ELECTRICAL STEEL SHEETS - Nippon Steel & … FOREWORD 01 まえがき 前言...

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  • ELECTRICAL STEEL SHEETS

    2012,2017 NIPPON STEEL & SUMITOMO METAL CORPORATIOND003jec_06_201707f

    http://www.nssmc.com/

    NIPPON STEEL & SUMITOMO METAL U.S.A., INC.New York 1251 Ave of the Americas, Suite 2320,New York, NY, U.S.A. 10020-0080

    TEL:+1-212-486-7150/FAX:+1-212-593-3049

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    NIPPON STEEL & SUMITOMO METAL Empreendimentos Siderurgicos Ltda.Sao Paulo Avenida Paulista 2300, 18 andar conj. 181 e 183 CEP 01310-300,

    So Paulo, SP, BrasilTEL:+55-11-3563-1900/FAX:+55-11-3563-1901

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    (PO Box : 18347)TEL:+971-4-887-6020/FAX:+971-4-887-0206

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    TEL:+61-2-8036-6600/FAX:+61-2-9221-5277

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    110017, INDIATEL:+91-11-4763-0000/FAX:+91-11-4763-0001

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    Chaoyang District Beijing, 100022, P.R. ChinaTEL:+86-10-6513-8593/FAX:+86-10-6513-7197

    Shanghai Room No.808, UNITED PLAZA, 1468 Nanjing Road West,Jingan District Shanghai, 200040, P.R. ChinaTEL:+86-21-6247-9900/FAX:+86-21-6247-1858

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    Khwang Bangna, Khet Bangna, Bangkok 10260, ThailandTEL:+66-2-744-1480-3/FAX:+66-2-744-1485

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    Ben Nghe Ward, Dist.1, Hochiminh City, VietnamTEL:+84-28- 3914-7016/FAX:+84-283914-7018

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    THAI SUMILOX CO.,Ltd.1/79 Moo 5, Rojana Industrial Park, Rojana RoadThambon Kanham,Amphur U-Thai, Ayutthaya 13210, ThailandTEL: +66-35-227-044/FAX:+66-35-227-055

    100-8071 61 03-6867-4111 541-0041 533 06-6220-5111 060-0002 4 8 011-222-8260 450-0003 2-13-18NS8 052-856-2351 730-0017 10-12 14 082-225-5212 812-8522 5-18 NS3 092-273-7001

    Flat Products [Electrical Steel Sheets]

    ELECTRICAL STEEL SHEETS

    2-6-1 Marunouchi, Chiyoda-ku,Tokyo 100-8071 JapanTel: +81-3-6867-4111

  • 1

    FOREWORD....................................................................................................01

    PRODUCT.DESIGNATIONS.AND.APPLICATIONS...........................................02

    GRAIN-ORIENTED.ELECTRICAL.STEEL.SHEETS.................................................06

    ORIENTCORE,.ORIENTCOREHI-B...............................................................06 ,ORIENTCOREHI-BLS...................................................................................14 ORIENTCOREHI-BPM.................................................................................14

    NON-ORIENTED.ELECTRICAL.STEEL.SHEETS....................................................18

    HILITECORE,.HOMECORE.............................................................................18 ,HIEXCORE,.THINNER.GAUGE.HIEXCORE...................................................22 , HIGH.TENSILE.STRENGTH.HILITECORE......................................................26

    SURFACE.INSULATION.........................................................................................28

    ANNEALING.BY.THE.CUSTOMER.......................................................................30( )

    MAJOR.INTERNATIONALLY-ACCEPTED.STANDARDS.....................................32

    CONVERSION.TABLES..........................................................................................33

    NIPPON STEEL & SUMITOMO METAL CORPORATION manufactures a range of magnetic steel sheets to cover broad needs and requirements of the customer.Based on technologies that have been fostered by many years of research and manufacture NSSMC strives to improve quality and develop new products and the results are positive. Our products, GRAIN-ORIENTED ELECTRICAL STEEL SHEETS such as our ORIENTCORE HI-B, ORIENTCORE HI-B LS, ORIENTCORE HI-B PM, as well as our NON-ORIENTED ELECTRICAL STEEL SHEETS such as our HIEXCORE, HIGH TENSILE STRENGTH HILITECORE and our range of coatings, etc. enjoy an enviable reputation in terms of quality as well as for the strength and depth of our product line-up. This catalog touches on all of our magnetic steel sheet products and we hope that you can keep this catalog to hand and refer to it on a daily basis. In the event that you require more detailed characteristic curve on specific products, we have also prepared detailed product-specific catalogs, so please feel free to ask us for more information. NSSMC, with the support and understanding of the customer, will continue to strive to develop high quality products that are easy to use. We thank you for your appreciation of our electrical steel sheets and for your continuous support and understanding as we go forward.

    , , , , ORIENTCOREHI-BORIENTCOREHI-BLSORIENTCOREHI-BPM, HIEXCORE , , , , , , , ,

    CONTENTS FOREWORD

    Notice: While every effort has been made to ensure the accuracy of the information contained within this publication, the use of the information is at the readers risk and no warranty is implied or expressed by Nippon Steel & Sumitomo Metal Corporation with respect to the use of the information contained herein. The information in this publication is subject to change or modification without notice. Please contact the Nippon Steel & Sumitomo Metal Corporation office for the latest information. Please refrain from unauthorized reproduction or copying of the contents of this publication.The names of our products and services shown in this publication are trademarks or registered trademarks of Nippon Steel & Sumitomo Metal Corporation, affiliated companies, or third parties granting rights to Nippon Steel & Sumitomo Metal Corporation or affiliated companies. Other product or service names shown may be trademarks or registered trademarks of their respective owners.

  • 2 3

    PRODUCTDESIGNATIONSANDAPPLICATIONS

    ORIENTCORETM ZORIENTCORE is the product which arranged the easy magnetizing direction of the crystal in the rolling direction. It has excellent magnetic properties in this direction and is widely used in the cores of transformers, large power Generators and other electrical equipment.

    Z

    ORIENTCORETM Z

    ORIENTCOREHI-BTM ZHORIENTCOREHI-B has much improved crystal orientation than ORIENTCORE. It offers higher permeability and lower core loss. It is widely used the cores of large and small transformers.

    ZH

    ORIENTCOREHI-BTM ZH ORIENTCORE

    ORIENTCOREHI-BTMLS ZDKHORIENTCOREHI-BLS is an electrical steel developed from the mother product ORIENTCOREHI-B by irradiating the surface with a laser beam so as to refine the magnetic domain. It is most suitable for the cores in large transformers, where it is used without stress-relief annealing that negates the effect of laser beam irradiation.

    ZDKH

    ORIENTCOREHI-BTMLS ZDKH ORIENTCOREHI-B

    ORIENTCOREHI-BTMPM ZDMHORIENTCOREHI-BPM is the product which can achieve low core loss by magnetic domain-refining method. i.e. surface treatment of ORIENTCOREHI-B. This product can withstand stress-relief annealing(up to approximately 800C in a non-oxidizing atmosphere), therefore ORIENTCOREHI-BPM can be used widely not only for electric power transformer but also for various kinds of transformers.

    ZDMH800 )

    ORIENTCOREHI-BTMPM ZDMH ORIENTCOREHI-BPM 800

    HILITECORETM HHILITECORE is widely used in the cores of rotating machines, such as large generators, through to small precision motors and has uniform magnetic properties in all directions. The property is also suitable for small transformers.

