TIG Filler Rod Selection Guide

This summary highlights the main points included in the complete guide.

For the full version with detailed instructions, download the guide.

This downloadable guide provides a complete overview of how to choose the correct TIG filler rod for different metals, thicknesses, and welding applications. It explains the differences between common filler rods such as ER70S-2, ER70S-6, ER308L, ER309L, ER4043, and ER5356, and outlines how base metal composition, joint design, and welding position influence filler selection. The guide also covers essential factors such as strength requirements, crack resistance, cleaning needs, and compatibility with steel, stainless steel, and aluminum.

You will learn how to match filler rod diameter to material thickness, how to select filler for dissimilar metals, and how shielding gas choice affects filler performance. The guide also explains how to read filler metal classifications and decode AWS filler rod designations so you can confidently choose the right rod for any job.

The guide also covers important considerations such as minimizing distortion, improving puddle control, and achieving cleaner welds through proper filler feeding techniques. It outlines how filler rod alloying elements influence arc stability, penetration, and weld bead finish.

Additionally, it provides a detailed selection chart that lists the recommended filler rods for different grades of steel, stainless steel types, and aluminum alloys. It also includes troubleshooting tips for common TIG filler problems such as contamination, porosity, cracking, and poor bead flow, along with practical steps to correct each issue.

This overview helps beginners and intermediate welders understand how to choose the correct TIG filler rod for strong, clean, and reliable welds before reviewing the complete downloadable guide.