UNI EN 1011-1 : 2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
   4.1 General
   4.2 Fundamental information for fabrication
   4.3 Non-conformance and corrective actions
5 Requirements on welding production
   5.1 Equipment and devices
   5.2 Workplace
   5.3 Personnel
   5.4 Welding processes
   5.5 Sub-contracting
6 Parent metals and welding consumables
   6.1 Storage and handling
   6.2 Material certificates
7 Planning
   7.1 Information on drawings
   7.2 Assembly for welding
   7.3 Run-on and run-off plates
   7.4 Temporary attachments
   7.5 Fabrication and inspection feasibility
   7.6 Welding procedure specification
   7.7 Weld sequence
8 Welding fabrication
   8.1 Welding instructions
   8.2 Joint preparation and surface cleaning
   8.3 Preheating
   8.4 Arc strikes
   8.5 Tack welds
   8.6 Weld run sequence
   8.7 Heat input
   8.8 Protection against oxidation
   8.9 Weld imperfections
   8.10 Traceability
9 Elimination of distortion or inherent stresses
10 Post-weld heat treatment
11 Surface cleaning and treatment
12 Inspection and documentation
Bibliography

This European Standard contains general guidance for the arc welding of metallic materials in all forms of product (e.g. cast, wrought, extruded, forged).