Seamless steel tubes for pressure purposes. Technical delivery conditions - Non-alloy steel tubes with specified room temperature properties1 Scope This European Standard specifies the technical delivery conditions for two qualities TR1 and TR2 of seamless tubes of circular cross section with specified room temperature properties made of non alloy quality steel. NOTE Once this standard is published in the Official Journal of the European Union (OJEU) under Directive 97 23 EC, presumption of conformity to the Essential Safety Requirements (ESR) of Directive 97 23 EC is limited to technical

it is important to bear in mind that the coating might have been penetrated by substances in contact with the coating during service

BS EN 12681-1 gives acceptance criteria through severity levels

This International Standard specifies the basic dimensional requirements for interchangeability of tyre valve core with the tyre valve stem and to permit assembly of the cap and ground inflation connection of the source of compressed air or nitrogen supply to the tyre

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The rules and procedures are intended to be used in conjunction with the appropriate IEC/ISO standards and Guides

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WARNING — The use of this Standard can involve hazardous materials

non permanent storage equipment such as road vehicles

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and fill either on land or on water

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