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GB/T 38020.1-2019 English PDF

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US$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 38020.1-2019: Watchcases and accessories -- Gold alloy coverings -- Part 1: General requirements
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38020.1-2019	119	Add to Cart	3 days	Watchcases and accessories -- Gold alloy coverings -- Part 1: General requirements	Valid

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GB/T 38023 GB/T 30106 QB/T 4055.2 GB/T 38021 GB/T 38022 GB/T 38020.2

Basic data

Standard ID: GB/T 38020.1-2019 (GB/T38020.1-2019)
Description (Translated English): Watchcases and accessories -- Gold alloy coverings -- Part 1: General requirements
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y11
Classification of International Standard: 39.040.10
Word Count Estimation: 6,625
Date of Issue: 2019-08-30
Date of Implementation: 2020-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38020.1-2019: Watchcases and accessories -- Gold alloy coverings -- Part 1: General requirements

---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.
Watch-cases and accessories - Gold alloy coverings - Part 1. General requirements ICS 39.040.10 Y11 National Standards of People's Republic of China Case shell and its accessories gold alloy coating Part 1. General requirements Part 1. Generalrequirements (ISO 3160-1.1998, MOD) Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

GB/T 38020 "Table shell and its accessories gold alloy cover" is divided into two parts. --- Part 1. General requirements; --- Part 2. Testing for purity, thickness, corrosion resistance and adhesion. This part is the first part of GB/T 38020. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section uses the redrafting method to modify the use of ISO 3160-1.1998 "Table shells and their accessories gold alloy coverings Part 1. General requirements". The technical differences between this part and ISO 3160-1.1998 and their reasons are as follows. ---About the normative reference documents, this part has made technical adjustments to adapt to China's technical conditions, adjustments The situation is reflected in Chapter 2, “Regulatory Citations”, and the specific adjustments are as follows. --- Replace the ISO 3160-3.1993 with GB/T 33725 modified by international standards, because ISO 3160-3.1993 has been scrapped And replaced by ISO 23160.2011; --- Replace ISO 3160-2.1992 with GB/T 38020.2 modified to international standards. This section also made the following editorial changes. ---Incorporate ISO 3160-1.1998/Amendment 1.2000 into this section, and use vertical in the outer margin of the corresponding clause Double line (‖) sign. This part was proposed by the China Light Industry Federation. This part is under the jurisdiction of the National Clock Standardization Technical Committee (SAC/TC160). This section drafted by. FIYTA (Group) Co., Ltd., Xi'an Light Industry Watch Research Institute Co., Ltd., Zhuhai Rossini watch industry Ltd., Yibo Boutique (Shenzhen) Co., Ltd., Shenzhen Titan Clock Technology Co., Ltd., Tianwang Electronics (Shenzhen) Co., Ltd. The main drafters of this section. Zhang Na, Bao Xianyong, Jin Yingshu, Zhao Yan, Wang Yongning, Guo Xingang, Zhong Fei, Qi Zhiping, Wang Yanmin, Sha Jianzhou, Li Yuzhong, Zhang Kelai. Case shell and its accessories gold alloy coating Part 1. General requirements

1 Scope

This part of GB/T 38020 specifies the general requirements for gold alloy coatings. This section applies to the case and its accessories, including the strap that cannot be removed from the case.

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 33725 case and its accessories are resistant to abrasion, scratches and impact tests (GB/T 33725-2017, ISO 23160.2011, MOD) GB/T 38020.2 Table shells and their accessories - Gold alloy coatings - Part 2. purity, thickness, corrosion resistance and adhesion Testing (GB/T 38020.2-2019, ISO 3160-2.2015, MOD)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Gold-plated overlay gold-platedcovering A gold alloy coating obtained by electroplating, electroless plating or other methods. 3.2 Rolled gold covered layered-goldcovering A gold alloy coating layer obtained by bonding a gold alloy foil to a base plate or a bar by a calendering method. 3.3 Gold cover goldcapping A gold alloy coating that can be permanently coated on the surface of the part obtained by different methods. 3.4 Effective surface The surface portion of the gold alloy cover that is important for the appearance and durability of the part. 3.5 Purity The proportion of gold in gold alloys. Usually expressed in thousands of points. Note. 41.67‰=1K.

4 purity of gold alloy

4.1 Gold-plated overlay The minimum purity should be 585‰. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 38020.1-2019_English be delivered?

Answer: Upon your order, we will start to translate GB/T 38020.1-2019_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 38020.1-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38020.1-2019_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.