT METALLIC MAGNETIC MATERIALS
SILICON-IRON BAR AND HEAVY STRIP
TABLE 66 TYPICAL DC MAGNETIC PROPERTIES OF IRON, LOW-CARBON STEEL, AND SILICON-IRON BAR PRODUCTS
MANUFACTURING AND APPLICATIONS
MARKET STRUCTURE
TABLE 67 GLOBAL MARKET FOR SILICON-IRON
NEW DEVELOPMENTS IN 2014
IRON-ALUMINUM AND IRON-ALUMINUM-SILICON ALLOYS
IRON-COBALT ALLOYS
TYPES AND PROPERTIES
TABLE 68 SELECTED MAGNETIC PROPERTIES OF DIFFERENT IRON-COBALT ALLOYS
APPLICATIONS
MARKET STRUCTURE
MARKET SIZE
TABLE 69 GLOBAL MARKET FOR IRON-COBALT
TABLE 70 COMMERCIAL GRADES AND SUPPLIERS OF IRON-COBALT
SOLENOID QUALITY STAINLESS STEEL
MANUFACTURING
MARKET STRUCTURE
MARKET SIZE
TABLE 71 GLOBAL MARKET FOR SOLENOID QUALITY STAINLESS STEEL
NEW DEVELOPMENTS IN 2014
OVERALL MARKET SUMMARY
TABLE 72 AVERAGE GLOBAL PRICES FOR OTHER SOFT MAGNETIC MATERIALS, 2014
TABLE 73 GLOBAL MARKETS FOR OTHER SOFT MAGNETIC MATERIALS
BY WEIGHT, 2014 AND 2019
TABLE 74 GLOBAL MARKET FOR OTHER SOFT MAGNETIC MATERIALS
BY DOLLAR VOLUME, 2014 AND 2019
TABLE 75 GLOBAL MARKET DISTRIBUTION OF OTHER SOFT MAGNETIC MATERIALS BY REGION, 2014 AND 2019
SOFT MAGNETIC NANOCRYSTALLINE ALLOY
APPLICATIONS
MARKET SIZE AND STRUCTURE
AMORPHOUS VERSUS NANOCRYSTALLINE ALLOYS
TABLE 76 COMMERCIAL GRADES AND SUPPLIERS OF NANOCRYSTALLINE ALLOYS USED AS SOFT MAGNETIC MATERIALS IN 2014
NEW DEVELOPMENTS
PATENTS
TABLE 77 NUMBER OF U.S. SOFT MAGNETIC MATRIALS PATENTS, 2010 THROUGH JULY 2014
OVERVIEW OF INTERNATIONAL U.S. PATENT ACTIVITY IN SOFT MAGNETIC MATERIALS
TABLE 78 NUMBER OF U.S. SOFT MAGNETIC MATERIALS PATENTS ASSIGNED BY COUNTRY/REGION FROM JANUARY 2010 THROUGH JULY 2014
TABLE 79 TOP U.S. SOFT MAGNETIC MATERIALS PATENT ASSIGNEES, JANUARY 2010 THROUGH JULY 2014
FIGURE 9 TOP U.S. SOFT MAGNETIC MATERIALS PATENT ASSIGNEES, JANUARY 2010 THROUGH JULY 2014
PATENTS IN ELECTRICAL STEELS
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
TREATMENT SOLUTION FOR INSULATION COATING FOR GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATION COATING
MANUFACTURING METHOD OF GRAIN-ORIENTED MAGNETIC STEEL SHEET
MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET
MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET
METHOD FOR PRODUCING GRAIN-ORIENTED SILICON STEEL CONTAINING COPPER
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREFOR
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
METHOD OF TREATING STEEL FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PROCESS FOR PRODUCING THE SAME
LOW CORE LOSS GRAIN-ORIENTED ELECTRICAL STEEL PLATE AND METHOD OF MANUFACTURING THE SAME
GRAIN-ORIENTED ELECTRICAL STEEL SHEET HAVING HIGH TENSILE STRENGTH INSULATING FILM AND METHOD OF TREATMENT OF SUCH INSULATING FILM
ULTRA-HIGH MAGNETIC FLUX DENSITY GRAIN-ORIENTED ELECTRICAL STEEL SHEET EXCELLENT IN IRON LOSS AT A HIGH MAGNETIC FLUX DENSITY AND FILM PROPERTIES AND METHOD FOR PRODUCING THE SAME
