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GB/T 6408-2018 English PDF

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Upon your order, we will start to translate GB/T 6408-2018_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.

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Q: Should I purchase the latest version GB/T 6408-2018?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6408-2018 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 6408-2018: Super abrasive -- Cubic boron nitride
Status: Valid

GB/T 6408: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6408-2018	119	Add to Cart	3 days	Super abrasive -- Cubic boron nitride	Valid
GB/T 6408-2003	199	Add to Cart	2 days	Super abrasive -- Cubic boron nitride	Obsolete
GB/T 6408-1986	199	Add to Cart	2 days	Technical requirements for cubic boron nitride	Obsolete

Similar standards

GB/T 2493 GB/T 2480 GB/T 23541 GB/T 6405 GB/T 6406

Basic data

Standard ID: GB/T 6408-2018 (GB/T6408-2018)
Description (Translated English): Super abrasive -- Cubic boron nitride
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J43
Classification of International Standard: 25.100.70
Word Count Estimation: 6,613
Date of Issue: 2018-07-13
Date of Implementation: 2019-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 6408-2018: Super abrasive -- Cubic boron nitride

---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.
Superabrasive--Cubic boron nitride ICS 25.100.70 J43 National Standards of People's Republic of China Replace GB/T 6408-2003 Superhard abrasive cubic boron nitride Published on.2018-07-13 Implementation of.2019-02-01 State Market Supervisory Administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 6408-2003 "Superhard abrasive cubic boron nitride", compared with GB/T 6408-2003 main technical changes as follows. --- Revised the scope of application (see Chapter 1, Chapter 1 of the.2003 edition); --- Increased the CBN500, CBN600 two varieties code and the corresponding technical requirements, the variety code increased from the original 4 6 (see Chapters 4 and 5, Chapters 4 and 5 of the.2003 edition); --- Revised the technical requirements and test methods for impact toughness (see 5.2 and 6.2,.2003 editions 5.2 and 6.2); --- Increased technical requirements and test methods for thermal shock toughness (see 5.3 and 6.2). This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Abrasives Standardization Technical Committee (SAC/TC139). This standard was drafted. Fu Nike Superhard Materials Co., Ltd., Zhengzhou Zhongnan Jiete Superhard Materials Co., Ltd., Zhengzhou Abrasives Grinding Research Institute Ltd. Drafters of this standard. Wu Jianzhong, Dong Yongfen, Zhang Xiangfa, Bao Hua, Fan Lin, Lu Cuilian, Zhang Liang. The previous versions of the standards replaced by this standard are. ---GB/T 6408-1982, GB/T 6408-1986, GB/T 6408-2003. Superhard abrasive cubic boron nitride

1 Scope

This standard specifies the product code, technical requirements, test methods, acceptance rules, signs and packaging of cubic boron nitride. This standard applies to single crystal cubic boron nitride synthesized by static pressure method with particle size of 50/60~325/400.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6406 superhard abrasive grain size inspection GB/T 16458 Abrasives terminology GB/T 33144 Superhard abrasive impact toughness determination method JB/T 3584 Superhard abrasive bulk density determination method JB/T 10985 Superhard abrasive compressive strength determination method JB/T 11427 Super Abrasive Marking and Packaging JB/T 13306 Superhard abrasive cubic boron nitride impurity content detection method

3 Terms and definitions

The terms and definitions defined in GB/T 16458, GB/T 33144 and JB/T 13306 apply to this document.

4 variety code

The black cubic boron nitride varieties are CBN100, CBN300, CBN500; the amber cubic boron nitride varieties are respectively CBN200, CBN400, CBN600.

5 Technical requirements

5.1 Particle size composition The particle size composition complies with the provisions of GB/T 6406. 5.2 Impact toughness The impact toughness (TI value) should not be lower than that specified in Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 6408-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 6408-2018_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 6408-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 6408-2018_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.

Question 5: Should I purchase the latest version GB/T 6408-2018?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6408-2018 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.