The (ISO 16276-1:2025) represents a major advancement. The updated standard reduces the substrate thickness requirement to not less than 3 mm , making it applicable to a much broader range of steel structures. This change alone has significantly expanded the standard‘s utility in modern fabrication where thinner steel sections are common. The 2025 edition officially replaced the 2007 version in June 2025, and the earlier edition is now considered withdrawn.
: The standard is intended for steel substrates with a thickness of at least 10 mm (reduced to 3 mm in the updated 2025 version ). pdf iso -16276-1
A pass/fail determination under ISO 16276-1 depends on contract specifications, but the standard enforces strict rules on how results are calculated and reported. Determining Compliance The (ISO 16276-1:2025) represents a major advancement