YS/T 515-2012 English PDF

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YS/T 515-2012: Test method for sag of tungsten wire
Status: Valid

YS/T 515: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 515-2012	189	Add to Cart	3 days	Test method for sag of tungsten wire	Valid
YS/T 515-2006	199	Add to Cart	2 days	Tungsten sagging test method	Obsolete

Similar standards

YS/T 656   GB/T 4325.5   GB/T 3458   YS/T 516   YS/T 524   YS/T 508   

Basic data

Standard ID: YS/T 515-2012 (YS/T515-2012)
Description (Translated English): Test method for sag of tungsten wire
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.120.99
Word Count Estimation: 7,778
Older Standard (superseded by this standard): YS/T 515-2006
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2012 No. 20; industry standard filing Notice 2012 No. 10 (No. 154 overall)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies test methods and sag tungsten test reporting requirements. This standard applies to diameter 0. 39 mm and 1. 00 mm diameter tungsten-doped sagging performance testing.

YS/T 515-2012: Test method for sag of tungsten wire

---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.
Test method for sag of tungsten wire ICS 77.120.99 H63 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 515-2006 Tungsten sagging Test Method Issued on. 2012-05-24 2012-11-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Instead of the standard YS/T 515-2006 "tungsten sagging test methods" (formerly GB 4105-1983). This standard YS/T 515-2006 compared to the main changes are as follows. --- Improved test methods; --- Modify the scope of application; --- Increasing the test report. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Hong Lu Xiamen Tungsten Molybdenum Industry Co., Ltd., China Nonferrous Metals Industry Institute of Standards and Metrology and Quality. The main drafters of this standard. Peng Fusheng, Zhang Yancheng, Guoqin, Caigui Min, Zhang Yun, Lin Lirong, Zhu Bingcan, Jiang vanilla. This part of the standard replaces the previous editions are. --- GB 4105-1983; --- YS/T 515-2006. Tungsten sagging Test Method

1 Scope

This standard specifies the tungsten sagging Test Method and reporting requirements. This standard applies to φ0.39mm and φ1.00mm doped tungsten sagging performance testing.

2 principle of the method

Tungsten wire cantilever state, the occurrence of secondary recrystallization at high temperatures and the action of gravity, due to the grain boundary sliding sagging. Drooping Cheng Associated with quality of tungsten, tungsten which to judge the performance of high temperature.

3 Reagents and materials

3.1 Sodium hydroxide solution (100g/L). 3.2 Hydrogen, dew point lower than -45 ℃.

4 Test Equipment

4.1 V type high-temperature tungsten wire tester Tungsten V-temperature test machine is shown in Figure 1. Figure 1 V-type high-temperature tungsten wire tester schematic ......

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