What am I doing wrong? I cleaned the metal very well before welding, and tried different argon settings. I'm puzzled about what goes on after the bead is laid down that can create pinholes that often ...

Broken, rusty parts are common fare for classic trucks. Rust penetrates the pores of older metal, and even with glass-beading and acid dips, rust remains chemically embedded in badly oxidized metal.

Many different welding processes are used throughout the welding and manufacturing industry. The following good practices ...