Weld Aluminum

Which of the four methods is BEST for cleaning aluminum?

• copper wire brush

• soap and water then rinse

• Carbon steel wire bush

• stainless steel wire brush

When welding aluminum with GTAW process, what type of current is used?

• DCEP

• DC

• CV

• AC

What is the BEST current to weld aluminum with GTAW?

• AC-HF

• AC-LF

• DCEP

• DCEN

Which electrode is recommended for welding aluminum with GTAW?

• ER705

• EWP

• ER309-L

• EWth-2

When using the AWS classification what material is welded with ER308?

• copper

• mild steel

• Stainless Steel

• aluminum

In GTAW, What electrode should you use when welding stainless steel and mild steel together?

• ER308

• E7018

• ER309

• E6010