ISO 14404-2:2013 PDF

Calculation method of carbon dioxide emission intensity from iron and steel production — Part 2: Steel plant with electric arc furnace (EAF)

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Title (English):

ISO 14404-2:2013

Calculation method of carbon dioxide emission intensity from iron and steel production — Part 2: Steel plant with electric arc furnace (EAF)

Document status:: Withdrawn
Format:: Electronic (PDF)
Number of pages:: 19
Publication date:: March 18, 2013
Edition:: ISO IS 14404 edition 1 version 1
ICS:: 13.020.40

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Description (English):

ISO 14404-2:2013 specifies calculation methods which companies using EAF to manufacture steel can use to evaluate the total annual carbon dioxide (CO2) emissions and the emission factor of CO2 per unit of steel production of the entire steel production process. ISO 14404-2:2013 is applied to the plants that produce mainly carbon steel. It includes boundary definition, material and energy flow definition, and emission factor of CO2. Besides direct source import to the boundary, upstream and credit concept is applied to exhibit the plant CO2 intensity. ISO 14404-2:2013 supports the steel producer to establish CO2 emissions attributable to a site. ISO 14404-2:2013 cannot be used to calculate benchmarks or to compare CO2 intensities of production processes that are operated inside the site.

Technical details

Technical committee: ISO/TC 17 - Steel
SKU: ISO 14404-2:2013

Abstract

Overview

ISO 14404-2:2013 defines a standardized calculation method for carbon dioxide (CO2) emission intensity specifically for steel plants that use an electric arc furnace (EAF). The standard helps EAF-based steel producers evaluate total annual CO2 emissions and the emission factor (CO2 per unit of steel production) for a site. It covers boundary definition, material and energy flow mapping, and the application of emission factors, including upstream and credit concepts, so companies can establish site-attributable CO2 emissions consistently.

Key topics and requirements

Scope and applicability: Applies to plants producing mainly carbon steel with EAF processes; intended for site-level CO2 emissions intensity, not product footprints or intra-site process benchmarking.
Principles: Emphasizes relevance, completeness, consistency, accuracy and transparency for CO2 emissions accounting.
Boundary definition: Requires clear site boundaries and categorization of emissions (direct, upstream and credit). The document provides category frameworks (Categories 1–4) to define what is included.
Emission source types: Defines direct CO2 (on-site), upstream CO2 (imported materials, electricity, steam), and credit CO2 (exported materials/electricity). Aligns terms with ISO 14064-1 classifications.
Material & energy flows: Specifies how to record fuels, auxiliary materials (e.g., lime, electrodes), ferrous materials and energy carriers used in EAF steelmaking.
Calculation procedure: Clause 6 details the calculation method; Annex A converts consumption to energy metrics, Annex B offers templates for emission factor application, and Annex C provides worked examples.
Limitations: Not intended for establishing regulatory benchmarks or for comparing CO2 intensities of discrete processes inside the same site.

Applications and practical value

Calculate annual CO2 emissions and CO2 emission intensity (t CO2 / t crude steel) for an EAF steel plant.
Standardize site-level greenhouse gas (GHG) reporting for sustainability reports, investor disclosure, or internal emissions management.
Identify major emission sources and prioritize emissions reduction opportunities (fuel switching, energy efficiency, raw material sourcing).
Provide a consistent basis for corporate aggregation of site data (e.g., worldsteel data collection) and for internal benchmarking across sites using the same methodology.

Who should use it

Environmental managers, sustainability teams, EAF plant managers, environmental consultants, GHG auditors and corporate reporting officers at steel manufacturers using electric arc furnaces.

Related standards

ISO 14404-1 (steel plant with blast furnace)
ISO 14064-1 (GHG quantification and reporting)
worldsteel CO Emissions Data Collection User Guide

Keywords: ISO 14404-2, EAF, electric arc furnace, CO2 emission intensity, steel plant CO2, greenhouse gas accounting, emission factor, steel industry.

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview

Key topics and requirements

Scope and applicability: Applies to plants producing mainly carbon steel with EAF processes; intended for site-level CO2 emissions intensity, not product footprints or intra-site process benchmarking.
Principles: Emphasizes relevance, completeness, consistency, accuracy and transparency for CO2 emissions accounting.
Boundary definition: Requires clear site boundaries and categorization of emissions (direct, upstream and credit). The document provides category frameworks (Categories 1–4) to define what is included.
Emission source types: Defines direct CO2 (on-site), upstream CO2 (imported materials, electricity, steam), and credit CO2 (exported materials/electricity). Aligns terms with ISO 14064-1 classifications.
Material & energy flows: Specifies how to record fuels, auxiliary materials (e.g., lime, electrodes), ferrous materials and energy carriers used in EAF steelmaking.
Calculation procedure: Clause 6 details the calculation method; Annex A converts consumption to energy metrics, Annex B offers templates for emission factor application, and Annex C provides worked examples.
Limitations: Not intended for establishing regulatory benchmarks or for comparing CO2 intensities of discrete processes inside the same site.

Applications and practical value

Calculate annual CO2 emissions and CO2 emission intensity (t CO2 / t crude steel) for an EAF steel plant.
Standardize site-level greenhouse gas (GHG) reporting for sustainability reports, investor disclosure, or internal emissions management.
Identify major emission sources and prioritize emissions reduction opportunities (fuel switching, energy efficiency, raw material sourcing).
Provide a consistent basis for corporate aggregation of site data (e.g., worldsteel data collection) and for internal benchmarking across sites using the same methodology.

Who should use it

Environmental managers, sustainability teams, EAF plant managers, environmental consultants, GHG auditors and corporate reporting officers at steel manufacturers using electric arc furnaces.

Related standards

ISO 14404-1 (steel plant with blast furnace)
ISO 14064-1 (GHG quantification and reporting)
worldsteel CO Emissions Data Collection User Guide

Keywords: ISO 14404-2, EAF, electric arc furnace, CO2 emission intensity, steel plant CO2, greenhouse gas accounting, emission factor, steel industry.

ISO 14404-2:2013 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and practical value

Who should use it

Related standards

Related standards

Abstract

Overview

Key topics and requirements

Applications and practical value

Who should use it

Related standards

Related standards

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