Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Symbols and abbreviated terms<br>5 Preliminary welding procedure specification (pWPS)<br>6 Qualification of welding procedure<br>7 Welding of test pieces<br>8 Examination and testing<br>9 Range of qualification<br>10 Welding procedure qualification record form (WPQR)<br>Annex A (informative) - Welding procedure qualification<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;record form for tube to tube-plate joints (WPQR)<br>Bibliography<br>Annex ZA (informative) - Relationship between this<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Standard and the Essential<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Requirements of EU Directive 97/23/EC - Pressure<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equipment

Abstract

Describes requirements for the qualification testing of welding procedures for the arc welding of tube to tube-plate joints in metallic materials by manual, partly mechanized, mechanized or automatic processes.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	WEE/36
Supersedes	14/30266380 DC : 0 97/708856 DC : DRAFT JUN 1997 BS 4870-3(1985) : 1985