The Euronorms clearly distinguish the pipe's area of application. The standards used in the past such as the DIN 17121, DIN 1629, DIN 2448 and the DIN 17175 have since been mostly replaced by Euronorms. In the cource of the revision of the European standards serveral DIN standards were withdrawn and replaced by DIN ISO EN and DIN EN. Over the years, many DIN standards were integrated into the ISO standards, and thus also a part of the EN standards. According to the CEN rules, members in the UK, that is BSI, are obliged to announce the availability of European Standards and publish the identical text and to withdraw any conflicting national standards. Public Procurement Directives, Construction Products Directive. European Standards are essentially voluntary instruments except for certain situations, e.g. in Germany, ‘DIN EN’, in France ‘NF EN’, in Sweden ‘SIS EN’ etc. Other national standards bodies of Member States of the European Union publish identical European Standards with their appropriate prefixes, e.g. ECISS is an Associated Standards Body within the framework of the European Committee of Standardization.Įuropean Standards published in the UK have the status of a British Standard and are characterized by the prefix ‘BS EN’ to their reference number. European Standards for steel products are the responsibility of the European Committee for Iron and Steel Standardization.ĮCISS has the task of developing European Standards for the definition, classification, testing, analysis and technical delivery requirements for the products of the iron and steel industry and the implementation of these as national standards by members in order to achieve technical harmonization within the European Union. Such a system is well established and implemented in almost all the European Standards. With so many European Standards specifying steel and steel products and replacing national standards, it is necessary to have a European designation system for steel.
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