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GB/T 28487-2012 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28487-2012: Precious metal alloys chains -- Determination of tensile strength -- Method of tensile testing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28487-2012	139	Add to Cart	3 days	Precious metal alloys chains -- Determination of tensile strength -- Method of tensile testing	Valid

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Basic data

Standard ID: GB/T 28487-2012 (GB/T28487-2012)
Description (Translated English): Precious metal alloys chains -- Determination of tensile strength -- Method of tensile testing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y88
Classification of International Standard: 39.060
Word Count Estimation: 6,682
Quoted Standard: GB/T 1423; GB 11887; QB/T 2062; ISO 2602
Regulation (derived from): National Standards Bulletin 2012 No. 13
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
Summary: This standard specifies the required conditions, the determination of precious metals and their alloys chain tensile test methods General principles This standard applies to comply with the provisions of GB 11887 gold and its alloys chain, silver and allo

GB/T 28487-2012: Precious metal alloys chains -- Determination of tensile strength -- Method of tensile testing

---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.
ICS39.060 Y88 National Standards of People's Republic of China Determination of tensile strength of precious metals and their alloys chain Tensile test method Issued on. 2012-11-01 2012-06-29 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. Please note that some content of this document may involve patents, the issuing authority of this document does not assume responsibility for the identification of these patents. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee jewelry (SAC/TC256) centralized. This standard was drafted. National Jewelry Quality Supervision and Inspection Center, Shenzhen Kyrgyzstan UNITA jewelry Co., Ltd. of Shenzhen City Star Jewelry Industrial Co., Ltd., Shenzhen City, Guangdong Hao Jewelry Co., Ltd., Beijing Jewelry Quality Supervision and Inspection Station. The main drafters of this standard. Liang Dawei, Yu body segment, Wang Chunsheng, Lisu Qing, evergreen, Li Kun, Chen Bin, one hundred million, Chen Yilong, Lin Chang-wei, Linnan Kun, Zhou Fen, Chen Xinyu. Determination of tensile strength of precious metals and their alloys chain Tensile test method

1 Scope

This standard sets forth the general principles under specified conditions, the determination of precious metals and their alloys chain tensile test method. This standard applies to gold and alloy chain, silver chain and its alloys, platinum and their alloys chain, palladium and alloys chain GB 11887 requirements.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 1423 Test Method for Density of precious metals and their alloys GB 11887 precious metal purity and designation QB/T2062 precious metal jewelry Statistical processing and interpretation of the mean estimates and confidence intervals ISO 2602 data (Statisticalinterpretationoftest results-Estimationofthemean-Confidenceinterval)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Test speed trailspeed During the test, the testing machine fixture unit time of the separation distance in mm/min units. 3.2 Rally tensileforce Proportional force within the elastic limit, the role of external objects produced by deformation and suffered. Deformation with the direction of force is not With varies, so that the force of said object extending tension. 3.3 Tensile stress tensilestress In any given moment, within a certain length of sample, per unit of the original cross-sectional area suffered a tensile load. With δ expressed to MPa As a unit. 3.4 Tensile strength tensilestrength Also known as tensile strength, means during the tensile test, the specimen subjected to the maximum tensile stress by δM expressed in MPa. Principle 4 Samples constant speed along the longitudinal axis stretched until fracture or stress reaches a predetermined value, measured in the process load on the specimen. According to the load on the specimen and the original cross-sectional area can be calculated to obtain the tensile strength of the sample. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28487-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28487-2012_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 28487-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28487-2012_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.