ISO/CD 14404

Calculation method of GHG emission intensity from iron and steel production

General information

Current stage: 30.20 Effective date: Jun 5, 2026

Originator: ISO

Owner: ISO/TC 17/SC 21

Type: International Standard

Scope

This document provides guideline for caluculating the GHG intensity at steel plants by defining the boundary regardless of its process routes. This document may be applied to steel plants producing non-alloy steel, low-alloy steel and high alloy steel which includes stainless steel.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 14404-4:2020

PUBLISHED
ISO 14404-3:2024

PUBLISHED
ISO 14404-1:2024

PUBLISHED
ISO 14404-2:2024

NOW

IN_DEVELOPMENT
ISO/CD 14404
30.20 CD study/ballot initiated
Jun 5, 2026

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