    H

    HILITECORETM H

    HOMECORETM HHOMECORE which has higher induction, is used for small motors and transformers.

    H

    HOMECORETM H HILITECORE

    HIEXCORETM HX (HILITECORE for high efficiency motor)HIEXCORE has low core loss at high frequencies, as well as high induction, and is widely used for small or large high efficient rotating machines. Our full line-up includes product types differentiated by specific magnetic properties.

    TMHX

    HIEXCORETM HX (HILITECORE for high efficiency motor)

    HIGH TENSILE STRENGTH HILITECORETM HXTHIGH TENSILE STRENGTH HILITECORE is a strong solution when mechanically robust product is requites such as high speed rotating machines, tensile strength is also guaranteed. This products are widely used for small or large high speed rotating machines. Our full line-up includes product types differentiated by specific tensile strength and magnetic properties.

    HXT

    HIGH TENSILE STRENGTH HILITECORETM HXT

    GRAIN-ORIENTEDELECTRICALSTEELSHEETS

    NON-ORIENTEDELECTRICALSTEELSHEETS

  • 4 5

    PRODUCTDESIGNATIONSANDAPPLICATIONS

    Applications

    GRAIN-ORIENTED

    NON-ORIENTED

    ORIENTCORE

    Z

    ORIENTCOREHI-B

    ZH

    ORIENTCOREHI-BLS

    ZDKH

    ORIENTCOREHI-BPM

    ZDMH

    HILITECORE

    35H21035H36050H23050H400

    HILITECORE

    35H44050H47050H600

    HOMECORE50H70050H800

    HOMECORE50H100050H1300

    HIEXCORE

    HIGH TENSILESTRENGTHHILITECORE

    Rotating Machines

    Large rotating machines

    Medium rotating machines

    General use A-C motors

    Hermetically sealed motors

    Household motors

    Small precision motors

    Electric vehicle motors

    High speed rotating machines

    Static Machines

    Large power transformers

    Medium and small power transformers

    Distribution Transformers

    Reactors and magnetic amplifiers

    Small transformers

    Current and potential transformers

    Ballast

    Welding transformers

  • 6 7

    GRAIN-ORIENTEDELECTRICALSTEELSHEETS

    Type Assumed Density

    kgd3

    Core Loss

    InductionT

    Laminationfactor%

    Number ofBends

    Product

    Grade

    Thicknessmm

    Wkg Wlb

    W1750 B8 L

    ORIENTCORE

    23Z110 0.23 7.65 1.10 0.49 1.80 94.5 1

    27Z1200.27

    7.65 1.20 0.54 1.80 95.0 1

    27Z130 7.65 1.30 0.58 1.80 95.0 1

    30Z120

    0.30

    7.65 1.20 0.54 1.80 95.5 1

    30Z130 7.65 1.30 0.58 1.80 95.5 1

    30Z140 7.65 1.40 0.63 1.80 95.5 1

    35Z135

    0.35

    7.65 1.35 0.61 1.80 96.0 1

    35Z145 7.65 1.45 0.65 1.80 96.0 1

    35Z155 7.65 1.55 0.70 1.80 96.0 1

    ORIENTCOREHI-B

    23ZH85

    0.23

    7.65 0.85 0.38 1.88 94.5 1

    23ZH90 7.65 0.90 0.40 1.88 94.5 1

    23ZH95 7.65 0.95 0.43 1.88 94.5 1

    23ZH100 7.65 1.00 0.45 1.88 94.5 1

    27ZH90

    0.27

    7.65 0.90 0.40 1.88 95.0 1

    27ZH95 7.65 0.95 0.43 1.88 95.0 1

    27ZH100 7.65 1.00 0.45 1.88 95.0 1

    27ZH110 7.65 1.10 0.49 1.88 95.0 1

    30ZH95

    0.30

    7.65 0.95 0.43 1.88 95.5 1

    30ZH100 7.65 1.00 0.45 1.88 95.5 1

    30ZH105 7.65 1.05 0.47 1.88 95.5 1

    30ZH110 7.65 1.10 0.49 1.88 95.5 1

    30ZH120 7.65 1.20 0.54 1.88 95.5 1

    35ZH110

    0.35

    7.65 1.10 0.49 1.88 96.0 1

    35ZH115 7.65 1.15 0.52 1.88 96.0 1

    35ZH125 7.65 1.25 0.56 1.88 96.0 1

    35ZH135 7.65 1.35 0.61 1.88 96.0 1Tests are conducted in accordance with JIS C 2550:2000, core loss and Induction are measured by using specimens taken longitudinal to the rolling direction after stress-relief annealing.L:specimens taken longitudinal to the rolling directionJIS C 2550:2000 LJIS C 2550:2000L

    GradeandSpecification.

    SizeandFormTolerances..

