BS 7668 2016 Weldable structural steels. Hot finished structural hollow sections in weather resistant steels. Specification.pdf

BS7668:2016 BSI Standards Publication Weldable structural steels Hot finished structural hollow sections in weather resistant steels Specification bsi. BS7668:2016 BRITISH STANDARD Publishing and copyright information The BSI copyright notice displayed in this document indicates when the document was last issued. @The British Standards Institution 2016 Published by BSI Standards Limited 2016 ISBN9780580935213 ICS77.140.75 The following BSI references relate to the work on this document: Committee reference ISE/103 Draft for ment 16/30338305 Publication history First published June 1994 Second edition April 2004 Third (present edition) September 2016 Amendments issued since publication Date Text affected BRITISH STANDARD BS7668:2016 Contents Foreword ii 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Information and requirements to be agreed and documented 3 5 Classification and designation 4 6 Technical requirements 5 7 Inspection and testing 7 8 Samples 8 9 Test methods 10 10 Marking 12 Annexes Annex A(normative)Chemical position and mechanical properties 13 Annex B(normative)Location of samples and test pieces 15 Bibliography 17 List of figures Figure B.1-Tensile test piece locations Items tested in full section 15 Figure B.2-Location of tensile and impact test pieces-Circular or elliptical section 15 Figure B.3-Location of tensile and impact test pieces-Square and rectangular sections 16 List of tables Table 1-Permissible limits on the product analysis from the ladle analysis specified in Table A.14 Table 2-Example of product with designated impact properties at 0C 4 Table 3-Inspection and test programme 8 Table 4-Test units 9 Table A.1-Chemical position (ladle analysis)14 Table A.2-Maximum carbon equivalent value (CEV)15 Table A.3-Mechanical properties 15 Summary of pages This document prises a front cover an inside front cover pages i to iv pages 1 to 18 an inside back cover and a back cover. ©The British Standards Institution2016i ...