Unofficial PDFs are often old versions. ISO standards are periodically reviewed and amended. The current version (as of 2025) includes updated heat-input limits and new classifications for thermomechanically treated bars. An old PDF could lead to rejected weld procedures.
Unofficial PDFs are often old versions. ISO standards are periodically reviewed and amended. The current version (as of 2025) includes updated heat-input limits and new classifications for thermomechanically treated bars. An old PDF could lead to rejected weld procedures.
