Undercut in Welding: What It Is and How to Prevent It

How does undercut weaken welds, and what simple tweaks can stop it before it ruins your joint?

How does undercut weaken welds, and what simple tweaks can stop it before it ruins your joint?

Learn what weld porosity is, why it forms, and the hidden mistakes that could be weakening your welds.

Now discover what a welder’s duty cycle really means and why ignoring it could quietly ruin your welds.

Discover how wire feed speed quietly shapes MIG weld quality—and why getting it wrong can ruin everything.

Understanding shielding gas reveals why clean welds succeed—and which gases protect your work best.

A] quick look at weld distortion reveals why metal warps, but the real causes—and how to prevent them—may surprise you.

Begin with a tack weld to hold parts in place, but discover why its placement and size can make or break your final weld.

Plug welds join overlapping metal sheets cleanly and strongly, but getting them right takes more than just drilling a hole.

Uncover when lap welds make auto body repairs easier, stronger, and smarter—plus the hidden pitfalls that could ruin your panel.

What is a butt weld in auto body repair, and why can this simple joint make or break a flawless, rust-resistant panel repair?