    Widthmm

    Thicknessmm

    ThicknessTolerancemm

    Thickness Deviationin Crosswise

    Directionmm

    Width Tolerancemm

    Cambermm

    2m 2

    Burr Heightmm

    Under 150150150

    0.23 0.02

    0.02

    00.2

    0.9 0.025

    0.273035 0.03

    Over 150 to 400150400150400

    0.23 0.02 00.30.273035 0.03

    Over 400 to 750400750400750

    0.23 0.02 00.50.273035 0.03

    Over 750750750

    0.23 0.02 00.60.273035 0.03

    ORIENTCORETM ZORINETCORE HI-BTM ZH Z ZH

  • 8 9

    GRAIN-ORIENTEDELECTRICALSTEELSHEETS

    Type Assumed Density

    kgd3

    Resistivity108m

    Core Loss Wkg Wlb

    InductionT

    Grade

    Thicknessmm

    W1550 W1750 W1560 W1760 B8 B25

    23Z110 0.23 7.65 50 0.710.321.06

    0.480.91

    0.411.35

    0.61 1.88 1.94

    27Z1200.27

    7.65 48 0.790.361.15

    0.521.03

    0.471.48

    0.67 1.88 1.94

    27Z130 7.65 48 0.830.381.23

    0.561.07

    0.491.56

    0.71 1.88 1.94

    30Z120

    0.30

    7.65 48 0.820.371.17

    0.531.07

    0.491.52

    0.69 1.88 1.94

    30Z130 7.65 48 0.860.391.25

    0.571.12

    0.511.60

    0.72 1.88 1.94

    30Z140 7.65 48 0.900.411.33

    0.601.19

    0.541.70

    0.77 1.88 1.94

    35Z135

    0.35

    7.65 48 0.940.431.33

    0.601.24

    0.561.74

    0.79 1.88 1.94

    35Z145 7.65 48 0.980.441.39

    0.631.29

    0.591.81

    0.82 1.88 1.94

    35Z155 7.65 48 1.010.461.46

    0.661.33

    0.601.90

    0.86 1.88 1.94

    23ZH85

    0.23

    7.65 50 0.610.280.83

    0.370.80

    0.361.09

    0.49 1.92 1.95

    23ZH90 7.65 50 0.630.290.87

    0.390.82

    0.371.12

    0.51 1.92 1.96

    23ZH95 7.65 50 0.640.290.90

    0.410.83

    0.381.16

    0.53 1.91 1.95

    23ZH100 7.65 50 0.660.300.93

    0.420.85

    0.391.20

    0.54 1.90 1.94

    27ZH90

    0.27

    7.65 48 0.660.300.89

    0.400.88

    0.401.18

    0.54 1.92 1.96

    27ZH95 7.65 48 0.690.310.93

    0.420.91

    0.411.22

    0.55 1.92 1.96

    27ZH100 7.65 48 0.700.320.96

    0.440.92

    0.421.25

    0.57 1.91 1.96

    27ZH110 7.65 48 0.740.341.03

    0.470.97

    0.441.34

    0.61 1.90 1.95

    Type Assumed Density

    kgd3

    Resistivity108m

    Core Loss Wkg Wlb

    InductionT

    Grade

    Thicknessmm

    W1550 W1750 W1560 W1760 B8 B25

    30ZH95

    0.30

    7.65 48 0.710.320.94

    0.420.94

    0.421.24

    0.56 1.91 1.96

    30ZH100 7.65 48 0.720.330.98

    0.440.95

    0.431.28

    0.58 1.92 1.96

    30ZH105 7.65 48 0.740.341.01

    0.460.98

    0.441.32

    0.60 1.91 1.96

    30ZH110 7.65 48 0.760.341.05

    0.481.00

    0.451.37

    0.62 1.90 1.95

    30ZH120 7.65 48 0.810.371.12

    0.511.07

    0.491.46

    0.66 1.90 1.95

    35ZH110

    0.35

    7.65 46 0.810.371.06

    0.481.08

    0.491.41

    0.64 1.92 1.96

    35ZH115 7.65 46 0.840.381.12

    0.511.12

    0.511.50

    0.68 1.92 1.96

    35ZH125 7.65 46 0.910.411.21

    0.551.21

    0.551.62

    0.73 1.92 1.96

    35ZH135 7.65 46 0.950.431.27

    0.581.26

    0.571.69

    0.77 1.91 1.96

    Tests were conducted in accordance with JIS C 2550:2000, core loss and Induction were measured by using specimens taken longitudinal to the rolling direction after stress-relief annealing.JIS C 2550:2000JIS C 2550:2000

    TypicalElectricalandMagneticProperties..

    TypicalMechanicalPropertiesandLaminationFactor..

    Type Tensile StrengthNmm2

    Yield PointNmm2

    Elongation%

    HardnessHv

    Number ofBends

    LaminationFactor%

    Grade

    Thicknessmm

    L C L C L C L C

    ORIENTCORE

    Z

    0.23 343 392 333 353 5 34 179 24 12 98.0

    0.27 353 392 333 353 8 30 181 23 18 98.5

    0.30 343 382 324 343 10 33 177 24 21 98.7

    0.35 343 392 324 353 12 32 181 29 19 98.7

    ORIENTCOREHI-B

    ZH

    0.23 363 412 353 363 5 30 188 14 9 97.7

    0.27 353 412 343 373 9 33 182 21 21 98.1

    0.30 343 402 333 363 8 34 181 21 16 98.3

    0.35 333 392 324 343 15 33 174 24 22 98.5Tests were conducted in accordance with JIS C 2550:2000 L :specimens taken longitudinal to the rolling direction C:specimens taken transverse to the rolling direction JIS C 2550:2000LCJIS C 2550:2000LC

  • 10 11

    GRAIN-ORIENTEDELECTRICALSTEELSHEETS

    Type Assumed Density

    kgd3

    Core Loss

    InductionT

    Laminationfactor%

    Number ofBends

    Product

    Grade

    Thicknessmm

    Wkg Wlb

    W1550 B8 L

    ORIENTCORE

    M-1

    0.23

    7.65 0.71 0.32 1.80 94.5 1

    M-2 7.65 0.75 0.34 1.80 94.5 1

    M-3 7.65 0.79 0.35 1.80 94.5 1

    M-30.27

    7.65 0.83 0.37 1.80 95.0 1

    M-4 7.65 0.89 0.40 1.80 95.0 1

    M-3

    0.30

    7.65 0.85 0.38 1.80 95.5 1

    M-4 7.65 0.90 0.40 1.80 95.5 1

    M-5 7.65 0.97 0.43 1.80 95.5 1

    M-50.35

    7.65 1.01 0.45 1.80 96.0 1

    M-6 7.65 1.11 0.50 1.80 96.0 1

    GradeandSpecification..

    SizeandFormTolerances..

    Widthmm

    Thicknessmm

    ThicknessTolerancemm

    Thickness Deviationin Crosswise

    Directionmm

    Width Tolerancemm

    Cambermm

    2m 2

    Burr Heightmm

    Under 150150150

    0.23 0.02

    0.02

    00.2

    0.9 0.025

    0.273035 0.03

    Over 150 to 400150400150400

    0.23 0.02 00.30.273035 0.03

    Over 400 to 750400750400750

    0.23 0.02 00.50.273035 0.03

    Over 750750750

    0.23 0.02 00.60.273035 0.03

    Type Assumed Density

    kgd3

    Core Loss

    InductionT

    Laminationfactor%

    Number ofBends

    Product

    Grade

    Thicknessmm

    Wkg Wlb

    W1750 B8 L

    ORIENTCOREHI-B

    M-0H 0.23 7.65 1.00 0.45 1.88 94.5 1

    M-0H0.27

    7.65 1.03 0.46 1.88 95.0 1

    M-1H 7.65 1.09 0.49 1.88 95.0 1

    M-0H0.30

    7.65 1.05 0.47 1.88 95.5 1

    M-1H 7.65 1.11 0.50 1.88 95.5 1

    M-1H 0.35 7.65 1.16 0.52 1.88 96.0 1Tests are conducted in accordance with JIS C 2550:2000, core loss and Induction are measured by using specimens taken longitudinal to the rolling direction after stress-relief annealing.L:specimens taken longitudinal to the rolling directionJIS C 2550:2000 LJIS C 2550:2000L

    ORIENTCORETM ZORINETCORE HI-BTM ZH Z ZH

  • 12 13

    GRAIN-ORIENTEDELECTRICALSTEELSHEETS

    TypicalElectricalandMagneticProperties...

    Type Assumed Density

    kgd3

    Resistivity108m

    Core Loss Wkg Wlb

    InductionT

    Grade

    Thicknessmm

    W1550 W1750 W1560 W1760 B8 B25

    M-1

    0.23 7.65

    50 0.69 1.02 0.88 1.30 1.88 1.94 0.31 0.46 0.40 0.59

    M-2 50 0.73 1.08 0.93 1.37 1.88 1.94 0.33 0.49 0.42 0.62

    M-3 50 0.76 1.12 0.97 1.43 1.88 1.94 0.34 0.51 0.44 0.65

    M-30.27 7.65

    48 0.79 1.15 1.03 1.48 1.88 1.94 0.36 0.52 0.47 0.67

    M-4 48 0.83 1.17 1.09 1.52 1.89 1.94 0.38 0.53 0.49 0.69

    M-3

    0.30 7.65

    48 0.83 1.19 1.08 1.54 1.88 1.94 0.38 0.54 0.49 0.70

    M-4 48 0.86 1.24 1.12 1.61 1.88 1.94 0.39 0.56 0.51 0.73

    M-5 48 0.89 1.29 1.17 1.68 1.88 1.94 0.40 0.59 0.53 0.76

    M-50.35 7.65

    48 0.96 1.35 1.26 1.76 1.88 1.94 0.44 0.61 0.57 0.80

    M-6 48 1.01 1.46 1.32 1.90 1.88 1.94 0.46 0.66 0.60 0.86

    M-0H 0.23 7.65 50 0.64 0.88 0.84 1.16 1.90 1.94 0.29 0.40 0.38 0.53

    M-0H0.27 7.65

    48 0.71 0.97 0.94 1.27 1.91 1.96 0.32 0.44 0.43 0.58

    M-1H 48 0.74 1.03 0.97 1.34 1.90 1.95 0.34 0.47 0.44 0.61

    M-0H0.30 7.65

    48 0.74 1.01 0.97 1.32 1.91 1.96 0.34 0.46 0.44 0.60

    M-1H 48 0.77 1.06 1.01 1.39 1.90 1.95 0.35 0.48 0.46 0.63

    M-1H 0.35 7.65 46 0.85 1.13 1.13 1.52 1.92 1.96 0.39 0.51 0.51 0.69Tests were conducted in accordance with JIS C 2550:2000, core loss and Induction were measured by using specimens taken longitudinal to the rolling direction after stress-relief annealing.JIS C 2550:2000JIS C 2550:2000

    TypicalMechanicalPropertiesandLaminationFactor..

