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ISO/DIS 20915

Life cycle inventory calculation methodology for steel products

General information

40.99     Mar 4, 2026

ISO

ISO/TC 17/SC 21

International Standard

77.080.20  

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:
a) specification of the functional unit used for LCI calculation of steel products;
b) definition of the system boundaries used for LCI calculation of steel products;
c) evaluation of scrap in LCI calculation of steel products;
d) evaluation of co-products in LCI calculation of steel products;
e) 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

PUBLISHED
ISO 20915:2018

NOW

PROJECT
ISO/DIS 20915
40.99 Full report circulated: DIS approved for registration as FDIS
Mar 4, 2026