YS/T 516-2012 English PDF

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YS/T 516-2012: Determination method for secondary recrystallization temperature of tungsten wire
Status: Valid

YS/T 516: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 516-2012	189	Add to Cart	3 days	Determination method for secondary recrystallization temperature of tungsten wire	Valid
YS/T 516-2006	199	Add to Cart	2 days	Tungsten secondary recrystallization temperature measurement method	Obsolete

Similar standards

YS/T 656   GB/T 4325.5   GB/T 3458   YS/T 515   YS/T 524   YS/T 508   

Basic data

Standard ID: YS/T 516-2012 (YS/T516-2012)
Description (Translated English): Determination method for secondary recrystallization temperature 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: 7,777
Older Standard (superseded by this standard): YS/T 516-2006
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 the tungsten secondary recrystallization temperature measurement method. This standard applies to ��0. 35mm ~ ��1. 0mm doped tungsten secondary recrystallization temperature measurement.

YS/T 516-2012: Determination method for secondary recrystallization temperature 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.
Determination method for secondary recrystallization temperature of tungsten wire ICS 77.120.99 H63 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 516-2006 Tungsten secondary recrystallization temperature measuring 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 516-2006 "tungsten secondary recrystallization temperature measurement method" (formerly GB 4106-1983). This standard YS/T 516-2006 compared to the main changes are as follows. --- Changed the test principle and 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 Industrial Co., Ltd. The main drafters of this standard. Peng Fusheng, Zhang Yancheng, Guoqin, Caigui Min, Lin Lirong, Zhu Bingcan, Jiang vanilla. This part of the standard replaces the previous editions are. --- GB 4106-1983; --- YS/T 516-2006. Tungsten secondary recrystallization temperature measuring method

1 Scope

This standard specifies the secondary tungsten recrystallization temperature measurement method. This standard applies to φ0.35mm ~ φ1.0mm doped tungsten secondary recrystallization temperature measurement.

2 principle of the method

Secondary recrystallization, microstructure showed coarse grains appear, by metallographic observation under different heat treatment conditions can be identified Opportunities arise coarse grains, corresponding to the heat treatment conditions, to determine the starting sample recrystallization temperature and complete recrystallization temperature. Recrystallization temperature As a percentage of the tungsten filament fusion current () representation.

3 Reagents and materials

3.1 Sodium hydroxide solution (100g/L). 3.2 potassium ferricyanide solution (300g/L). 3.3 Hydrogen, dew point lower than -45 ℃. Etchant 3.4. 1 ratio by mixing iron potassium cyanide solution (3.2) and sodium hydroxide solution (3.1).

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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