A method for producing articles, these articles being preferably intended to be employed in the health and/or food field, these articles being provided with intrinsic antibacterial properties, the method characterised in that it comprises the steps of: - casting a plate or a cylindrical ingot made of a copper-based alloy containing manganese as the main alloying element, in an amount such as to make the alloy white in colour and to impart a crystalline structure in alpha phase at ambient temperature thereto, wherein said alloy contains manganese in a varying weight percentage between 15% and 40%, optionally up to 2% tin, and does not contain aluminum, and neither zinc, except as impurities, balance copper; - subjecting the plate or ingot to a series of hot plastic deformation machining treatments in sequence, preferable rolling or drawing or extrusion, to obtain a first, predetermined percentage of sectional reduction; - subjecting the hot semifinished article to a series of cold plastic deformation machining treatments in sequence, preferably rolling or drawing, to obtain a second, predetermined percentage of sectional reduction; - subjecting the cold semifinished article thus obtained to one or more heat annealing treatments of complete re-crystallization, in a reducing atmosphere; - subjecting the hot and/or cold semifinished article to at least one step of removing a surface layer thereof with a low manganese content; - subjecting the cold, annealed, semifinished article to a step of abrasive brushing, wherein said step of abrasive brushing is performed so as to remove the surface layer of the cold, annealed, semifinished article having a thickness equal to 4 microns; and - obtaining a desired article with the cold, annealed, semifinished article. - casting a plate or a cylindrical ingot made of a copper-based alloy containing manganese as the main alloying element, in an amount such as to make the alloy white in colour and to impart a crystalline structure in alpha phase at ambient temperature thereto, wherein said alloy contains manganese in a varying weight percentage between 15% and 40%, optionally up to 2% tin, and does not contain aluminum, and neither zinc, except as impurities, balance copper; - subjecting the plate or ingot to a series of hot plastic deformation machining treatments in sequence, preferable rolling or drawing or extrusion, to obtain a first, predetermined percentage of sectional reduction; - subjecting the hot semifinished article to a series of cold plastic deformation machining treatments in sequence, preferably rolling or drawing, to obtain a second, predetermined percentage of sectional reduction; - subjecting the cold semifinished article thus obtained to one or more heat annealing treatments of complete re-crystallization, in a reducing atmosphere; - subjecting the hot and/or cold semifinished article to at least one step of removing a surface layer thereof with a low manganese content; - subjecting the cold, annealed, semifinished article to a step of abrasive brushing, wherein said step of abrasive brushing is performed so as to remove the surface layer of the cold, annealed, semifinished article having a thickness equal to 4 microns; and - obtaining a desired article with the cold, annealed, semifinished article.