    Type Tensile StrengthNmm2

    Yield PointNmm2

    Elongation%

    HardnessHv

    Number ofBends

    LaminationFactor%

    Grade

    Thicknessmm

    L C L C L C L C

    ORIENTCORE

    M-16

    0.23 343 392 333 353 5 34 179 24 12 98.0

    0.27 353 392 333 353 8 30 181 23 18 98.5

    0.30 343 382 324 343 10 33 177 24 21 98.7

    0.35 343 392 324 353 12 32 181 29 19 98.7

    ORIENTCOREHI-B

    M-0H1H

    0.23 363 412 353 363 5 30 188 14 9 97.7

    0.27 353 412 343 373 9 33 182 21 21 98.1

    0.30 343 402 333 363 8 34 181 21 16 98.3

    0.35 333 392 324 343 15 33 174 24 22 98.5Tests were conducted in accordance with JIS C 2550:2000 L :specimens taken longitudinal to the rolling direction C:specimens taken transverse to the rolling direction JIS C 2550:2000LCJIS C 2550:2000LC

  • 14 15

    GRAIN-ORIENTEDELECTRICALSTEELSHEETS

    ORIENTCORE HI-BTMLS ZDKH ZDKH

    Type Assumed Density

    kgd3

    Core Loss

    InductionT

    Laminationfactor%

    Number ofBends

    Product

    Grade

    Thicknessmm

    Wkg Wlb

    W1750 B8 L

    ORIENTCOREHI-BLS

    23ZDKH75

    0.23

    7.65 0.75 0.34 1.88 94.5 1

    23ZDKH80 7.65 0.80 0.36 1.88 94.5 1

    23ZDKH85 7.65 0.85 0.38 1.88 94.5 1

    23ZDKH90 7.65 0.90 0.40 1.88 94.5 1

    27ZDKH85

    0.27

    7.65 0.85 0.38 1.88 95.0 1

    27ZDKH90 7.65 0.90 0.40 1.88 95.0 1

    27ZDKH95 7.65 0.95 0.43 1.88 95.0 1Tests for core loss and induction are conducted using as-sheared single sheet test samples without stress-relief annealing. Tesing methods are in accordance with IEC404-3:1982 for core loss, IEC404-3:1982 or JEM 1432:1988 for induction. Tests for the lamination factor and bending are conducted in accordance with JIS C 2550:2000.

    SSTIEC404-3:1982IEC404-3:1982 JEM 1432:1988 JIS C 2550:2000SSTIEC404-3:1982IEC404-3:1982JEM 1432:1988JIS C 2550:2000

    Type Assumed Density

    kgd3

    Core Loss

    InductionT

    Laminationfactor%

    Number ofBends

    Product

    Grade

    Thicknessmm

    Wkg Wlb

    W1750 B8 L

    ORIENTCOREHI-BPM

    23ZDMH80

    0.23

    7.65 0.80 0.36 1.87 94.5 1

    23ZDMH85 7.65 0.85 0.38 1.87 94.5 1

    23ZDMH90 7.65 0.90 0.40 1.87 94.5 1

    Tests are conducted in accordance with JIS C 2550:2000. core loss and Induction are measured by using specimens taken longitudinal to the rolling direction after stress-relief annealing.L:specimens taken longitudinal to the rolling directionJIS C 2550:2000LJIS C 2550:2000L

    GradeandSpecification..

    SizeandFormTolerances..

    Widthmm

    Thicknessmm

    ThicknessTolerancemm

    Thickness Deviationin Crosswise

    Directionmm

    Width Tolerancemm

    Cambermm

    2m 2

    Burr Heightmm

    Under 150150150

    0.23 0.02

    0.02

    00.2

    0.9 0.025

    0.27 0.03

    Over 150 to 400150400150400

    0.23 0.02 00.30.27 0.03

    Over 400 to 750400750400750

    0.23 0.02 00.50.27 0.03

    Over 750750750

    0.23 0.02 00.60.27 0.03

    ORINETCORE HI-BTMPM ZDMH ZDMH

    GradeandSpecification..

  • 16 17

    Type Assumed Density

    kgd3

    Resistivity108m

    Core Loss Wkg Wlb

    InductionT

    Grade

    Thicknessmm

    W1550 W1750 W1560 W1760 B8 B25

    23ZDKH75

    0.23

    7.65 50 0.54 0.72 0.72 0.95 1.92 1.950.24 0.33 0.33 0.43

    23ZDKH80 7.65 50 0.55 0.75 0.73 0.97 1.92 1.950.25 0.34 0.33 0.44

    23ZDKH85 7.65 50 0.57 0.78 0.75 1.01 1.91 1.950.26 0.35 0.34 0.46

    23ZDKH90 7.65 50 0.60 0.83 0.79 1.08 1.91 1.950.27 0.38 0.36 0.49

    27ZDKH85

    0.27

    7.65 48 0.61 0.81 0.81 1.07 1.92 1.950.28 0.37 0.37 0.49

    27ZDKH90 7.65 48 0.63 0.84 0.84 1.11 1.91 1.950.29 0.38 0.38 0.50

    27ZDKH95 7.65 48 0.66 0.88 0.88 1.16 1.91 1.950.30 0.40 0.40 0.53Tests for core loss and induction were conducted using as-sheared single sheet test samples without stress-relief annealing. Tesing methods were in accordance with IEC404-3:1982 for core loss, JEM 1432:1988 for induction.SSTIEC404-3:1982JEM 1432:1988 SSTIEC404-3:1982JEM 1432:1988

    Type Assumed Density

    kgd3

    Resistivity108m

    Core Loss Wkg Wlb

    InductionT

    Grade

    Thicknessmm

    W1550 W1750 W1560 W1760 B8 B25

    23ZDMH80

    0.23

    7.65 50 0.55 0.75 0.73 0.97 1.91 1.94 0.25 0.34 0.33 0.44

    23ZDMH85 7.65 50 0.57 0.78 0.75 1.01 1.91 1.940.26 0.35 0.34 0.46

    23ZDMH90 7.65 50 0.60 0.83 0.79 1.08 1.91 1.94 0.27 0.38 0.36 0.49Tests were conducted in accordance with JIS C 2550:2000, core loss and Induction were measured by using specimens taken longitudinal to the rolling direction after stress-relief annealing.JIS C 2550:2000JIS C 2550:2000

