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GB/T 28770-2012 English PDF

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US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28770-2012: Test methods for solders
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28770-2012	419	Add to Cart	3 days	Test methods for solders	Valid

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Basic data

Standard ID: GB/T 28770-2012 (GB/T28770-2012)
Description (Translated English): Test methods for solders
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J33
Classification of International Standard: 25.160.50
Word Count Estimation: 18,197
Quoted Standard: GB/T 228.1-2010; GB/T 622-2006; GB/T 686-2008; GB/T 2040-2008; GB/T 3375; GB/T 7814-2008; GB/T 8170-2008; GB/T 14020-2006; GB/T 16261-1996; GB/T 19405.1-2003; GB/T 21652-2008; SJ/T 10668-2002
Regulation (derived from): National Standards Bulletin No. 28 of 2012
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 tensile test solder wettability test, QFP lead soldered joints 45 �� angle pull-off test (see Appendix B) and chip components solder joint shear test method (see Appendix C). This standard applies to lead-free solder and tin- le

GB/T 28770-2012: Test methods for solders

---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.
ICS25.160.50 J33 National Standards of People's Republic of China Test methods for solders Issued on. 2013-03-01 2012-11-05 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. This standard by the National Standardization Technical Committee welded (SAC/TC55) and focal points. This standard was drafted. Harbin Welding Research Institute, Shenzhen billion Cheng Industrial Co., Ltd. Zhejiang Asia-Welding Co., Ltd., Harbin Industry Industry University, Guangdong Anson tin products Manufacturing Co., Ltd. Shaoxing Dragon tin timber, Sun East Electronic Technology (Shenzhen) Co., Ltd., Hunan, Chen State Golden Arrow Solder Co., Ltd., the Ministry of Industry and Information Technology Institute of Electronics V. The main drafters of this standard. Du Bing, Ma Xin, Peng, Gu Xiaolong, Xian display, Tai Kuo water, Shi Jianxin Wei, Tang and l, Luodao Jun, Lv Xiaochun. Test methods for solders

1 Scope

This standard specifies the tensile test solder wettability test, QFP lead soldered joints 45 ° angle of pull-off test (see Appendix B) and sheet Component type brazed joint shear test method (see Appendix C). This standard applies to performance test lead-free solder and tin-lead solder, other solder can also refer to use.

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 228.1-2010 tensile testing of metallic materials - Part 1. Test methods at room temperature (ISO 6892-1.2009, MOD) GB/T 622-2006 Chemicals hydrochloric acid (ISO 6353-2. 1983, NEQ) GB/T 686-2008 Chemicals acetone (ISO 6353-2. 1983, NEQ) GB/T 2040-2008 copper and copper alloy sheet GB/T 3375 soldering term GB/T 7814-2008 industrial isopropanol GB/T 8170-2008 represent numerical rounding rules and limit values \u200b\u200band judgment GB/T 14020-2006 hydrogenated rosin GB/T 16261-1996 total PCB specification (IEC /PQC88.1990, IDT) GB/T 19405.1-2003 surface mounting technology - Part 1. Standard method for surface mounting of components Specification (IEC 61760- 1.1998, IDT) GB/T 21652-2008 copper and copper alloy wire SJ/T10668-2002 for surface mount technology

3 Terms and Definitions

GB/T 228.1, GB/T 3375, SJ/T10668 defined and the following terms and definitions apply to this document. 3.1 Gauge (L) gaugelength Cylindrical specimens measuring the elongation or length of the prism portion used. 3.2 Original gauge length (L0) originalgaugelength Before urging specimen gauge distance at room temperature. 3.3 The parallel length (Lc) paralellength Reduce the length of the parallel portion of the sample. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28770-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28770-2012_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 28770-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28770-2012_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.