1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 10253-1:1999 The Eu
2、ropean Standard EN 10253-1:1999 has the status of a British Standard ICS 23.040.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Butt-welding pipe fittings Part 1: Wrought carbon steel for general use and without specific inspection requirementsThis British Standard, having
3、been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 December 1999 BSI 12-1999 ISBN 0 580 32846 5 BS EN 10253-1:1999 Amendments issued since publication Amd. No. Date Comments National foreword
4、 This British Standard is the English language version of EN 10253-1:1999. Together with BS EN 10253-2 it will supersede BS 1965-1:1963, which will be withdrawn upon publication of BS EN 10253-2. The UK participation in its preparation was entrusted to Technical Committee ISE/19, Ferrous pipe fittin
5、gs (excluding cast iron), which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and
6、 promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under
7、the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct appl
8、ication. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 33 and a back cover. The BSI copyright notice displayed in this document indicates when
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