    Typical Electrical and Magnetic Properties

    Typical Mechanical Properties and Lamination Factor

    Type Tensile StrengthNmm2

    Yield PointNmm2

    Elongation%

    HardnessHv

    Number of Bends

    LaminationFactor%

    Grade

    Thicknessmm

    L C L C L C L C

    ZDKH0.23 363 412 353 373 8 28 189 15 8 97.5

    0.27 353 412 343 373 9 32 182 19 11 98.0

    ZDMH 0.23 364 427 329 363 6 31 187 31 12 97.0Tests were conducted in accordance with JIS C 2550:2000L :specimens taken longitudinal to the rolling directionC:specimens taken transverse to the rolling directionJIS C 2550:2000LCJIS C 2550:2000LC

    GRAIN-ORIENTED ELECTRICAL STEEL SHEETS

  • 18 19

    NON-ORIENTED ELECTRICAL STEEL SHEETS

    Type Assumed Density

    kgd3

    Core LossWkg

    InductionT

    Laminationfactor%

    Number ofBends

    Product

    Grade

    Thicknessmm

    W1550 B50 C

    HILITECORE

    35H210

    0.35

    7.60 2.10 1.62 95.0 2

    35H230 7.60 2.30 1.62 95.0 2

    35H250 7.60 2.50 1.62 95.0 2

    35H270 7.65 2.70 1.64 95.0 2

    35H300 7.65 3.00 1.64 95.0 3

    35H360 7.65 3.60 1.64 95.0 3

    35H440 7.70 4.40 1.65 95.0 3

    50H230

    0.50

    7.60 2.30 1.62 96.0 2

    50H250 7.60 2.50 1.62 96.0 2

    50H270 7.60 2.70 1.62 96.0 2

    50H290 7.60 2.90 1.62 96.0 2

    50H310 7.65 3.10 1.62 96.0 3

    50H350 7.65 3.50 1.65 96.0 5

    50H400 7.65 4.00 1.65 96.0 5

    50H470 7.70 4.70 1.65 96.0 10

    50H600 7.75 6.00 1.66 96.0 10

    HOMECORE

    50H700 7.80 7.00 1.70 96.0 10

    50H800 7.80 8.00 1.72 96.0 10

    50H1000 7.85 10.00 1.72 96.0 10

    50H1300 7.85 13.00 1.72 96.0 10Tests are conducted in accordance with JIS C 2550:2000 using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.C:specimens taken transverse to the rolling directionJIS C 2550:2000CJIS C 2550:2000C

    Grade and Specification

    Size and Form Tolerances

    Widthmm

    Thicknessmm

    ThicknessTolerance

    %

    Thickness Deviationin Crosswise

    Directionmm

    Width Tolerancemm

    Cambermm

    2m 2

    Over 30 to 1503015030150

    0.35

    8

    0.02

    0.2

    1.0

    0.50 0

    Over 150 to 300150300150300

    0.35 0.3

    0.50 0

    Over 300 to 600300600300600

    0.35 0.5

    0.50 0

    Over 600 to 100060010006001000

    0.35 1.0

    0.50 0

    Over 1000 to 12501000125010001250

    0.350.03

    1.5

    0.50 0

    HILITECORETM H HOMECORETM H H H

  • 20 21

    Typical Electrical and Magnetic Properties

    Typical Mechanical Properties and Lamination Factor

    Type Assumed Density

    kgd3

    Resistivity108m

    Core LossWkg

    InductionT

    Grade

    Thicknessmm

    W1050 W1550 W1060 W1560 B25 B50

    35H210

    0.35

    7.60 59 0.81 2.00 1.03 2.54 1.56 1.66

    35H230 7.60 59 0.85 2.10 1.08 2.67 1.56 1.66

    35H250 7.60 56 0.91 2.25 1.15 2.84 1.56 1.66

    35H270 7.65 54 0.99 2.30 1.24 2.87 1.58 1.67

    35H300 7.65 52 1.11 2.55 1.39 3.19 1.58 1.67

    35H360 7.65 45 1.26 2.80 1.56 3.48 1.59 1.68

    35H440 7.70 39 1.41 3.10 1.74 3.84 1.62 1.70

    50H230

    0.50

    7.60 63 0.96 2.26 1.23 2.90 1.57 1.67

    50H250 7.60 59 1.01 2.39 1.31 3.09 1.57 1.67

    50H270 7.60 59 1.05 2.50 1.35 3.22 1.57 1.67

    50H290 7.60 56 1.14 2.60 1.47 3.37 1.58 1.67

    50H310 7.65 54 1.20 2.70 1.55 3.48 1.58 1.67

    50H350 7.65 52 1.31 2.90 1.65 3.69 1.58 1.68

    50H400 7.65 45 1.47 3.20 1.87 4.09 1.61 1.68

    50H470 7.70 39 1.64 3.50 2.05 4.42 1.63 1.69

    50H600 7.75 32 2.02 4.50 2.54 5.70 1.62 1.70

    50H700 7.80 27 2.67 5.70 3.33 7.16 1.65 1.73

    50H800 7.80 23 2.96 6.30 3.72 8.00 1.66 1.74

    50H1000 7.85 17 3.30 7.00 4.17 8.94 1.68 1.76

    50H1300 7.85 14 3.79 8.00 4.79 10.22 1.68 1.76Tests were conducted in accordance with JIS C 2550:2000 using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.JIS C 2550:2000JIS C 2550:2000

    Type Tensile StrengthNmm2

    Yield PointNmm2

    Elongation%

    HardnessHv

    Number ofBends

    LaminationFactor%

    Grade

    Thicknessmm

    L C L C L C L C

    35H210

    0.35

    481 500 412 441 15 14 199 6 7 98.0

    35H230 539 559 441 461 14 16 213 9 8 98.0

    35H250 500 520 402 412 19 21 202 10 9 98.0

    35H270 530 539 412 431 22 25 193 15 12 98.0

    35H300 520 530 382 392 24 25 187 24 20 98.0

    35H360 471 481 333 343 29 30 164 31 27 98.0

    35H440 451 471 304 314 30 32 157 30 25 98.0

    50H230

    0.50

    530 549 441 461 14 20 205 6 6 98.5

    50H250 530 539 431 441 15 17 198 7 7 98.5

    50H270 549 569 451 461 14 16 214 7 6 98.5

    50H290 539 559 441 451 18 19 201 12 11 98.5

    50H310 539 549 412 431 23 26 192 13 12 98.5

    50H350 520 539 392 402 26 28 187 15 14 98.5

    50H400 461 471 324 333 28 31 163 27 24 98.5

    50H470 451 461 304 314 32 34 155 30 27 98.5

    50H600 431 441 284 294 32 34 136 30 27 98.5

    50H700 412 422 284 294 33 34 124 27 22 98.5

    50H800 392 402 275 284 33 34 120 35 28 98.5

    50H1000 382 392 275 284 34 34 117 35 30 98.5

    50H1300 363 373 275 275 35 35 112 37 32 98.5Tests were conducted in accordance with JIS C 2550:2000L :specimens taken longitudinal to the rolling directionC:specimens taken transverse to the rolling directionJIS C 2550:2000LCJIS C 2550:2000LC

