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GB/T 19345.1-2017 English PDF (GB/T 19345-2003)

GB/T 19345.1-2017_English: PDF (GB/T19345.1-2017)
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GB/T 19345.1-2017English145 Add to Cart 0--9 seconds. Auto-delivery Amorphous and nanocrystalline alloys -- Part 1: Fe-based amorphous soft magnetic alloy strips Valid GB/T 19345.1-2017
GB/T 19345-2003English115 Add to Cart 0--9 seconds. Auto-delivery Amorphous and nanocrystalline soft magnetic alloy strips Obsolete GB/T 19345-2003


BASIC DATA
Standard ID GB/T 19345.1-2017 (GB/T19345.1-2017)
Description (Translated English) Amorphous and nanocrystalline alloys -- Part 1: Fe-based amorphous soft magnetic alloy strips
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H58
Classification of International Standard 77.140.99
Word Count Estimation 23,220
Date of Issue 2017-10-14
Date of Implementation 2018-07-01
Older Standard (superseded by this standard) GB/T 19345-2003
Drafting Organization China Steel Research Group Co., Ltd., Metallurgical Industry Information Standards Institute, Changsha Tianheng Measurement and Control Technology Co., Ltd.
Administrative Organization National Steel Standardization Technical Committee (SAC/TC 183)
Regulation (derived from) National Standard Announcement 2017 No. 26
Proposing organization China Iron and Steel Association
Issuing agency(ies) People's Republic of China General Administration of Quality Supervision, Inspection and Quarantine, China National Standardization Administration

BASIC DATA
Standard ID GB/T 19345-2003 (GB/T19345-2003)
Description (Translated English) Amorphous and nanocrystalline soft magnetic alloy strips
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H58
Classification of International Standard 77.140.40
Word Count Estimation 7,797
Date of Issue 2003-11-03
Date of Implementation 2004-05-01
Drafting Organization CISRI
Administrative Organization Metallurgical Industry Information Standards Institute
Regulation (derived from) Chinese national standard approved by the announcement in 2003 No. 14 (No. 62 overall)
Proposing organization China Iron and Steel Industry Association
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary This standard specifies: amorphous and nanocrystalline soft magnetic alloy strip size, shape, technical requirements, test methods, inspection rules, packaging, marking and quality certification content. This standard applies to: the manufacture of distribution transformers, medium frequency transformers, high-frequency switching power transformers, pulse transformers, transformers, filter inductors and chokes, common mode inductors, magnetic amplifiers and saturation inductors, sensors, and other core and magnetic shielding amorphous and nanocrystalline soft magnetic alloy strip (hereinafter referred to as the strip).


