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GB/T 18762-2017 English PDF

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GB/T 18762-2017: Specification for filler brazing materials made of precious metal and their alloy
Status: Valid

GB/T 18762: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 18762-2017English359 Add to Cart 4 days [Need to translate] Specification for filler brazing materials made of precious metal and their alloy Valid GB/T 18762-2017
GB/T 18762-2002English439 Add to Cart 3 days [Need to translate] Filler precious metal and their alloy brazing materials Obsolete GB/T 18762-2002

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Basic data

Standard ID GB/T 18762-2017 (GB/T18762-2017)
Description (Translated English) Specification for filler brazing materials made of precious metal and their alloy
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H68
Classification of International Standard 77.150.99
Word Count Estimation 18,150
Date of Issue 2017-07-12
Date of Implementation 2018-06-01
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

GB/T 18762-2017: Specification for filler brazing materials made of precious metal and their alloy


---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.
Specification for filler brazing materials made of precious metal and their alloy ICS 77.150.99 H68 National Standards of People's Republic of China Replacing GB/T 18762-2002 Specification for precious metals and their alloys 2017-07-12 released 2018-06-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 18762-2002 "Precious metals and their alloys". This standard compared with GB/T 18762-2002, the main technical changes are as follows. --- increased BAg71.7CuNiLi780/800, BAg30Cu780/945, BAg66CuNi785/820, BAg63CuNi785 / Lt;/RTI & gt; 800, BAg71CuP700/780, BAg68CuSn672/746, BAg60CuIn650/740, BAg90In850/887, BAg60CuZn, BAg49CuZnMnNi625/690, BAg37.5CuZnMn725/810 a total of 15 silver alloy solder grades; --- delete the BAg72CuLi780/800, BAg77CuNi780/820, BAg58CuInSn, BAg30CuP a total of four silver alloy brazing Grade number --- The silver alloy containing Pd alloy grades BAg68CuPd807/810, BAg58CuPd824/852, BAg65CuPd845/880, BAg52CuPd867/900, BAg54CuPd900/950 a total of five classified into the palladium solder, an increase of BPd37NiCrSiB818/992 Palladium alloy solder grade 1; --- Added BAu81.5CuNi910/930, BAu88Pd1260/1300, BAu92Pd1190/1230, BAu50PdNi1121, Lt;/RTI & gt; BAu42Cu980/1000 a total of nine gold alloy solder grades; --- the original standard wire diameter range > 0.1mm ~ 0.2mm, allowable deviation of -0.03mm and > 0.2mm ~ 0.5mm, allowing Deviation -0.04mm, combined revised to > 0.1mm ~ 0.5mm, allowable deviation of -0.02mm; wire diameter range from > 1.0mm ~ 2.0mm, allowable deviation of -0.06mm and > 2.0mm ~ 3.0mm, allowable deviation of -0.07mm, combined Revised to > 1.0mm ~ 3.0mm, allowable deviation of -0.06mm; The thickness range and dimensional tolerances of the strip are also merged and revised, and the thickness and thickness tolerances of the original standard strip > 0.1 mm to 0.25 mm to 0.02 mm, > 0.25 mm to 0.50 mm to 0.03 mm, and & gt; 0.50 mm to 1.0 mm- 0.05mm, combined with > 0.1mm ~ 0.30mm-0.02mm, > 0.30mm ~ 1.0mm-0.04mm; thickness range And thickness tolerance > 1.0mm ~ 1.50mm-0.06mm, > 1.50mm ~ 2.0mm-0.08mm, > 2.0mm ~ 2.50mm-0.12mm and > 2.5mm ~ 5.0mm-0.15mm, combined with > 1.0mm ~ 2.0mm-0.06mm, > 2.0 mm to 3.0 mm to 0.08 mm and > 3.0 mm to 5.0 mm to 0.10 mm; --- increase the old and new alloy brand comparison table. This standard is proposed by China Nonferrous Metals Industry Association. This standard is owned by the National Committee for the Standardization of Nonferrous Metals (SAC/TC243). The drafting of this standard unit. your research Platinum Co., Ltd., Nonferrous Metals Technology and Economic Research Institute, Northwest Nonferrous Metals Research Institute. The main drafters of this standard. Jiang Chuangui, Zhu Wuxun, Xiang Lei, Wang Haiyan, Wang Jianping, Zhang Chunrong, Zheng Jing. This standard replaced the previous version of the standard release. --- GB/T 18762-2002. Specification for precious metals and their alloys

1 Scope

This standard specifies the technical requirements, test methods and inspection rules for precious metals and their alloys, wire, sheet, strip and foil. Chi, packaging, transportation, storage, quality certificates and contract contents. This standard applies to the general welding and vacuum welding equipment with precious metals and alloy solder.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Test method for thermal analysis of melting temperature range of precious metals and their alloys GB/T 1425 GB/T 15072 (all parts) Chemical analysis of precious metal alloys GB/T 15077 Geometrical measurement methods for precious metals and their alloys Glossary of Precious Metals and Their Alloys GB/T 17684 Methods for the representation of precious metals and their alloys GJB950A (all parts) Precious metals and their alloys Trace element analysis method SJ/T 10754 Methods of test for gold, silver and its brazing solder for electronic devices - Cleanliness test method SJ/T 10755 Methods of test for gold, silver and its brazing solder for electronic devices - Method of sputtering test

3 terms and definitions

GB/T 17684 The terms and definitions defined apply to this document.

4 requirements

4.1 Product classification 4.1.1 Example of product marking method and marking The standard alloy grades are shown in GB/T 18035-2000. The old and the old grades and the reference melting temperature are shown in the attached table. Record A. Pure metal and eutectic alloy solidus and liquidus temperature is the same, the solder solid, liquidus temperature is expressed as a single data. Vacuum brazing The solder filler grade indicates the method of adding V to B, see the example of the mark. The solder grade is expressed as follows. B (□) □/□ Solder liquid line temperature Solder solidus temperature The basic elements of brazing filler metal and its content, add elements Hard solder code

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