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GB/T 41338-2022: Tungsten and tungsten alloy powder for additive manufacturing
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 41338-2022 | English | 159 |
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Tungsten and tungsten alloy powder for additive manufacturing
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GB/T 41338-2022
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Basic data | Standard ID | GB/T 41338-2022 (GB/T41338-2022) | | Description (Translated English) | Tungsten and tungsten alloy powder for additive manufacturing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H71 | | Word Count Estimation | 8,887 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41338-2022: Tungsten and tungsten alloy powder for additive manufacturing---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.
Tungsten and tungsten alloy powder for additive manufacturing
ICS 77.160;25.030
CCSH71
National Standards of People's Republic of China
Tungsten and Tungsten Alloy Powder for Additive Manufacturing
Published on 2022-03-09
2022-10-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Nonferrous Metals Industry Association.
This document is sponsored by the National Nonferrous Metals Standardization Technical Committee (SAC/TC243) and the National Additive Manufacturing Standardization Technical Committee
(SAC/TC562) common focal point.
This document is drafted by. Institute of Materials and Processing of Guangdong Academy of Sciences, Institute of Nonferrous Metals Technology and Economics Co., Ltd., Stardust
Technology (Guangdong) Co., Ltd., Beijing Compuxiwei Technology Co., Ltd., Xi'an Ouzhong Material Technology Co., Ltd., Beikuang New Material Technology Co., Ltd.
Company, Luoyang Jinlu Cemented Carbide Tools Co., Ltd., Northwest Nonferrous Metals Research Institute, Xi'an Sailong Metal Materials Co., Ltd., Guangdong Yinna
Technology Co., Ltd., Jiangsu Willary New Material Technology Co., Ltd., Shenzhen Haoqing Technology Co., Ltd., China Machinery Research Institute Standard Technology Research Institute
(Beijing) Co., Ltd., Guangzhou Sailong Additive Manufacturing Co., Ltd., Beijing University of Technology, Northwestern Polytechnical University, Shanghai Institute of Materials, Zheng
State University.
The main drafters of this document. Liu Xin, Tan Chong, Shi Qi, Wu Yanhua, Mao Xinhua, Wang Yonghui, Zuo Zhenbo, Zhang Xin, Yang Yue, Yang Guangyu, He Weiwei,
Li Guangbing, Tang Yueyue, Xu Xuan, Guo Yu, Li Haibin, He Dingyong, Yu Jun, Yang Qiyun, Hao Zhenhua, Tan Lixin, Zhang Yuqing, Zhang Guofeng,
Li Xiaohui and Tan Zhen.
Tungsten and Tungsten Alloy Powder for Additive Manufacturing
1 Scope
This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage,
Accompanying documents and order form content.
This document applies to tungsten and tungsten alloy powders for additive manufacturing.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (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 sieving method of metal powder
GB/T 1482 Standard funnel method for the determination of fluidity of metal powders (Hall flowmeter)
GB/T 4324 (all parts) Tungsten chemical analysis method
GB/T 5162 Determination of Tap Density of Metal Powders
GB/T 5314 Powder sampling method for powder metallurgy
GB/T 14265 General Rules for Analytical Methods of Hydrogen, Oxygen, Nitrogen, Carbon and Sulfur in Metallic Materials
GB/T 19077 Particle Size Distribution Laser Diffraction Method
GB/T 35351 Additive Manufacturing Terminology
3 Terms and Definitions
Terms and definitions defined in GB/T 35351 apply to this document.
4 Technical requirements
4.1 Chemical composition
The chemical composition of the product should meet the requirements of Table 1.
Table 1 Chemical composition
grade
Chemical composition (mass fraction)
W Mo Ni Fe Al Mg Si Ca CNHO
W-1a
99.96
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.03
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