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GB/T 34490-2017 English PDF

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US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34490-2017: Recycled sintered neodymium iron boron permanent magnets
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34490-2017	199	Add to Cart	3 days	Recycled sintered neodymium iron boron permanent magnets	Valid

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Basic data

Standard ID: GB/T 34490-2017 (GB/T34490-2017)
Description (Translated English): Recycled sintered neodymium iron boron permanent magnets
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H65
Classification of International Standard: 77.120.99
Word Count Estimation: 10,132
Date of Issue: 2017-10-14
Date of Implementation: 2018-05-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34490-2017: Recycled sintered neodymium iron boron permanent magnets

---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.
Recycled sintered neodymium iron boron permanent magnets ICS 77.120.99 H65 National Standards of People's Republic of China Regeneration sintered NdFeB permanent magnet materials 2017-10-14 Published 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Rare Earth Standardization Technical Committee (SAC/TC229) and focal point. This standard was drafted unit. Anhui Dadi Xiongxin Materials Co., Ltd., Beijing University of Technology, State Key Laboratory of rare earth permanent magnet materials, Beijing Zhong Ke San Huan High-tech Co., Ltd., Steel Research Institute, Baotou Rare Earth Research Institute. The main drafters of this standard. Yueming, Yi Xiaofei, Chen Jingwu, Huang Xiulian, Zhang Dongtao, Liu Weijiang, Xiong Yongfei, Liu Youhao, Xue Hui Li, Zhu Minggang, Liu Zheng. Regeneration sintered NdFeB permanent magnet materials

1 Scope

This standard specifies the raw material selection and classification of regenerative sintered NdFeB permanent magnet materials, classification and brand of regenerative sintered NdFeB permanent magnet materials Number, requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates. This standard applies to powder metallurgy technology production of sintered NdFeB permanent magnet materials and products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2828.1-2012 Sampling procedures for inspection - Part 1 - Batch-by-lot inspection by acceptance quality limit (AQL) plan GB/T 3217 permanent magnet (hard magnetic) material magnetic test methods GB/T 8170 rounded repair rules and limit values of the representation and judgment GB/T 9637 Electrotechnical terminology magnetic materials and components GB/T 15676 rare earth terminology XB/T 617.1 Methods for chemical analysis of neodymium iron boron alloys - Part 1. Determination of total rare earths Oxalate gravimetric method XB/T 617.2 Methods for chemical analysis of neodymium iron boron alloys - Part 2 Determination of the amount of fifteen rare earth elements Inductively coupled plasma Atomic emission spectrometry

3 Terms and definitions

GB/T 9637, GB/T 15676 and define the following terms and definitions apply to this document. 3.1 To waste sintered NdFeB permanent magnet material as the main raw material, after the provisions of the process of permanent magnet materials. 3.2 The main magnetic properties of principalmagneticproperties Mainly include residual magnetic induction intensity (Br), magnetic polarization coercivity (intrinsic coercivity) (HcJ), magnetic flux density Hardness (HcB), the maximum energy product [(BH) max]. 3.3 Auxiliary magnetic properties additionalmagneticproperties Including the permanent magnet material relative permeability (μrec), the residual magnetic induction temperature coefficient [α (Br)], magnetic polarization coercivity Force (intrinsic coercivity) temperature coefficient [α (HcJ)], Curie temperature (TC). 4 raw material selection, classification and regeneration 4.1 raw material selection Recycled sintered NdFeB permanent magnet materials used in the preparation of used sintered NdFeB permanent magnet materials include two types of production is middle class ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34490-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34490-2017_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 34490-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34490-2017_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.