Title: +038=627.001-##001T_03-Fasadevasksystem NorAcon - International Code of Practice (ICOP).pdf
2.8.4 Metal items should not be marked by stamping, unless by agreement with the manufacturer. This is because stamping can cause the potential for cracking of certain metals under certain conditions and, therefore, great care should be taken if this method of marking is chosen. The marking of metal items by engraving should only be carried out in such a way that it does not affect the integrity of the equipment, e.g. by marking in a non-safety-critical area of a component. It should be noted that stamping and engraving may damage any applied corrosion-resistant surface, e.g. electroplating, and it is recommended that steps be taken to avoid this potential for damage, e.g. by coating the indentations made by the stamping or engraving with paint.