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GB/T 42668-2023 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42668-2023: Samarium-iron-nitrogen permanent magnetic powder for bonded magnet
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42668-2023	189	Add to Cart	3 days	Samarium-iron-nitrogen permanent magnetic powder for bonded magnet	Valid

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Basic data

Standard ID: GB/T 42668-2023 (GB/T42668-2023)
Description (Translated English): Samarium-iron-nitrogen permanent magnetic powder for bonded magnet
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H65
Classification of International Standard: 77.120.99
Word Count Estimation: 10,139
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42668-2023: Samarium-iron-nitrogen permanent magnetic powder for bonded magnet

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 77.120.99 CCSH65 National Standards of People's Republic of China Samarium iron nitrogen bonded permanent magnet powder Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is under the jurisdiction of the National Rare Earth Standardization Technical Committee (SAC/TC229). This document was drafted by. Youyan Rare Earth New Materials Co., Ltd., Ningbo Yunsheng Bonded Magnet Co., Ltd., Hangzhou Qianshi Technology Co., Ltd. Company, Anhui Dadixiong New Materials Co., Ltd., Beijing Zhongke Sanhuan High-Tech Co., Ltd., Beijing University of Technology, Youyan Rare Earth (Rongcheng) Co., Ltd., Baotou Rare Earth Research Institute, Youyan Rare Earth High Technology Co., Ltd., Qiandong Rare Earth Group Co., Ltd., Baotou Rare Earth New Materials Technology R&D Center, Jiangxi Zhongshi New Materials Co., Ltd., Baotou Tianhe Magnetic Materials Technology Co., Ltd., Beikang Magnetic Materials Technology Co., Ltd. Ltd. The main drafters of this document. Luo Yang, Yan Wenlong, Wang Zilong, Peng Haijun, Lin Xiao, Yu Dunbo, Quan Ningtao, Zhang Weishan, Chen Haibo, Yang Yuanfei, Yi Xiaofei, Cao Shuohao, Yue Ming, Yao Nanhong, Ma Yuehua, Fu Jianlong, Shan Weikang, Wu Shujie, Zhu Xiaoting, Bai Xinyuan, Li Tianhao, Wang Zhongkai, Zhu Shengjie, Cai Wei, Jin Zhenjun, Shen Guodi, Diao Shulin, Zhao Ningning, Xu Huibing, Duan Jiping, Jin Guoshun, Che Shenglei, Mou Di, Liu Rongming, Wang Ke. Samarium iron nitrogen bonded permanent magnet powder

1 Scope

This document specifies the classification and brand, technical requirements, test methods, inspection rules, packaging, marking, transportation, Storage and accompanying documents. This document applies to isotropic and anisotropic samarium iron nitrogen bonded permanent magnetic powder (hereinafter referred to as "permanent magnetic powder"), which can be used for molding, Molding processes such as injection molding, extrusion and calendering are used to manufacture bonded magnets.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 1479.1 Determination of bulk density of metal powders Part 1.Funnel method GB/T 9637 Electrical Terminology Magnetic Materials and Components GB/T 15676 Rare earth terminology GB/T 19077 Particle size distribution laser diffraction method GB/T 20168-2017 Rapidly quenched NdFeB permanent magnet powder GB/T 24270 Measurement method of temperature coefficient of magnetic properties of permanent magnet materials GB 39176 Packaging, marking, transportation and storage of rare earth products GB/T 40794 Detection method for irreversible loss of high temperature magnetic flux of rare earth permanent magnet materials GB/T 41967-2022 Anisotropic NdFeB permanent magnet powder

3 Terms and definitions

The following terms and definitions as defined in GB/T 9637 and GB/T 15676 apply to this document. 3.1 SmFeN permanent magnetic powder with the same magnetic properties after magnetization in any direction. 3.2 After magnetization in a certain direction, its magnetic performance is much higher than that of samarium iron nitrogen permanent magnet powder after magnetization in other directions.

4 Classification and brand

4.1 Classification Permanent magnetic powder can be divided into two categories. isotropic and anisotropic. 4.2 Brand Each type of product is divided into several grades according to the maximum magnetic energy product and coercive force. The specific grades are shown in Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42668-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42668-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42668-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42668-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.