ISO 20915:2026

International Standard   Current Edition · Approved on 18 September 2026

Life cycle inventory calculation methodology for steel products

ISO 20915:2026 Files

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Current Edition

ISO 20915:2026 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:

  1. specification of the declared unit used for LCI calculation of steel products;
  2. definition of the system boundaries used for LCI calculation of steel products;
  3. evaluation of scrap in LCI calculation of steel products;
  4. evaluation of co-products in LCI calculation of steel products;
  5. 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.

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