AWS D10.12M/D10.12 : 2000

GUIDE FOR WELDING MILD STEEL PIPE

American Welding Society

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Personnel
Foreword
List of Tables
List of Figures
1. Scope
2. Reference Documents
    2.1 AWS Pipe Standard Welding Procedure
         Specifications
3. General
    3.1 Pipe Steels
    3.2 Cleanliness
    3.3 Preheating
    3.4 Joint Preparation
    3.5 Alignment and Tack Welding
    3.6 Welding Positions
    3.7 Weld Appearance
    3.8 Small Diameter Piping
    3.9 Welding Fittings
    3.10 Safety and Health
4. Shielded Metal Arc Welding (SMAW) Using E6010 Electrode
    and the Downhill Method
    4.1 Application
    4.2 Setting the Current
    4.3 Tack Welding
    4.4 Root Pass (First Pass)
    4.5 Manipulating the Electrode
    4.6 Cleaning Between Passes
    4.7 Second Pass (Hot Pass)
    4.8 Fill, Stripper, and Cap Passes
5. Shielded Metal Arc Welding (SMAW) Using E6010 or E6011
    Electrodes and the Uphill Method
    5.1 Application
    5.2 Joint Preparation
    5.3 Setting the Current
    5.4 Root Pass
    5.5 Cleaning Between Passes
    5.6 Fill and Cap Passes
6. Shielded Metal Arc Welding (SMAW) Using E7018
    Low Hydrogen Electrodes
    6.1 Application
    6.2 Striking the Arc
    6.3 Welding Technique
    6.4 Slag Removal
7. Oxyfuel Gas Welding (OFW) of Pipe
    7.1 Application
    7.2 Safe Practices
    7.3 Welding Techniques
    7.4 Appearance of Finished Weld
8. Gas Tungsten Arc Welding (GTAW) of Pipe
    8.1 Application
    8.2 Purging
    8.3 Electrode Shape
    8.4 Welding Technique
    8.5 Joint Preparation and Alignment
    8.6 Appearance of Finished Welds
9. Gas Metal Arc Welding (GMAW) and Gas Shielded Flux Cored
    Arc Welding (FCAW-G) of Steel Pipe
    9.1 Application of the GMAW Process
    9.2 Application of the Gas Shielded Flux Cored Arc
         Welding (FCAW-G) Process
    9.3 Initiating the Arc
    9.4 Travel Speed
    9.5 Gas Shielding
    9.6 Cleaning
10. Flux Cored Arc Welding-Self-Shielded (FCAW-S)
    10.1 Application
    10.2 Root Pass Techniques Using 1.7 mm (0.068 in.)
         E71T-13 Electrode
    10.3 Welding Techniques for Balance of Weld
11. Nick Break Test
12. Safety and Health
    12.1 Fumes and Gases
    12.2 Radiation
    12.3 Electrical Hazards
    12.4 Fire Prevention
    12.5 Burn Protection
    12.6 Further Information
Annex A - Pipe Standard Welding Procedure Specifications
Annex B - Glossary of Terms
Annex C - Required Filler Metal per Joint for Mild Steel Pipe
Annex D - Inspection and Testing
Annex E - Guidelines for Preparation of Technical Inquiries
          for AWS Technical Committees
AWS List of Documents on Piping and Tubing Welding