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GB/T 38384-2019 English PDF

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GB/T 38384-2019: Spherical molybdenum powder
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GB/T 38384-2019English119 Add to Cart 3 days [Need to translate] Spherical molybdenum powder Valid GB/T 38384-2019

PDF similar to GB/T 38384-2019


Standard similar to GB/T 38384-2019

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Basic data

Standard ID GB/T 38384-2019 (GB/T38384-2019)
Description (Translated English) Spherical molybdenum powder
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H72
Classification of International Standard 77.160
Word Count Estimation 6,693
Date of Issue 2019-12-31
Date of Implementation 2020-11-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 38384-2019: Spherical molybdenum powder

---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.
Spherical molybdenum powder ICS 77.160 H72 National Standards of People's Republic of China Molybdenum powder 2019-12-31 release 2020-11-01 implementation State Administration of Market Supervision Published by the National Standardization Administration

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Nonferrous Metals Industry Association. This standard is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243). This standard was drafted. Jinduicheng Molybdenum Industry Co., Ltd., Northwest Nonferrous Metal Research Institute, Nonferrous Metal Technology and Economic Research Institute, Xi'an Ouzhong Material Technology Co., Ltd. The main drafters of this standard. Zhuang Fei, Yang Qinli, Cao Weicheng, Fu Jingbo, Chen Qiang, Feng Pengfa, Wang Lili, Bai Zhihui, Cao Qigao, Wang Guoliang, Liang Shujin. Molybdenum powder

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, packaging, marking, storage and transportation, quality certificate and order form of spherical molybdenum powder. (Or contract) content, etc. This standard applies to spherical molybdenum powder produced by plasma spheroidization technology.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 1479.1 Determination of bulk density of metal powders-Part 1. Funnel method GB/T 1480 Determination of particle size by dry screening of metal powder GB/T 1482 Determination of fluidity of metal powder by standard funnel method (Hall flow meter) GB/T 4325 (all parts) Chemical analysis methods for molybdenum GB/T 5314 Powder sampling method for powder metallurgy GB/T 8170 Numerical rounding rules and expression and judgment of limit values YS/T 1297 Method for determination of sphericity of titanium and titanium alloy powder

3 Technical requirements

3.1 Chemical composition The chemical composition of the product should meet the requirements in Table 1. Table 1 Chemical composition% Product Grade PMo-1 Mo content (mass fraction) a, not less than 99.95 Impurity content (mass fraction), no greater than Fe 0.0050 Ni 0.0020 Si 0.0020 W 0.020 C 0.0080 O 0.0800 a Molybdenum content is calculated according to the impurity reduction method (except for gas elements such as C and O). 3.2 Granularity The particle size of the product should meet the requirements in Table 2.

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