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GB/T 32286.1-2015: Soft magnetic alloys - Part 1: Nickel-iron alloys Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 32286.1-2015: Soft magnetic alloys - Part 1: Nickel-iron alloys---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT32286.1-2015GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.40 H 58 Soft magnetic alloys - Part 1.Nickel-iron alloys Issued on. DECEMBER 10, 2015 Implemented on. NOVEMBER 01, 2016 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Classification... 6 4 Order content... 6 5 Dimensions and appearance... 7 6 Technical requirements... 10 7 Test methods... 22 8 Inspection rules... 23 9 Packaging, marking and quality certification... 24 Appendix A (Informative) Recommended heat treatment system for samples... 25 Appendix B (Informative) Basic physical parameters and typical mechanical properties of alloys... 27 Appendix C (Informative) AC magnetic properties of 1J50, 1J79 and 1J85 alloys when magnetized in different states... 29ForewordThis Part is Part 1 of GB/T 32286 Soft magnetic alloys. This Part was drafted in accordance with the rules given in GB/T 1.1-2009. This Part was proposed by China Iron and Steel Industry Association. This Part shall be under the jurisdiction of National Technical Committee on Iron and Steel of Standardization Administration of China (SAC/TC 183). Drafting organizations of this Part. Dongbei Special Iron & Steel Group Dalian Precision Alloy Co., Ltd., China Metallurgical Information and Standardization Institute. Main drafters of this Part. Xu Xiaoping, Luan Yan, Yan Chengming. Soft magnetic alloys - Part 1.Nickel-iron alloys1 ScopeThis part of GB/T 32286 specifies the classification, order content, dimensions, appearance, technical requirements, test methods, inspection rules, packaging, marking and quality certification for nickel-iron soft magnetic alloy materials. This Part applies to cold-rolled strips, cold-drawn wires, cold-drawn (rolled) pipes, hot- rolled (forged) rods and flat bars of higher permeability and higher saturation magnetic induction intensity nickel-iron alloys 1J46, 1J50, 1J54 and high permeability nickel- iron alloys 1J76, 1J77, 1J79, 1J80, 1J85, 1J86; cold-rolled sheets of high permeability nickel-iron alloys 1J79 and 1J85; cold-rolled strips of nickel-iron rectangular magnetic alloys 1J34, 1J51, 1J52, 1J65, 1J67, 1J83, 1J403; cold-rolled strips of magnetic temperature compensation nickel-iron alloys 1J30, 1J31, 1J32, 1J33, 1J38; and cold- rolled strips of permanent permeability nickel-iron alloy 1J66. This Part does not apply to high hardness, high resistance and high permeability nickel- iron alloy materials, corrosion-resistant nickel-iron alloys and nickel-iron alloy materials for magnetic heads (hereinafter referred to as alloy materials).2 Normative referencesThe 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 222-2006, Permissible tolerances for chemical composition of steel products GB/T 223.8, Methods for chemical analysis of iron, steel and alloy - The sodium fluoride separation - EDTA titration method for the determination of aluminium content GB/T 223.11, Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method GB/T 223.18, Methods for chemical analysis of iron steel and alloy - The sodium thiosulfate separation iodimetric method for the determination of cupper 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 D- denzoinoxime gravimetric method for the determination of molybdenum content3 Classification3.1 Classified into the following five categories by the main characteristics. 3.2 Classified into the following four categories by the nickel content.4 Order contentThe contract for ordering under this Part shall include the following.5 Dimensions and appearance5.1 Cold-rolled strips 5.1.1 Dimensions and permissible deviations 5.1.1.1 The dimensions and thickness permissible deviations of cold-rolled strips shall comply with the provisions of Table 1.Positive and negative deviations may also be adopted after consultation between the supplier and the buyer and specified in the contract. 5.1.1.2 The width permissible deviation of cold-rolled strips shall comply with the requirements of Table 2 and Table 3 in GB/T 14986-2008. 5.1.2 Appearance The appearance of cold-rolled strips shall comply with the requirements of 5.1.2 in GB/T 14986-2008. 