GB/T 19345.1-2007 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.040.99 H 58 Partially replacing GB/T 19345-2003 Amorphous and nanocrystalline alloys – Part 1. Fe-based amorphous soft magnetic alloy strips ISSUED ON. OCTOBER 14, 2017 IMPLEMENTED ON. JULY 1, 2018 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of PRC. Table of Contents Foreword ... 3  1 Scope ... 5  2 Normative references ... 5  3 Terms and definitions ... 5  4 Classification and designation display method ... 6  5 General requirements ... 7  6 Technical requirements ... 8  7 Inspection and measurement ... 12  8 Packaging, storage, marks and quality certificate ... 15  9 Order content ... 16  Annex A (informative) Part of the basic physical parameters of Fe-based amorphous soft magnetic alloy strips ... 17  Annex B (normative) Measurement method for AC magnetic properties of amorphous alloy monolithic sample ... 18  Annex C (normative) Measurement method of lamination factor of amorphous alloy strips ... 28  Annex D (normative) Measurement method for toughness of amorphous alloy strips ... 32  Foreword GB/T 19345 Amorphous and nanocrystalline alloys consists of several parts. This Part is Part 1 of GB/T 19345. This Part was drafted in accordance with the rules given in GB/T 1.1-2009. This Part replaces the part of Fe-based amorphous soft magnetic alloy strips in GB/T 19345-2003. Compared with GB/T 19345-2003, the main changes in this Part are as follows. - modified the name to “Amorphous and nanocrystalline alloys - Part 1. Fe- based amorphous soft magnetic alloy strips”; - adjusted the text structure of the standard; - added terms and definitions; - added the classification, product designation naming rules; - modified the magnetic performance indicators of strips; - modified the size deviation scope of strips; - modified the relevant provisions on sampling, sample preparation and measurement; - modified the inspection method and requirements for toughness of strips; - added the strip laminate factor and measurement method for the exchange magnetic properties of monolithic sample; - refined the requirements for packaging, storage, marks and quality certificate. This Part was proposed by China Iron and Steel Association. This Part shall be under the jurisdiction of National Technical Committee on Steels of Standardization Administration of China (SAC/TC 183). The drafting organizations of this Part. China Steel Research Technology Group Co., Ltd., Metallurgical Industry Information Standards Institute, Changsha Tianheng Measurement and Control Technology Co., Ltd. Main drafters of this Part. Lu Zhichao, Chen Wenzhi, Luan Yan, Li Deren, Liu Guodong, Li Zhun, Zhou Xinhua, Zhou Xueliang. Amorphous and nanocrystalline alloys - Part 1. Fe-based amorphous soft magnetic alloy strips 1 Scope This Part specifies the terms and definitions, classification and display method of designation, general requirements, technical requirements, inspection and measurement, packaging, storage, marks and quality certificate of Fe-based amorphous soft magnetic alloy strips manufactured with fast quenching process. This Part is applicable to Fe-based amorphous soft magnetic alloy strips used for iron core of distribution transformer, medium frequency transformer, reactor, filter inductor (hereinafter referred to as the strips). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2900.1, Electrotechnical terminology Fundamental terms GB/T 9637, Electrotechnical terminology - Magnetic materials and components GB/T 13012, Methods of measurement of d.c. magnetic properties of magnetically soft materials GB/T 15019, Designation and classification of rapidly quenched metals GB/T 19346.1, Amorphous and nanocrystalline alloys measurement methods - Part 1. AC magnetic properties by the use of ring specimens 3 Terms and definitions For the purposes of this document, the terms and definitions specified in GB/T 2900.1, GB/T 9637 and GB/T 15019 as well as the followings apply. 3.1 specific total loss 0.12 W/kg, lamination factor is not less than 0.84. 5 General requirements 5.1 Production process The production process and chemical composition of the strips are decided by the supplier. 5.2 Delivery form 5.2.1 The strips are usually delivered in coils. The coil is divided into two types. a) a single coil wound from a single layer of strips; b) a composite coil wound from multi-layers of strips simultaneously. 5.2.2 The coil shall be rolled up from the strips of same width, center lining with a hard paper, plastic or metal reel. 5.2.3 The end of the coil shall be as flat as possible. The maximum axial height shall not be greater than 1.05 times the nominal width of the strips. 5.2.4 The ends of the strips shall be free of rusts, fingerprints, foreign material, damage. 5.2.5 The strips shall be wound tightly, no local relaxation, no wrinkles, no collapse, no falling off during handling due to self-weight, no lateral offset during unwinding. 5.2.6 The strips may be spliced by removing defects. The front and back parts of splicing shall be of same designation, same nominal width. The part of splicing shall be marked. The connection shall be neat and not affect the normal operation of subsequent processing. If the part of splicing uses other materials to connect, the material quality of the connecting material shall not damage the properties of the strips before and after heat treatment. If the strips are in contact with the liquid during the final use, the connecting material shall not chemically react with the liquid in contact. 5.2.7 The particular requirements for strip delivery form shall be determined by the supplier and the purchaser. 5.3 Delivery conditions The strips are normally delivered in non-sheared semi-processed state (prepared state) with the absence of a top coat. The particular requirements for strip delivery form shall be determined by the supplier and the purchaser. 5.4 Surface quality 5.4.1 The surface of the strips shall not have rusts, greases, fingerprints, foreign materials or the continuous visible oxidation. 5.4.2 The surface of the strips is allowed to have pinholes not larger than 1.0 mm in diameter but not more than 1 per square centimeter. 5.4.3 The strips shall be smooth; there shall be no slivers, burrs, potholes, wrinkles, folds or other defects affect the use. The edge of the strips shall have no visible cracks and burrs. 5.5 Shear adaptability When using suitable equipment for cutting, any part of the strips shall be able to be cut into the usual shape. 6 Technical requirements 6.1 Physical properties 6.1.1 The strips delivered in the semi-processed state (prepared state) shall be heat-treated properly to obtain the desired magnetic properties. But the magnetic properties of the strips and related to the sampling and sample preparation methods, sample shape and size, sample heat treatment system and measurement methods and other factors. Therefore, when the supplier supplies the data of magnetic properties of the strips, it shall indicate the sample shape and size, sample heat treatment system, measurement method, measurement equipment and measurement conditions. NOTE. The final heat treatment of the strips is usually performed by the purchaser after the strip is processed into the iron core. Therefore, the purchaser shall determine the best heat treatment syst... ......


