AWS C5.1 : 1973

Foreword
Personnel
1. Scope
2. Definitions of Terms
3. Fundamentals
    3.1 Process Description
    3.2 Principles of Operation
4. Equipment and Apparatus Requirements
    4.1 Manual Welding
    4.2 Mechanized Welding
    4.3 Powder Surfacing
    4.4 Hot Wire Surfacing
5. Application of the Plasma-Arc Welding Process
    to Metal Joining
    5.1 General Areas of Application
    5.2 Base Metals
    5.3 Filler Metal Addition
    5.4 Gases
    5.5 Auxiliary Weld Shielding
    5.6 Joint Design
    5.7 Tooling Practices
    5.8 Manual Welding
    5.9 Mechanized Welding
    5.10 Multipass Welding
    5.11 Reverse Polarity Welding
    5.12 Recommended Practices
    5.13 Advantages and Limitations
6. Application of the Plasma-Arc Welding Process
    to Surfacing
    6.1 General Considerations
    6.2 Powder Surfacing
    6.3 Hot-Wire Surfacing
7. Process Control
    7.1 General
    7.2 Joint Preparation and Tolerances
    7.3 Considerations for Welding Thin Metal Sections
    7.4 Controlling the Operation
    7.5 Maintenance
    7.6 Inspection and Testing Methods
    7.7 Design Data and Test Results
    7.8 Applicable Specifications
8. Training and Qualification of Welders and Welding
    Operators
9. Safety Recommendations
10. Practical Applications
    10.1 General
    10.2 Manual and Low-Current Plasma-Arc Welding
         Applications
    10.3 Mechanized High-Current Plasma-Arc Welding
         Applications
    10.4 Surfacing with the Plasma-Arc Welding Process
Appendix: Occupational Noise Exposure
Bibliography

Provides a description of the plasma-arc welding process and practical procedures as applied to joining parts and surfacing. These discussions apply to a wide variety of metals and represent methods used in industry.