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See Chinese contents: GB 21350-2023 GB 21350-2023: The norm of energy consumption per unit production of wrought copper and copper alloy
This document stipulates the levels of allowance, technical requirements, statistical scope, and calculation methods for energy consumption per unit throughput of wrought copper and copper alloy products (hereinafter referred to as energy consumption). This document applies to the calculation and assessment of per unit throughput energy consumption of manufacturing enterprises that wrought copper and copper alloy ingots (billets), tubes, rods, wires, sheets, strips, foils, and the copper drawing stocks for electrical purposes, as well as energy consumption control for new and expansion projects. This document is not applicable to the calculation and assessment of energy consumption of wrought copper and copper alloy products produced by special processes such as powder metallurgy, vacuum casting, multi-stage aging, etc.
