Five National Standards Edited by Chinalco Group have been officially promulgated

              Recently, the State Administration of Market Supervision and Administration and the National Standardization Administration Committee issued the No. 7 National Standard Bulletin in 2019. Five national standards, which were compiled by the enterprises affiliated to China Aluminum Group, were officially released and will be implemented on May 1, 2020.

GB/T 2085.2-2019 Aluminum Powder Part 2: Ball Milled Aluminum Powder was drafted by Northwest Aluminum and revised on the basis of GB/T 2085.2-2007. Compared with the original standard, the new standard adds two normative reference documents and two brands of products, and modifies the size distribution units and the oil content of FLQ355B, FLQ80A, FLQ56 and FLQ45. In addition, the new standard also adds a formula for calculating alumina content and relevant requirements for packaging dangerous goods for export.

GB/T3191-2019 Aluminum and Aluminum Alloy Extruded Bars was drafted by Northwest Aluminum and revised on the basis of GB/T3191-2010. The new standard has been revised in terms of alloy grades, specifications and status. It will play a normative role in domestic production and export of aluminium and aluminium alloy extruded bar products, provide technical guidance for aluminium alloy bar production enterprises to carry out normative production, and provide basis for orderers.

GB/T8005.1-2019 "Terminology of Aluminum and Aluminum Alloys Part 1: Products and Processing Technology" was drafted by SWA and revised on the basis of GB/T3191-2008. This standard is the basic standard for aluminium and aluminium alloy products and processing technology. It is revised to standardize the terminology definition of the industry, mainly to ensure the quality of aluminium and aluminium alloy products in China, to make our products meet the needs of the international market. The implementation of this standard is of great significance for standardizing the classification of aluminium and aluminium products in China, formulating product standards and guiding production.

GB/T 20975.30-2019 "Chemical Analysis Methods for Aluminum and Aluminum Alloys Part 30: Determination of Hydrogen Content, Heating Extraction Thermal Conductivity Method" was drafted and formulated by Dongguang Company. This standard specifies the determination method of hydrogen content in solid aluminium and aluminium alloy, and is suitable for the determination of hydrogen content in solid aluminium and aluminium alloy.

GB/T37567-2019 Copper and Copper Alloy Plates and Strips for Architectural Decoration was drafted and formulated by Luoyang Copper Processing. This standard is based on the actual production status of copper and copper alloy sheet and strip for architectural decoration in China. It is formulated according to the technical requirements of customers and the European Union standard indicators of foreign advanced product standards. This standard specifies in detail and clearly the performance indexes and requirements of copper and copper alloy sheet and strip for building decoration, which can better regulate the products, meet the applicability of products and promote the development of building decoration products.