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GB/T 45436-2025Code for technical upgrading of EAF process and equipment (English PDF)

电炉工艺及装备技术改造规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 28, 2025

Implementation date

October 1, 2025

Scope

GB/T 45436-2025 is the English-translated version of 电炉工艺及装备技术改造规范.

GB/T 45436-2025 is the Chinese standard "Code for technical upgrading of EAF process and equipment". Its scope clause reads: This document specifies the process flow and smelting furnace type, technical transformation requirements, safety and environmental protection transformation, Debugging, operation and maintenance.

This document is applicable to the technical transformation and acceptance of the process and equipment of AC electric arc furnaces, and shall be used as a reference for new electric arc furnaces. Its clauses include terms and definitions.

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Document preview — GB/T 45436-2025

National Standard of the People's Republic of China

ICS: 77.010
Classification: H 04

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references

1 Scope

This document specifies the process flow and smelting furnace type, technical transformation requirements, safety and environmental protection transformation,

Debugging, operation and maintenance.

This document is applicable to the technical transformation and acceptance of the process and equipment of AC electric arc furnaces, and shall be used as a reference for new electric arc furnaces.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 2900.23 Electrical terminology Industrial electric heating devices

GB/T 4223 Scrap iron and steel

GB/T 10067.21 Basic technical requirements for electric heating devices Part 21.Large AC electric arc furnaces

GB/T 12325 Power quality supply voltage deviation

GB/T 12326 Power quality voltage fluctuation and flicker

GB/T 14549 Power quality - Harmonics in public power grids

GB/T 15543 Power quality three-phase voltage unbalance

GB/T 15945 Power quality - Power system frequency deviation

GB 18599 Pollution control standard for storage and landfill of general industrial solid waste

GB/T 24337 Power quality - Interharmonics in public power grids

GB 28664 Emission standard of air pollutants for steelmaking industry

GB 32050 Limits of energy consumption per unit product for electric arc furnace smelting

GB/T 41994 Industrial furnaces and related process equipment Safety requirements for arc furnace steelmaking machinery and equipment

GB 50439 Steelmaking Engineering Design Code

HJ435 Technical Specifications for Dust Removal Engineering in the Iron and Steel Industry

JB/T 9640 Arc Furnace Transformer

NB/T 41007 Technical Guidelines for Power Supply of AC Arc Furnaces Power Supply Design

YB/T 4170 Direct reduced iron for steelmaking

YB/T 4978 Technical specification for ventilation and dust removal of flue gas from steelmaking electric furnaces

YB/T 6042 Technical Specification for Application of Lubricating Oil (Fat) Additives for Metallurgy

YB/T 6068 Technical Specification for Oxygen Supply for Electric Arc Furnace Steelmaking

3 Terms and definitions

The terms and definitions defined in GB/T 10067.21 and GB/T 2900.23 apply to this document. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 45436

Edition	Title	Revision	Status
GB/T 45436-2025	Code for technical upgrading of EAF process and equipment	current edition	Current

This page sells the current edition, GB/T 45436-2025. Earlier editions are listed for reference only.

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