    NON-ORIENTED ELECTRICAL STEEL SHEETS

  • 22 23

    Type Assumed Density

    kgd3

    Core LossWkg

    InductionT

    Laminationfactor%

    Product

    Grade

    Thicknessmm

    W1550 B50

    HIEXCORE

    35HX230

    0.35

    7.65 2.30 1.66 95.0

    35HX250 7.65 2.50 1.67 95.0

    35HX300 7.70 3.00 1.69 95.0

    50HX290

    0.50

    7.65 2.90 1.67 96.0

    50HX350 7.70 3.50 1.70 96.0

    50HX470 7.75 4.70 1.72 96.0

    50HX600 7.75 6.00 1.72 96.0

    Type Assumed Density

    kgd3

    Core LossWkg

    InductionT

    Laminationfactor%

    Product

    Grade

    Thicknessmm

    W10400 B50

    THINNER GAUGEHIEXCORE

    15HX1000 0.15 7.60 10.0 1.60 90.0

    20HX12000.20

    7.60 12.0 1.61 93.0

    20HX1300 7.65 13.0 1.62 93.0

    27HX15000.27

    7.60 15.0 1.62 94.5

    27HX1800 7.70 18.0 1.66 94.5

    30HX16000.30

    7.65 16.0 1.62 94.5

    30HX1800 7.65 18.0 1.66 94.5Tests are conducted in accordance with JIS C 2550:2000 using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.JIS C 2550:2000JIS C 2550:2000

    NON-ORIENTED ELECTRICAL STEEL SHEETS

    HIEXCORETMTHINNER GAUGE HIEXCORETM HXTMTM HX

    Grade and Specification

    Size and Form Tolerances

    Widthmmin

    Thicknessmm

    ThicknessTolerance

    %

    Thickness Deviationin Crosswise

    Directionmm

    Width Tolerancemm

    Cambermm

    2m 2

    Over 30 to 1503015030150

    0.27

    8

    0.02

    0.2

    1.0

    0

    Over 150 to 300150300150300

    0.30

    0.3

    0

    Over 300 to 600300600300600

    0.35

    0.5

    0

    Over 600 to 100060010006001000

    0.50

    1.0

    0

    Over 1000 to 12501000125010001250 0.03

    1.5

    0

    150 or under150150

    0.15

    10 0.02

    0.4

    2.00

    Over 150 to 300150300150300

    0.5

    0

    Over 300 to 600300600300600

    0.20

    0.7

    1.00

    Over 600600600

    1.0

    0

  • 24 25

    NON-ORIENTED ELECTRICAL STEEL SHEETS

    Type Assumed Density

    kgd3

    Resistivity108m

    Core LossWkg

    InductionT

    Grade

    Thicknessmm

    W1050 W1550 W1060 W1560 W10400 W10800 B25 B50 B100

    35HX230

    0.35

    7.65 54 0.91 2.12 1.14 2.66 16.1 48.4 1.60 1.69 1.80

    35HX250 7.65 49 0.98 2.23 1.24 2.79 17.7 53.9 1.61 1.70 1.81

    35HX300 7.70 44 1.09 2.41 1.36 3.02 18.4 55.1 1.64 1.72 1.82

    50HX290

    0.50

    7.65 49 1.12 2.54 1.44 3.28 26.2 84.1 1.61 1.70 1.81

    50HX350 7.70 37 1.39 3.06 1.77 3.90 29.2 93.7 1.66 1.74 1.84

    50HX470 7.75 38 1.51 3.21 1.92 4.09 31.1 98.8 1.66 1.74 1.84

    50HX600 7.75 32 1.70 3.62 2.16 4.63 35.9 116.5 1.67 1.75 1.85Tests were conducted in accordance with JIS C 2550:2000 using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.JIS C 2550:2000JIS C 2550:2000

    Typical Electrical and Magnetic Properties

    Typical Mechanical properties and Lamination factor

    Type Tensile StrengthNmm2

    Yield PointNmm2

    Elongation%

    HardnessHv

    Number of Bends

    LaminationFactor%

    Grade

    Thicknessmm

    L C L C L C L C

    35HX230

    0.35

    508 522 372 380 23 23 194 30 30 98.0

    35HX250 480 493 335 344 22 25 182 30 30 98.0

    35HX300 470 480 330 330 27 26 166 30 30 98.0

    50HX290

    0.50

    472 486 328 337 25 27 185 30 30 98.5

    50HX350 368 385 232 237 31 35 140 30 30 98.5

    50HX470 403 416 272 277 33 35 135 30 30 98.5

    50HX600 379 392 239 240 35 35 125 30 30 98.5Tests were conducted in accordance with JIS C 2550:2000L :specimens taken longitudinal to the rolling directionC:specimens taken transverse to the rolling directionJIS C 2550:2000LCJIS C 2550:2000LC

    Typical Electrical and Magnetic Properties

    Typical Mechanical Properties and Lamination Factor

    Type Tensile StrengthNmm2

    Yield PointNmm2

    Elongation%

    HardnessHv

    Number of Bends

    LaminationFactor%

    Grade

    Thicknessmm

    L C L C L C L C

    15HX1000 0.15 509 510 413 424 12 7 200 30 30 96.0

    20HX12000.20

    498 514 419 426 9 9 201 30 30 97.0

    20HX1300 500 510 382 402 22 21 198 30 30 97.0

    27HX15000.27

    469 494 357 369 22 25 198 30 30 98.0

    27HX1800 438 457 311 315 22 22 175 30 30 98.0

    30HX16000.30

    510 521 393 403 14 13 202 30 30 98.0

    30HX1800 501 514 371 377 21 22 193 30 30 98.0Tests were conducted in accordance with JIS C 2550:2000L :specimens taken longitudinal to the rolling directionC:specimens taken transverse to the rolling directionJIS C 2550:2000LCJIS C 2550:2000LC

    Type Assumed Density

    kgd3

    Resistivity108m

    Core LossWkg

    InductionT

    Grade

    Thicknessmm

    W1050 W1550 W1060 W1560 W10400 W10800 B25 B50 B100

    15HX1000 0.15 7.60 63 0.80 1.98 0.98 2.42 9.4 23.9 1.51 1.61 1.74

    20HX12000.20

    7.60 63 0.82 1.97 1.01 2.43 10.8 29.0 1.53 1.63 1.76

    20HX1300 7.65 54 0.94 2.24 1.15 2.74 11.9 31.5 1.55 1.64 1.77

    27HX15000.27

    7.60 60 1.07 2.42 1.31 2.96 14.4 40.0 1.58 1.67 1.78

    27HX1800 7.70 41 1.08 2.46 1.34 3.06 16.7 47.7 1.63 1.72 1.82

    30HX16000.30

    7.65 61 0.82 1.98 1.02 2.47 13.6 39.9 1.56 1.66 1.78

    30HX1800 7.65 54 0.84 2.05 1.06 2.55 14.0 41.0 1.58 1.68 1.80Tests were conducted in accordance with JIS C 2550:2000 using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.JIS C 2550:2000JIS C 2550:2000