5.2 Cold-rolled sheets 5.2.1 Dimensions and permissible deviations 5.2.1.1 The range of sizes of cold-rolled sheets. nominal thickness 0.50 mm ~ 2.00 mm; nominal width 600 mm ~ 1 000 mm; nominal length 1 000 mm ~ 2 000 mm. 5.2.2 Appearance 5.2.2.1 For cold-rolled sheets delivered without heat treatment, the unevenness shall not exceed 30 mm/m. 5.3 Cold-drawn wires The dimensions and appearance of cold-drawn wires shall comply with the provisions of 5.3 in GB/T 14986-2008.For cold-drawn wires with a nominal diameter greater than 6.0 mm ~ 10.0 mm, the permissible diameter deviation is ±0.050 mm. 5.4 Cold drawn (rolled) pipes The dimensions, appearance and permissible deviation of cold drawn (rolled) pipes shall be subject to the agreement between the supplier and the buyer. 5.5 Hot rolled (forged) flat bars and rods 5.5.1 Dimensions and permissible deviations 5.5.2 Appearance The appearance of hot rolled (forged) flat bars and rods shall comply with the requirements of 5.5.2 in GB/T 14986-2008.6 Technical requirements6.1 Designation and chemical composition The alloy designation and chemical composition shall comply with the provisions of Table 5. 6.2 Smelting method Smelt the alloy in a vacuum induction furnace. Other smelting methods that meet the requirements of this Part may also be used, but this shall be noted in the quality certification. Special requirements, if any, shall be negotiated between both parties and indicated in the contract. 6.3 Delivery state 6.3.1 Alloy materials are delivered without heat treatment. The delivery state is shown in Table 6. 6.4 Magnetic properties 6.4.1 The magnetic properties of alloy samples after heat treatment shall comply with the provisions of Tables 7 ~ 13.The recommended heat treatment system is shown in Appendix A. 6.4.2 According to the requirements of the buyer, magnetic temperature stability test can be carried out, and the indicators shall be determined by negotiation between the supplier and the buyer. 6.4.3 If the buyer requires delivery in other states (such as soft, polished, peeled, turned, etc.), the magnetic properties shall be negotiated by the supplier and the buyer and specified in the contract. If not specified, the supplier shall provide the actual measured data. 6.5 Other properties The basic physical parameters and typical mechanical properties of the alloy are shown in Appendix B. 6.6 Surface quality 6.7 Special requirements. 6.7.1 Based on the buyer's requirements and as specified in the contract, low-power, ultrasonic, hairline, non-metallic inclusion, mechanical properties and other tests can be provided.7 Test methods7.1 The inspection items and test methods for alloy materials are shown in Table 14. Table 14 – Inspection items, sampling locations, sampling quantities and test methods for alloy materials 7.2 The AC stable value α~, AC/DC stable value α≃ and temperature stable value αT of the permanent permeability 1J66 alloy are measured using an AC bridge. The measurement method is as follows.8 Inspection rules8.1 Inspection and acceptance The inspection and acceptance of alloy materials shall be carried out by the supplier's quality and technical supervision department. 8.2 Batch rules Alloy materials shall be submitted for inspection and acceptance in batches. Each batch shall consist of alloy materials of the same designation, same furnace number, same specification and same delivery state. 8.3 Sampling portion and sampling quantity The sampling portion and sampling quantity shall be in accordance with the provisions of Table 14. 8.4 Re-inspection and determination rules 8.4.1 When the chemical composition of the alloy material is unqualified, it is allowed to re-sample and re-test the unqualified items. If it is still unqualified, the alloy of the furnace shall be judged as unqualified.9 Packaging, marking and quality certificationThe packaging, marking and quality certification of alloy materials shall comply with the relevant provisions of YB/T 5242. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 32286.1-2015 be delivered?Answer: The full copy PDF of English version of GB/T 32286.1-2015 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 32286.1-2015_English with my colleagues?Answer: Yes. 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