EN 288-4:1992/A1:1997

Foreword
Foreword to Amendment 1
0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Preliminary welding procedure specification (pWPS)
5 Welding procedure test
6 Test piece
6.1 General
6.2 Shape and dimensions of test pieces
6.3 Welding of test pieces
7 Examination and testing
7.1 Extent of testing
7.2 Location and cutting of test specimens
7.3 Non-destructive examination
7.4 Destructive tests
7.5 Re-testing
8 Range of approval
8.1 General
8.2 Related to the manufacturer
8.3 Related to the material
8.4 Common to all welding processes
8.5 Specific to processes
9 Welding Procedure Approval Record (WPAR)
Annexes
A (informative) - Welding Procedure Approval Record
     form (WPAR)
B (informative) - Types of aluminium according to the
     grouping system of table 4

Specifies how a welding procedure specification is approved by welding procedure tests. Defines the limits of validity of an approved welding procedure and the conditions for the execution of welding procedure approval tests for practical welding operations. Also includes annexes, tables and diagrams.