  • 26 27

    NON-ORIENTED ELECTRICAL STEEL SHEETS

    Grade and Specification

    Size and Form Tolerances

    Widthmm

    Thicknessmm

    ThicknessTolerance

    %

    Thickness Deviationin Crosswise

    Directionmm

    Width Tolerancemm

    Cambermm

    2m 2

    Over 30 to 1503015030150

    0.35

    8

    0.02

    0.2

    1.0

    0.50 0

    Over 150 to 300150300150300

    0.35 0.3

    0.50 0

    Over 300 to 600300600300600

    0.35 0.5

    0.50 0

    Over 600 to 100060010006001000

    0.35 1.0

    0.50 0

    Over 1000 to 12501000125010001250

    0.350.03

    1.5

    0.50 0

    Type Assumed Density

    kgd3

    Resistivity108m

    Core LossWkg

    InductionT

    Grade

    Thicknessmm

    W1050 W1550 W1060 W1560 W10400 W10800 B25 B50 B100

    35HXT590T

    0.35

    7.65 54 4.32 8.84 5.21 10.69 41.0 96.7 1.56 1.65 1.77

    35HXT680T 7.65 54 4.81 9.81 5.80 11.86 44.6 104.3 1.55 1.65 1.77

    35HXT780T 7.60 56 4.68 9.57 5.64 11.59 45.9 107.7 1.53 1.63 1.75

    50HXT590T0.50

    7.65 54 4.33 8.90 5.26 10.84 47.6 125.2 1.56 1.66 1.78

    50HXT780T 7.60 56 4.90 9.95 5.93 12.10 52.4 135.3 1.53 1.63 1.75Tests were conducted in accordance with JIS C 2550:2000 using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.JIS C 2550:2000JIS C 2550:2000

    Typical Electrical and Magnetic Properties

    Typical Mechanical Properties and Lamination Factor

    Type Tensile StrengthNmm2

    Yield PointNmm2

    Elongation%

    HardnessHv

    LaminationFactor%

    Grade

    Thicknessmm

    L C L C L C

    35HXT590T

    0.35

    678 690 659 669 24 22 233 98.0

    35HXT680T 725 739 718 733 21 21 239 98.0

    35HXT780T 822 839 860 882 18 19 285 98.0

    50HXT590T0.50

    687 710 675 697 23 21 225 98.5

    50HXT780T 817 847 830 872 19 17 275 98.5Tests were conducted in accordance with JIS C 2550:2000L :specimens taken longitudinal to the rolling directionC:specimens taken transverse to the rolling directionJIS C 2550:2000LCJIS C 2550:2000LC

    HIGH TENSILE STRENGTH HILITECORETM HXT HXT

    Type Assumed Density

    kgd3

    Core LossWkg

    InductionT

    TensileStrength

    Nm2

    Laminationfactor%

    Product

    Grade

    Thicknessmm

    W1550 B50

    HIGH TENSILE STRENGTHHILITECORE

    35HXT590T

    0.35

    7.65 10.50 1.62 590 95.0

    35HXT680T 7.65 10.50 1.62 680 95.0

    35HXT780T 7.60 11.00 1.60 780 95.0

    50HXT590T0.50

    7.65 11.50 1.62 590 96.0

    50HXT780T 7.60 12.00 1.60 780 96.0Tests are conducted in accordance with JIS C 2550:2000 using as-sheared specimens one half longitudinal and one half transverse to the rolling direction.JIS C 2550:2000JIS C 2550:2000L

  • 28 29

    SYMBOL

    S R G , XN L , X1

    Applicable mother sheet

    ORIENTCORE ORIENTCOREHI-B ORIENTCOREHI-BLS ORIENTCOREHI-BPM

    HILITECORE

    HILITECORE HOMECOREHIEXCOREHIGH TENSILE STRENGTH HILITECORE

    HILITECORE HOMECOREHIEXCOREHIGH TENSILE STRENGTH HILITECORE

    Composition

    Inorganic substance

    Inorganic substance

    Inorganic base substance including organic substanceEnvironment-friendly chromium free type

    Inorganic base substance including organic substance

    Interlaminar resistance

    Extremely high interlaminar resistance due to tight bonding with proper surface structure of ORIENTCORE ORIENTCORE

    High interlaminar resistance

    High interlaminar resistance

    High interlaminar resistance

    Machinability

    Surface insulation coating is so firmly bonded on to mother sheet that it will never peel off due to cutting and punching.

    Surface insulation coating is so firmly bonded on to mother sheet that it will never peel off due to cutting and punching. High machinability and weldability.

    Extremely high punching quality. High machinability and weldability. Surface insulation coating is so firmly bonded on to mother sheet that it will never peel off due to cutting and punching.

    Extremely high punching quality. High machinability and weldability. Surface insulation coating is so firmly bonded on to mother sheet that it will never peel off due to cutting and punching.

    Lamination factor

    Extremely high lamination factor due to thin lamination of insulation coating

    Extremely high lamination factor due to thin lamination of insulation coating

    Extremely high lamination factor due to thin lamination of insulation coating

    Extremely high lamination factor due to thin lamination of insulation coating

    Heat resistance

    Up to about 850 at which stress-relief annealing is provided in non-oxidizing atmosphere.850 850

    Up to about 800 at which stress-relief annealing is provided in non-oxidizing atmosphere.800 800

    Up to about 800 at which stress-relief annealing is provided in non-oxidizing atmosphere but care should be taken not to allow the atmos-phere to become oxidizing. 800 800

    Up to about 800 at which stress-relief annealing is provided in non-oxidizing atmosphere but care should be taken not to allow the atmos-phere to become oxidizing. 800 800

    Corrosion resistance

    High corrosion resistance against insulation oil, varnish, machine oil, refrigerant gas

    High corrosion resistance against insulation oil, varnish, machine oil, refrigerant gas

    High corrosion resistance against insulation oil, varnish, machine oil, refrigerant gas

    High corrosion resistance against insulation oil, varnish, machine oil, refrigerant gas

    SURFACE INSULATION

    Nippon Steel & Sumitomo Metal Corporation offers electrical steel sheets coated with various high-performance surface insulation materials.They feature the individual performance characteristics shown below.

  • 30 31

    ANNEALING BY THE CUSTOMERStresses are introduced into electrical steel sheets whenever they are punched, sheared or bended.These stresses have an adverse effect on the magnetic properties. In case that deterioration is considerable large such as woundcore applied Grain-Oriented Electrical Steel Sheets, stress-relief annealing is necessary in order to relief these stresses and restore the original magnetic properties.The following are some precautions to be observed when electrical steel sheets are subjected to stress-relief annealing.

    1. AVOID EXCESSIVE OXIDATION Oxidation seriously impairs the magnetic properties, particularly at high inductions. In batch-type annealing, excessive oxidation and

    potential damage caused by impurities present in the annealing atmosphere may be avoided by using an annealing cover, which can be sealed with dry sand. It is most important for the cover to properly seal off the charge. Any air inside the annealing cover should be flushed out and replaced with a non-oxidizing atmosphere. A non-explosive atmosphere composed of =90% nitrogen or high-purity nitrogen gas are recommended, and the dew point of the atmosphere should be maintained at less than 0 (32F).

    2. ANNEALING TEMPERATURE Non-oriented Electrical Steel Sheets HILITECORE, HOMECOREHIEXCORE The usual practice is heat the charge to a temperature of 720 (1,328F) to 750 (1,382F) and to maintain this temperature to permit uniform heat penetration. Annealling temperature, time and atmosphere must be closely controlled. Grain Oriented Electrical Steel Sheets ORIENTCORE, ORIENTCOREHI-BORIENTCOREHI-BPM The recommended stressreliefing temperature is 800 with a maximum permissible variation of 20 (1,472F36F). And to avoid carburization, the atomosphere should be of very low carbon content.

    3. COOLING TIME To avoid distortion of laminations and cores, it is required that the charges should be cooled slowly to a temperature of about

    350 (662F) at a rate not exceeding 25 (45F) per hour-particularly for charges weighing only a few tons. Also for heavier charges, better results will be obtained by slower cooling.

