Pins must be made of conductive, ductile alloys (usually copper alloys) to allow elastic and plastic deformation without snapping.
The standard (officially titled "Solderless connections – Part 5: Press-in connections – General requirements, test methods and practical guidance" ) is a copyrighted document and is not typically available for free in its entirety due to licensing regulations. iec 603525 pdf
The standard is the definitive international reference for these connections. This article provides a comprehensive overview of the standard, its requirements, and how to access the official IEC 60352-5 PDF for engineering and compliance purposes. What is IEC 60352-5? Pins must be made of conductive, ductile alloys
Guidelines on how many pins must be tested to validate a production lot. This article provides a comprehensive overview of the
: These pins are very stiff and do not change shape. They force the circuit board hole to stretch slightly.