This Technical Specification provides a summary of material designations, compositions and the product forms in which they are available, for coppers and copper alloys standardised in European Standards by CEN/TC 133 "Copper and copper alloys". It also includes copper alloys which are not standardised by CEN/TC 133 but by other CEN Technical Committees responsible for products in copper alloys, and other copper alloys not yet standardised. These alloys have been registered by CEN/TC 133 in accordance with the procedures laid down in CR 12776.