    1. 10% 90%

    0

    2. , , 720~750 , ,

    : , , 80020

    3. 1 25 350

    1. 10% 90%

    0

    2. HILITECORE, HOMECOREHIEXCORE 720 750 ORIENTCORE, ORIENTCOREHI-BORIENTCOREHI-BPM 800 20

    3. 25 350

    mm Outside Diameter of Coilmm

    in. Outside Diameter of Coilin.

    kg

    Coil Masskg

    mmin.

    Slit width mmin.

    Relationship Between

    Coil Mass, Outside

    Diameter and Slit Width

    Inside Coil

    Diameter 508mm

    508mm

    51 47 43 39 35 31 28 24 20

    1,200

    1,300

    501.97

    702.76

    1003.94

    1505.90

    2007.89

    30011.8

    40015.7

    60023.6

    80031.5 914

    36.0 1,05

    041.4 1,22

    048.4

    1,100

    1,000

    900

    800

    700

    600

    500 10

    2030

    5070

    100

    200

    300

    500

    700

    1,000

    2,000

    3,000

    5,0007,000

    10,000

  • 32 33

    MAJOR INTERNATIONALLY-ACCEPTED STANDARDSGrain-oriented electrical steel strip and sheet

    Thicknessmm

    NSSMC JIS C 25532000 IEC 60404-8-72008 GB/T 25212008W17/50 Max. W17/50 Max. W17/50 Max. W17/50 Max.

    W/kg W/kg W/kg W/kg

    0.23 23ZDKH75 0.75 23ZDKH80 0.80 23ZDKH85 0.85 23R85 0.85 M85-23P5b) 0.85 23QG085b) 0.85 23ZDKH90 0.90 23R90 0.90 M90-23P5b) 0.90 23QG090b) 0.90 23ZH85 0.85 M85-23P5 0.85 23QG085 0.85 23ZH90 0.90 23P90 0.90 M90-23P5 0.90 23QG090 0.90 23ZH95 0.95 23P95 0.95 M95-23P5 0.95 23QG095 0.95 23ZH100 1.00 23P100 1.00 M100-23P5 1.00 23QG100 1.00 23Z110 1.10 23G110 1.10 M110-23S5 1.10 23Q110 1.10

    M120-23S5 1.20 23Q120 1.20 23Q130 1.30

    0.27 27ZDKH85 0.8527ZDKH90 0.90 27R90 0.90 M90-27P5b) 0.90 27QG090b) 0.90 27ZDKH95 0.95 27R95 0.95 M95-27P5b) 0.95 27QG095b) 0.95 27ZH90 0.90 M90-27P5 0.90 27QG090 0.90 27ZH95 0.95 M95-27P5 0.95 27QG095 0.95 27ZH100 1.00 27P100 1.00 M100-27P5 1.00 27QG100 1.00

    27QG105 1.05 27ZH110 1.10 27P110 1.10 M110-27P5 1.10 27QG110 1.10

    27Q110 1.10 27Z120 1.20 27G120 1.20 M120-27S5 1.20 27Q120 1.20 27Z130 1.30 27G130 1.30 M130-27S5 1.30 27Q130 1.30

    27Q140 1.40

    0.30 30ZH95 0.95 30ZH100 1.00 30ZH105 1.05 30P105 1.05 M105-30P5 1.05 30QG105 1.05 30ZH110 1.10 30P110 1.10 M110-30P5 1.10 30QG110 1.10

    30ZH120 1.20 30P120 1.20 M120-30P5 1.20 30QG120 1.20 30Z120 1.20 30Q120 1.20 30Z130 1.30 30G130 1.30 M130-30S5 1.30 30Q130 1.30 30Z140 1.40 30G140 1.40 M140-30S5 1.40 30Q140 1.40

    30Q150 1.50

    0.35 35ZH110 1.10 35ZH115 1.15 35P115 1.15 M115-35P5 1.15 35QG115 1.15 35ZH125 1.25 35P125 1.25 M125-35P5 1.25 35QG125 1.25 35ZH135 1.35 35P135 1.35 M135-35P5 1.35 35QG135 1.35 35Z135 1.35 35Q135 1.35 35Z145 1.45 35G145 1.45 M145-35S5 1.45 35Q145 1.45 35Z155 1.55 35G155 1.55 M155-35S5 1.55 35Q155 1.55

    NOTE: b) Domain refined condition

    CONVERSION TABLESMagnetizing Force

    Oersted A/m A/in.

    1 Oersted 1 7.9610 2.021 Ampere per Meter A/m 1.256102 1 2.54102

    1 Ampere per Inch A/in. 4.95101 3.9410 1

    Magnetic InductionGauss Tesla WB/ Line/in.

    1 Gauss G 1 104 104 6.45104

    1 Tesla T 104 1 1 6.45104

    1 Weber per Square Meter Wb/ 104 1 1 6.45104

    1 Line per Square lnchLine/in. 1.55101 1.55105 1.55105 1

    Core LossW/kg W/Ib

    1 Watt per KilogramW/kg 1 4.54101

    1 Watt per PoundW/lb 2.204 1

    MAJOR INTERNATIONALLY-ACCEPTED STANDARDSNon-oriented electrical steel strip and sheet

    Thicknessmm

    NSSMC JIS C 25522000 IEC 60404-8-41998 GB/T 25212008W15/50 Max. W15/50 Max. W15/50 Max. W15/50 Max.

    W/kg W/kg W/kg W/kg

    0.35 35H210 2.10 35A210 2.10 35H230 2.30 35A230 2.30 M230-35A 5 2.30 35W230 2.30

    M235-35A 5 2.35 35H250 2.50 35A250 2.50 M250-35A 5 2.50 35W250 2.50 35H270 2.70 35A270 2.70 M270-35A 5 2.70 35W270 2.70 35H300 3.00 35A300 3.00 M300-35A 5 3.00 35W300 3.00

    M330-35A 5 3.30 35W330 3.30 35H360 3.60 35A360 3.60 M360-35A 5 3.60 35W360 3.60

    35W400 4.00 35H440 4.40 35A440 4.40 35W440 4.40

    0.50 50H230 2.30 50A230 2.30 50W230 2.30 50H250 2.50 50A250 2.50 M250-50A 5 2.50 50W250 2.50 50H270 2.70 50A270 2.70 M270-50A 5 2.70 50W270 2.70 50H290 2.90 50A290 2.90 M290-50A 5 2.90 50W290 2.90 50H310 3.10 50A310 3.10 M310-50A 5 3.10 50W310 3.10

    M330-50A 5 3.30 50W330 3.30 50H350 3.50 50A350 3.50 M350-50A 5 3.50 50W350 3.50 50H400 4.00 50A400 4.00 M400-50A 5 4.00 50W400 4.00 50H470 4.70 50A470 4.70 M470-50A 5 4.70 50W470 4.70

    M530-50A 5 5.30 50W530 5.30 50H600 6.00 50A600 6.00 M600-50A 5 6.00 50W600 6.00 50H700 7.00 50A700 7.00 M700-50A 5 7.00 50W700 7.00 50H800 8.00 50A800 8.00 M800-50A 5 8.00 50W800 8.00

    M940-50A 5 9.40 50H1000 10.00 50A1000 10.00 M1000-50A 5 10.00 50W1000 10.00 50H1300 13.00 50A1300 13.00 50W1300 13.00

    D003jec_H1-H4fD003jec_H2-P15fD003jec_P16-P33f