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www.ChineseStandard.net Database: 189760 (25 Oct 2025)

YS/T 861.4-2013 English PDF

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YS/T 861.4-2013: Methods for chemical analysis of niobium-titanium alloy. Part 4: Determination of carbon content. The high-frequency infrared absorption method
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
YS/T 861.4-2013	English	159	Add to Cart	3 days [Need to translate]	Methods for chemical analysis of niobium-titanium alloy. Part 4: Determination of carbon content. The high-frequency infrared absorption method	Valid	YS/T 861.4-2013

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Basic data

Standard ID	YS/T 861.4-2013 (YS/T861.4-2013)
Description (Translated English)	Methods for chemical analysis of niobium-titanium alloy. Part 4: Determination of carbon content. The high-frequency infrared absorption method
Sector / Industry	Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard	H63
Classification of International Standard	77.120.99
Word Count Estimation	6,618
Regulation (derived from)	Ministry of Industry and Information Technology Bulletin 2013 No. 23; industry standard filing Notice 2013 No. 7 (No. 163 overall)
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the niobium-titanium alloy materials, method of measuring the amount of carbon. This standard applies to niobium-titanium alloy materials Determination of carbon content, Measuring range: 0. 0020% to 0. 10%.

YS/T 861.4-2013: Methods for chemical analysis of niobium-titanium alloy. Part 4: Determination of carbon content. The high-frequency infrared absorption method

---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.
Methods for chemical analysis of niobium-titanium alloy Part 4. Determination of carbon content The high-frequency infrared absorption method ICS 77.120.99 H63 People's Republic of China Nonferrous Metals Industry Standard Niobium-titanium alloys Part 4. Determination of carbon contents Frequency combustion infrared absorption method Part 4. Determinationofcarboncontent- Issued on. 2013-04-25 2013-09-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 861 "niobium-titanium alloy chemical analysis method" is divided into five sections. --- Part 1. aluminum, nickel, silicon, iron, chromium, copper, tantalum content - Inductively coupled plasma atomic emission spectrometry; --- Part 2. oxygen, the determination of nitrogen inert gas fusion infrared absorption/thermal conductivity method; --- Part 3. Determination of hydrogen content of inert gas fusion thermal conductivity method; --- Part 4. Determination of carbon content in the high-frequency combustion infrared absorption method; --- Part 5. Determination of the amount of titanium ammonium ferric sulfate titration. This section YS/T Section 4861 of. This section drafted in accordance with GB/T 1.1-2009 given rules. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is drafted. West Co., Ltd., Northwest Nonferrous Metal Research Institute, Guangzhou Nonferrous Metal Research Institute of metal materials. Drafters of this section. Cao Haihua, Zhao Fei, Wei Dong, Li Tuo, a new layer of stone, Fang, Zheng Wei, Li Bo, Wang Hui, Zhuang Yichun, Wang Jin, Zhang Jin. Niobium-titanium alloys Part 4. Determination of carbon contents Frequency combustion infrared absorption method

1 Scope

YS/T 861 This part specifies the method for the determination of carbon content of niobium-titanium alloy material. This section applies to the determination of niobium-titanium alloy material in the amount of carbon, measuring range. 0.0020% to 0.10%.

2 Method summary

Sample combustion in oxygen to produce carbon dioxide or carbon monoxide in a high frequency induction furnace, carbon monoxide is converted into carbon dioxide catalytic furnace, Carbon dioxide in the infrared cell detection.

3 Reagents

3.1 W flux (carbon content of not more than 0.0005%). 3.2 Ceramic crucible. a muffle furnace at 1000 ℃ ~ 1100 ℃ in burning at least after 2h, placed in a desiccator save. 3.3 Oxygen. volume fraction ≥99.5%. 3.4 Standard sample. sample selection and composition, carbon content similar to standard samples or other applicable standard sample.

4 Instrument

High-frequency infrared carbon and sulfur analyzer. Instrument sensitivity is not less than 0.00001%.

5 Sample

5.1 sample uniform crumb-like samples. 5.2 processes to avoid overheating the sample, allowed to use any coolant samples should be processed to prevent contamination. Step 6 Analysis 6.1 Warm up To fully preheated before instrumental analysis, so that the indicators of the instrument reaches the set value. 6.2 Instrument Leak The use of the instrument or other auxiliary equipment leak detection program to determine the instrument without leakage phenomenon. 6.3 Instrument Calibration Calibrated with standard samples (3.4), make the analysis value within the allowable fluctuation range of the standard values.

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