GB21350-2023

The norm of energy consumption per unit production of wrought copper and copper alloy

铜及铜合金加工材单位产品能源消耗限额

GB 21350-2023 é uma norma nacional chinesa obrigatória vigente: The norm of energy consumption per unit production of wrought copper and copper alloy. Setor: Construção. Foco: Eficiência energética. Entrada em vigor: 1 de jun. de 2024.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

This standard applies to enterprises processing copper and copper alloy ingots, tubes, bars, wires, plates, strips, foils, and electrical copper wire rods. This standard is mandatory for energy consumption assessment and new project approvals in China. It does not apply to special processes such as powder metallurgy or vacuum melting.

Requisitos técnicos

The standard classifies energy consumption limits into three tiers: Tier 1, Tier 2, and Tier 3. Existing facilities must comply with Tier 3, while new and renovated/expanded facilities must meet Tier 2. It specifies comprehensive energy consumption limits for melting and casting processes, processing processes, and full processes. The requirements vary by product type and production method, such as extrusion and continuous casting. Manufacturers must strictly adhere to these tiered limits to maintain market access.

Métodos de ensaio

The standard outlines the statistical scope, including production, auxiliary, and affiliated systems. It provides a formula for calculating the comprehensive energy consumption per unit product, factoring in various energy conversion coefficients referenced in the appendices. Accurate calculation of comprehensive energy consumption is required for compliance reporting.

Perguntas frequentes

What products are regulated under GB 21350-2023?

It applies to copper and copper alloy processed materials, including tubes, bars, wires, plates, strips, foils, and copper wire rods for electrical purposes.

What is the difference between existing and new facilities under GB 21350-2023?

Existing facilities must comply with the Tier 3 energy consumption limits, while new and renovated/expanded facilities must meet the stricter Tier 2 limits.

Which previous standards does GB 21350-2023 replace?

It replaces GB 21350-2013, GB 29137-2012, GB 29442-2012, GB 29443-2012, and GB 32046-2015, consolidating them into a single comprehensive standard.

The summary above provides a high-level overview of GB 21350-2023. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 21350-2023 today to access all detailed parameters, tables, and testing procedures.

Indicações de aplicabilidade

Tipo: Gestão
CCS: F01
ICS: 27.010
Órgão competente: Standardization Administration of China
Comitê técnico: National Technical Committee on Energy Fundamentals and Management of Standardization Administration of China

Relações

Substitui:GB 21350-2013, GB 29137-2012, GB 29442-2012, GB 29443-2012, GB 32046-2015