METHOD OF PRODUCTION OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET HAVING A HIGH MAGNETIC FLUX DENSITY
METHOD OF PRODUCTION OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET WITH HIGH MAGNETIC FLUX DENSITY
GRAIN-ORIENTED ELECTRICAL STEEL SHEET EXCELLENT IN COATING ADHESION AND METHOD OF PRODUCING THE SAME
HIGH PERMEABILITY GRAIN ORIENTED ELECTRICAL STEEL
METHOD FOR PRODUCTION AND APPARATUS FOR PRODUCTION OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET EXCELLENT IN MAGNETIC PROPERTIES
LOW CORE LOSS GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME
GRAIN-ORIENTED ELECTRICAL STEEL SHEET EXTREMELY EXCELLENT IN MAGNETIC PROPERTIES AND METHOD OF PRODUCTION OF SAME
GRAIN-ORIENTED ELECTRICAL STEEL SHEET HAVING INSULATING FILM NOT CONTAINING CHROMIUM AND INSULATING FILM AGENT OF SAME
METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET VERY EXCELLENT IN MAGNETIC PROPERTIES
GRAIN-ORIENTED ELECTRICAL STEEL SHEET SUPERIOR IN CORE LOSS CHARACTERISTIC
METHOD OF PRODUCTION OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
PATENTS IN SILICON STEELS
METHOD OF AND APPARATUS FOR HOT ROLLING A THIN SILICON-STEEL WORKPIECE INTO SHEET STEEL
ROTATING ELECTRICAL MACHINE WITH DIFFERENT LAMINATION STEEL KINDS AND SPACING
PROCESS AND DEVICE FOR PRODUCING STRIPS OF SILICON STEEL OR MULTIPHASE STEEL
FERRIC PICKLING OF SILICON STEEL
METHOD AND SYSTEM FOR MANUFACTURING ELECTRICAL SILICON STEEL
PATENTS IN AMORPHOUS STEELS
AMORPHOUS METAL CONTINUOUS FLUX PATH TRANSFORMER AND METHOD OF MANUFACTURE
UTILIZATION OF AMORPHOUS STEEL SHEETS IN HONEYCOMB STRUCTURES
AMORPHOUS FE100-A-BPAMB ALLOY FOIL AND METHOD FOR ITS PREPARATION
AMORPHOUS FE AND CO BASED METALLIC FOAMS AND METHODS OF PRODUCING THE SAME
THERMOPLASTICALLY PROCESSABLE AMORPHOUS METALS AND METHODS FOR PROCESSING SAME
NON-FERROMAGNETIC AMORPHOUS STEEL ALLOYS CONTAINING LARGE-ATOM METALS
PATENT IN SOFT FERRITES
MAGNETICALLY SOFT POWDER COMPOSITE MATERIAL, METHOD FOR MANUFACTURING SAME, AND ITS USE
APPENDIX I - SOFT FERRITE TERMINOLOGY
APPENDIX II – PROFILES OF COMPANIES PRODUCING AND SUPPLYING ELECTRICAL STEELS
AK STEEL CORPORATION
ALLEGHENY TECHNOLOGIES INCORPORATED
THYSSENKRUPP ELECTRICAL STEEL GMBH (TKES)
WUHAN IRON & STEEL (GROUP) CORP. (WISCO)
APPENDIX III: PROFILES OF COMPANIES PRODUCING AND SUPPLYING COLD-ROLLED MOTOR LAMINATION STEELS
ARCELORMITTAL
ARNOLD MAGNETIC TECHNOLOGIES
TEMPEL STEEL
UNITED STATES STEEL CORPORATION
APPENDIX IV: PROFILES OF COMPANIES PRODUCING AND SUPPLYING AMORPHOUS STEELS
ADVANCED TECHNOLOGY & MATERIALS CO., LTD. (AT&M)
USHA AMORPHOUS METALS, LTD. (UAML)
VACUUMSCHMELZE GMBH & CO. KG
APPENDIX V: PROFILES OF COMPANIES PRODUCING AND SUPPLYING SOFT FERRITES, NICKEL-IRON ALLOYS, POWDER IRON, AND OTHER SOFT MAGNETIC MATERIALS
ACME FERRITE
AFT MICROWAVE GMBH
VOGT ELECTRONICS
YOUNGHWA HWA FERRITE CO., LTD.

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