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This document provides guidance on gas metal arc welding (GMAW) of aluminum alloys. It outlines that aluminum has a higher thermal conductivity and lower melting point than steel, requiring different welding procedures. It recommends cleaning the base material thoroughly to remove aluminum oxide, preheating to below 230°F to prevent cracking, using a push technique for the gun, welding at a fast travel speed, and shaping the weld crater convexly. It also provides tips for selecting compatible filler wire an

Author

Manish Sharma

Language

EN