GB 19345-2003 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Amorphous and nanocrystalline soft magnetic alloy strips ISSUED ON. NOVEMBER 3, 2003 IMPLEMENTED ON. MAY 1, 2004 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Size, shape, weight and tolerance ... 6  4 Technical requirements ... 6  5 Test methods ... 9  6 Inspection rules ... 10  7 Packaging, marking and quality certificate ... 11  Appendix A (Informative) The basic physical parameters of amorphous and nanocrystalline soft magnetic alloy strips ... 12  Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Size, shape, weight and tolerance ... 6  4 Technical requirements ... 6  5 Test methods ... 9  6 Inspection rules ... 10  7 Packaging, marking and quality certificate ... 11  Appendix A (Informative) The basic physical parameters of amorphous and nanocrystalline soft magnetic alloy strips ... 12  Amorphous and nanocrystalline soft magnetic alloy strips 1 Scope This standard specifies the contents of amorphous and nanocrystalline soft magnetic alloy strips, such as size, shape, technical requirements, test methods, inspection rules, packaging, marking and quality certificate. This standard applies to the manufacturing OF iron-core and amorphous and nanocrystalline soft magnetic alloy strips for magnetic shielding use (hereinafter referred to as strips) OF distribution transformers, intermediate frequency transformers, high frequency switching power transformers, pulse transformers, instrument transformers, filter inductances and reactors, common mode inductors, magnetic amplifiers and saturable inductors, and sensors etc. 2 Normative references The provisions of the following documents become the terms of this standard through the references to this standard. For dated references, all subsequent amendments (not including errata content) or revisions do not apply to this standard. However, parties who reach an agreement based on this standard are encouraged to study whether the latest versions of these documents are applicable. For undated references, the latest version is applicable to this standard. GB/T 223.3 Methods for chemical analysis of iron, steel and alloy - The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus GB/T 223.6 Methods for chemical analysis of iron, steel and alloy - The neutralization titrimetric method for the determination of boron content GB/T 223.11 Methods for chemical analysis of iron, steel and alloy - The persulfuric acid forging oxidation volumetric method for the determination of chromium content GB/T 223.12 Methods for chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content GB/T 223.13 Methods for chemical analysis of iron, steel and alloy - The ammonium ferrous sulfate volumetric method for the determination of vanadium content GB/T 223.18 Methods for chemical analysis of iron steel and alloy - The sodium thiosulfate separation iodimetric method for the determination of copper content GB/T 223.20 Methods for chemical analysis of iron steel and alloy - The Potentiometric titration method for the determination of cobalt content GB/T 223.25 Methods for chemical analysis of iron, steel and alloy - The dimethylglyoxime gravimetric method for the determination of nickel content GB/T 223.28 Methods for chemical analysis of iron, steel and alloy - The α- benzoinoxime gravimetric method for the determination of molybdenum content GB/T 223.38 Methods for chemical analysis of iron, steel and alloy - The anion-exchange separation-gravimetric method for the determination of niobium content GB/T 223.60 Methods for chemical analysis of iron, steel and alloy - The perchloric acid dehydration gravimetric method for the determination of silicon content GB/T 223.71 Methods for chemical analysis of iron, steel and alloy - The gravimetric method after combustion in the pipe furnace for the determination of carbon content GB/T 223.73 Methods for chemical analysis of iron, steel and alloy - Titanium trioxide - potassium dichromate volumetric method for the determination of iron content GB/T 3654.1 Methods for chemical analysis of ferroniobium - The paper chromatographic gravimetric method for the determination of niobium and tantalum content GB/T 3657 Soft magnetic alloy DC magnetic properties measurement method GB/T 3658 Soft magnetic alloy AC magnetic properties measurement method GB/T 19346 Measuring method of magnetic properties at alternative current for amorphous and nanocrystalline soft magnetic alloy strips YB/T 5242 General rules of packaging, marking and quality certification for precision alloys Strips shall have good flexural toughness. After testing, according to 6.5 rupture or fracture, it shall not be produced. 4.5 Surface quality Strip surface shall not have rust, grease, continuous oxidation tint and the pinhole whose size is greater than 1.0 mm. There shall not be more than one pinhole, which is visible to light, per square centimeter. 5 Test methods 5.1 Size measurement The measurement of strip thickness shall adopt the measuring tool with minimum division value of 0.001 mm. The measurement of strip width shall adopt the measuring tool with minimum division value of 0.1 mm. 5.2 Appearance test Strip appearance shall be visually checked. 5.3 Chemical composition analysis The chemical composition analysis of the alloy shall be conducted in accordance with the relevant methods specified in GB/T 223. 5.4 Measurement of magnetic properties The sample for measuring magnetic properties of strips is a toroidal core winding around strips, and conducting heat-treated. Measurement methods are conducted in accordance with the provisions specified in GB/T 3657, GB/T 3658 or GB/T 19346. 5.5 Test of flexural toughness Take a strip of no less than 1 m in length, inward-facing freely; fold it back 180 ° closely to a polished steel rod with 3 mm in diameter. The entire strip is passed through from beginning to end. 5.6 Inspection of surface quality The surface quality of strips shall be visually inspected. The size measurement of pinhole is carried out using the measuring tool with division value of 0.1 mm. ......

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