NCCER Welding Level 4
Issued by
NCCER
This individual has demonstrated the ability to: • Describe metallurgical considerations and problems of aluminum welding • Explain how to weld aluminum plate using GMAW equipment • Use GMAW to make stringer beads, weave beads, weld terminations and restarts, and overlapping beads on aluminum plate • Make GMAW fillet welds on aluminum plate in the 1F, 2F, 3F, and 4F positions • Make GMAW V-groove welds on aluminum plate in the 1G, 2G, 3G, and 4G positions …see more skills below.
Additional DetailsSkills
Earning Criteria
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…skills continued… • Explain how to weld aluminum pipe using GMAW • Make GMAW V-groove welds on aluminum pipe in the 2G, 5G, and 6G positions • Use GTAW stringer and weave beads to weld a pad on aluminum plate • Make GTAW fillet welds on aluminum plate in the 1F, 2F, 3F, and 4F positions • Make GTAW V-groove welds on aluminum plate in the 1G, 2G, 3G, and 4G positions • Make GTAW modified U-groove welds on aluminum pipe in the 2G, 5G, and 6G positions • Solder and braze copper tubing