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QB/T 4055-2017 English PDF

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Q: Should I purchase the latest version QB/T 4055-2017?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version QB/T 4055-2017 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$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
QB/T 4055-2017: Ceramic casings of watches
Status: Valid

QB/T 4055: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
QB/T 4055-2017	259	Add to Cart	3 days	Ceramic casings of watches	Valid
QB/T 4055.1-2010	90	Add to Cart	Auto, < 3 mins	Cermet casing of watches - Part 1: Oxide cermet casings	Obsolete

Similar standards

GB/T 38023 GB/T 30106 QB/T 4054 QB/T 4053 QB/T 4052

Basic data

Standard ID: QB/T 4055-2017 (QB/T4055-2017)
Description (Translated English): Ceramic casings of watches
Sector / Industry: Light Industry Standard (Recommended)
Classification of Chinese Standard: Y11
Classification of International Standard: 39.040.10
Word Count Estimation: 11,184
Date of Issue: 2017-01-09
Date of Implementation: 2017-07-01
Older Standard (superseded by this standard): QB/T 4055.2-2011; QB/T 4055.1-2010
Regulation (derived from): Ministry of Industry and Information Technology Announcement No.2 of 2017
Issuing agency(ies): Ministry of Industry and Information Technology

QB/T 4055.1-2010 ICS 39.040.10 CLC. Y11 Reference No.. 28893-2010 Light Industry Standard of The People’s Republic of China Cermet Casings of Watches Part 1. Oxide Cermet Casings Issued on April 22, 2010 Implemented on October 1, 2010 Issued by. Ministry of Industry and Information Technology of the People’s Republic of China

Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Meaning ... 5 4 Terms and Definitions ... 5 5 Technical Requirements ... 5 6 Test Methods ... 7 7 Inspection rules ... 7 8 Marking, packaging, transportation, and storage ... 10 Appendix A ... 11 References and Original Chinese Documents ... 12

Foreword

The standard of QB / T 4055 "Cermet casings of watches” is divided into two portions. Part1. Oxide cermet casings Part2. Carbide cermet casings This Section is Part 1 of QB/T4055. Appendix A of this Section is normative. This Section was proposed by the China Light Industry Federation. This Section is administered by the National Standardization Center. This Section is drafted by companies. Shenzhen FIYTA Sophisticated Manufacturing Co., Ltd.; Shenzhen Fiyta (Group) Co., Ltd. This Section is drafted by. Jie Chen, Bao Xianyong, Yan Ming, Cui Xiaolong, Zhang Na. This Section is first-time released. Cermet casings of watches Part 1. Oxide cermet casings

Scope

This Section specifies the terms and definitions, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of oxide cermet casings of watches (Hereinafter referred to as "casing"). This Section applies to the casings which use zirconia (ZrO2) as the main composition of Oxide cermet. Casings which use other ingredients may also reference to this Standard.

Normative References

The following normative documents contain provisions which, through reference in the text, constitute provisions of this Section. For dated reference, subsequent amendments to, or revisions of, any of these publications (excluding contents of corrigenda) do not apply. However, parties who enter into agreements based on this Section are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies. GB/T 2828.1 Sampling procedures for inspection -part1. Batch inspection sampling plan by acceptance quality limit (AQL) retrieval. GB/T2829 periodic inspection Sampling procedures and tables (for testing the stability of the production process). GB/T 3489 Metallographic determination of porosity and uncombined carbide carbon. GB/T4028 Inspection location marker of the timing equipment. GB/T 6569 Fine ceramics bending strength test method. GB/T 7997 Carbide Vickers hardness test method. GB/T 10700 Fine ceramics elastic modulus test method for bending method. GB/T 14256 Timing of academic language -Part2. technical and commercial definitions QB/T 1901.2 Cases and accessories gold alloy coverings - Part2. purity, thickness, corrosion resistance and bonding strength. 3 Meaning Marking "fine ceramics”, and casings made of Oxide cermet, shall meet the requirements specified in this Section. 4 Terms and Definitions The definitions established in GB/T14256 and the following terms and definitions apply to this Section. 4.1 Fine ceramic The ceramic which adopts highly-selected raw materials; consists of precise chemical composition; is manufactured according to the methods of easy-structural-design and easy-manufacturing-control; and has excellent characteristics. 4.2 Casing All parts which attach to the machine-core, have effect on the shape, protection, fixing, and control of the machine-core. They refers to the watch case, back-cover, crown, buttons, and watch-belt. 5 Technical Requirements 5.1 Impact resistance After the impact test, the casings shall be no-damage, no-chipping, no-cracks and no-other-defects; connecting parts shall be no-shedding. 5.2 Corrosion resistance After the corrosion test for a predetermined time in Table 1, the surface of the casings C) When the product design, structure, processes, materials have significant changes or when the product transfers production. D) When National Quality Supervision and Inspection agency calls for the type inspection. 8 Marking, packaging, transportation, and storage 8.1 Marking If casings meet the requirements of Chapter 5, it may use the following markup language and terminology - in product certification or manual of the corresponding watch; or at appropriate position of the watch. English Abbreviations all fine ceramic AFC fine ceramic case FCC fine ceramic bezel FCB band with semi-fine ceramic BSFC band with fine ceramic BFC 8.2 Packaging 8.2.1 Casings shall be loaded into a fixed and reliable box, to ensure no-collision, no-extrusion and no-damage. 8.2.2 Packaging shall have the functions of avoiding moisture and shock, external packing shall have the logos of "Handle with Care", "Moisture-proof". 8.3 Transportation and storage 8.3.1 During the transportation, casings shall be handled with great care, they cannot be squeezed and need avoiding-shock, voiding-strong-vibration. 8.3.2 When casings are stored, they shall not be piled with other heavy objects. Storage environment shall be kept dry and ventilated. And it shall be stored away from those goods which may generate corrosive gases. References and Original Chinese Documents [1] QB/T 4055.1-2010 Cermet casing of watches. Part 1.Oxide cermet casings. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of QB/T 4055-2017_English be delivered?

Answer: Upon your order, we will start to translate QB/T 4055-2017_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 QB/T 4055-2017_English with my colleagues?

Answer: Yes. The purchased PDF of QB/T 4055-2017_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.

Question 5: Should I purchase the latest version QB/T 4055-2017?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version QB/T 4055-2017 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.