EN 10263-5 requires the material to be delivered in a soft annealed or heat-treated condition suitable for cold heading. Intermediate annealing may be required for complex parts.
The is an essential document for anyone manufacturing or purchasing stainless steel rod, bars, or wire for cold heading and cold extrusion. It provides the metallurgical, mechanical, and surface quality requirements necessary to produce reliable fasteners and cold-formed components. en 10263-5 pdf
If you only need to understand the requirements without certifying compliance, some universities and public libraries provide free access to standards via internal networks. However, for manufacturing and legal compliance, you must purchase the official version. EN 10263-5 requires the material to be delivered