Last Updated: January 2026 Understanding the most common aluminum filler rod options is essential when welding aluminum alloys with TIG or MIG processes. Based on manufacturer specifications and AWS classifications, aluminum filler rods are selected primarily by base metal alloy compatibility, corrosion resistance, and crack sensitivity. Using the wrong filler can lead to weak joints,…
Last Updated: January 2026 Choosing what filler rod for 6061 aluminum depends on alloy compatibility, crack sensitivity, and service requirements. Based on manufacturer specifications and AWS aluminum welding guidance, 6061 is a heat-treatable alloy that requires careful filler selection to balance strength, corrosion resistance, and weldability. Using an incompatible filler can increase hot cracking risk…
Last Updated: February 2026 Choosing what filler rod for cast aluminum depends on casting type, crack sensitivity, and service requirements. Based on manufacturer specifications and AWS aluminum welding guidance, cast aluminum behaves differently from wrought alloys due to higher silicon content, porosity, and contamination from oils or impurities. Selecting an incompatible filler rod increases the…