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GB/T 38939-2020: Nickel-based alloy--Determination of multi-element contents--Spark discharge atomic emission spectrometric method(routine method)
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GB/T 38939-2020: Nickel-based alloy--Determination of multi-element contents--Spark discharge atomic emission spectrometric method(routine method)

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(Nickel-based alloys Determination of multi-element content Spark discharge atomic emission spectrometry (conventional method)) ICS 77.120.40 H25 National Standards of People's Republic of China Determination of multi-element content of nickel-based alloys Spark discharge Atomic emission spectrometry (conventional method) 2020-06-02 release 2020-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This standard was drafted by. Hebei Iron and Steel Group Co., Ltd., Gangyan Nack Testing Technology Co., Ltd., China Aviation Development Beijing Aviation Materials Research Institute Research Institute, Zhejiang Special Equipment Research Institute, Baoshan Iron & Steel Co., Ltd., Baosteel Special Steel Co., Ltd., Shanghai Institute of Materials, China Institute of Metal Research, Academy of Sciences, Jiangyin Product Quality Supervision and Inspection Institute, Pangang Group Jiangyou Great Wall Special Steel Co., Ltd., Chengdu Aircraft Industry (Ji Group) Co., Ltd., Wuhan Iron and Steel Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Liu Jie, An Zhiguo, Ge Jingjing, Ren Lingling, Jia Yunhai, Luo Qianhua, Chen Zibin. Determination of multi-element content of nickel-based alloys Spark discharge Atomic emission spectrometry (conventional method)

1 Scope

This standard stipulates the determination of carbon, silicon, manganese, phosphorus, sulfur, chromium, copper, molybdenum, cobalt, aluminum, iron, titanium, by spark discharge atomic emission spectrometry. Analytical methods for the content of boron, niobium, vanadium and zirconium. This standard applies to the determination of the content of each element defined in Table 1 in nickel-based alloys. Table 1 The applicable scope and quantitative scope of each element element Scope of application (quality score) Quantification range (mass fraction) C 0.005~0.25 0.01~0.15 Si 0.01~1.5 0.1~1.1 Mn 0.005~2.0 0.06~2.0 P 0.001~0.040 0.002~0.040 S 0.0005~0.025 0.001~0.025 Cr 0.05~30 2~27 Cu 0.005~34 0.06~2.0 29~33 Mo 0.003~32 1.8~27 Co 0.01~20 0.06~13 Al 0.002~7.0 0.08~6.5 Fe 0.05~35 1.5~32 Ti 0.002~5.0 0.20~3.5 B 0.001~0.10 0.002~0.012 Nb 0.01~6.0 0.09~5.3 V 0.001~1.0 0.015~0.40 Zr 0.004~0.20 0.004~0.090 Note. "Quantitative range" is the range of the content of each element verified by the precision test; "Applicable range" is the range determined according to the detection ability of the instrument. In the content section verified by precision test, the laboratory shall first confirm the method when determining the content sample.

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. ...