Personnel
Foreword
List of Tables
List of Figures
1. Scope
2. Normative References
3. History of Aluminum Pipe Welding
4. Aluminum Pipe Alloys and Their Characteristics
5. Welding Characteristics of Aluminum
5.1 Aluminum Oxide
5.2 No Color Change
5.3 High Thermal Conductivity
5.4 High Coefficient of Thermal Expansion
5.5 Weldability of Aluminum Alloys
6. Welding Processes and Equipment
6.1 Alternating Current Gas Tungsten
Arc Welding (GTAW)
6.2 Direct Current Electrode Negative (DCEN)
6.3 Gas Metal Arc Welding (GMAW)
6.4 Automatic Welding
7. Welding Materials
7.1 Tungsten Electrodes
7.2 Filler Metals
7.3 Inert Gas
8. Welding Preparation
9. Welding Conditions
9.1 Machine Settings and Other Variables
9.2 Edge Preparation
10. Weld Backing
10.1 Permanent Backings
10.2 Removable Backings
11. Welding Technique
11.1 Gas Tungsten Arc Welding (Manual Welding)
11.2 Gas Metal Arc Welding
11.3 Weld Termination
12. Heat Treatment
12.1 Preheating
12.2 Postweld Heat Treatment
13. Code Requirements-Welding Qualifications
and Design
Annex A (Normative) - Pipe Diameters, Wall Thicknesses,
and Weights of Aluminum Pipe
Annex B (Informative) - Guidelines for the Preparation of
Technical Inquiries
Annex C (Informative) - Bibliography
List of AWS Documents on Piping and Tubing