Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Preliminary welding procedure specification (pWPS)
5 Welding procedure test
6 Test piece
7 Examination and testing
8 Range of approval
9 Welding procedure approval record (WPAR)
Annex A (informative) - Welding procedure approval - Record
form (WPAR) welding procedure approval - Test
certificate
Annex B (normative) - Details of weld test
Annex C (informative) - Changes to ISO 11970:2001