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ISO 20915:2026

Life cycle inventory calculation methodology for steel products

Sep 18, 2026

General information

60.60     Sep 18, 2026

ISO

ISO/TC 17/SC 21

International Standard

77.080.20  

English  

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Scope

This document specifies guidelines and requirements for conducting life cycle inventory (LCI) studies of steel products reflecting steel’s capacity for closed-loop recycling, including:

specification of the declared unit used for LCI calculation of steel products;
definition of the system boundaries used for LCI calculation of steel products;
evaluation of scrap in LCI calculation of steel products;
evaluation of co-products in LCI calculation of steel products;
reporting of LCI calculation results of steel products.

The application of LCI results, including life cycle impact assessment (LCIA), is outside the scope of this document.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 20915:2018

NOW

PUBLISHED
ISO 20915:2026
60.60 Standard published
Sep 18, 2026