AWS C5.7 : 2000
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
15-01-2017
01-01-2006
Personnel (Reaffirmation)
Personnel (Original)
Foreword
List of Tables
List of Figures
1. General
1.1 Scope
1.2 Introduction
2. Referenced Standards
3. Definitions
4. Fundamentals
4.1 Process Description
4.2 Principles of Operation
4.3 Electrode Variations
4.4 Consumable Guide Variations
5. Equipment
5.1 Welding Power Source
5.2 Wire (Electrode) Feeder
5.3 Electrode Guide Oscillators
5.4 Electrode Guide
5.5 Backing Shoes (Dams)
5.6 Controls
6. Electrodes and Shielding Gas
6.1 Electrodes
6.2 Shielding
6.3 AWS Specification for Electrogas Filler Metal
7. Applications
7.1 Base Metals
7.2 Joint Design
7.3 Assembly and Alignment
7.4 Typical Applications
8. Metallurgical Advantages and Limitations
8.1 Electrogas Welding Thermal Cycle
8.2 Weld Macrostructure
8.3 Preheat
8.4 Postweld Heat Treatment
8.5 Residual Stresses and Distortion
8.6 Mechanical Properties
9. Selection of Process Variables and Other Welding
Conditions
9.1 Welding Voltage
9.2 Welding Current-Wire Feed Speed
9.3 Form Factor
9.4 Electrode Extension
9.5 Electrode Oscillation
9.6 Joint Opening
9.7 Work Lead
9.8 EGW Procedures
10. Inspection of Welds and Rework
10.1 Methods of Inspection
10.2 Acceptance
10.3 Quality Control
10.4 Rework
11. Training
11.1 Process Variables
11.2 Equipment Familiarization
12. Qualifications
12.1 Process and Equipment
12.2 Welding Procedure
12.3 Welding Operator
13. Troubleshooting Guide
13.1 Weld Start Porosity
13.2 Weld Porosity
13.3 Weld Termination Porosity
13.4 Centerline Weld Cracking
13.5 Incomplete Fusion at Weld Toes
13.6 Incomplete Fusion to One Groove Face
13.7 Overlap and Poor Fusion
13.8 Underfill
13.9 Starting Tab Melt-Through
13.10 Copper Pickup
13.11 Metal Spillage
13.12 Electrode Wander
13.13 Arcing to Groove Faces
13.14 Hourglass Nugget Shape
14. Safety Recommendations
14.1 Radiant Energy
14.2 Burn Protection
14.3 Electrical Hazards
14.4 Fumes and Gases
14.5 Noise and Hearing Protection
14.6 Safety and Health Information Sources
Annex A (Informative) - Safety and Health References
Annex B (Informative) - Supplementary Reading List
Annex C (Informative) - Guidelines for the Preparation of
Technical Inquiries
List of AWS Documents on Arc Welding and Cutting
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