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See Chinese contents: GB 21351-2023 GB 21351-2023: The norm of energy consumption per unit production of wrought aluminium and aluminium alloys
This document specifies product classification of wrought aluminium and aluminium alloys, levels of norm of energy consumption per unit production, technical requirements, energy consumption statistical scope and calculation methods. This document is applicable to the calculation and assessment of unit product energy consumption (hereinafter referred to as energy consumption) of manufacturers of wrought aluminium and aluminium alloys for general industrial use, as well as energy consumption control of new projects. This document does not apply to the calculation and assessment of energy consumption of aluminum and aluminum alloy products produced in special fields such as aviation and aerospace, as well as powder metallurgy, injection molding and other special processes.
