You’ll find Custom Arc™ only on these quality Lincoln engine driven pipe welders:

Pipeliner™ 200 D (Diesel)

Classic 300 D (Diesel)

Selecting an engine drive
The Basics Explained

Pipeliner 200
An Old Tradition Made New

Welding High Yield Pipe

…adjust the engine RPM and OCV quickly and easily to get the arc you want.
…set the arc in the machine’s “sweet spot.”
…dial in a softer or more digging arc.
…avoid root pass internal undercut, especially on X60 and X70 pipe.
…stack iron faster with low heat and a clear puddle on fill passes.
…avoid arc breaks. Avoid slag that crowds the arc.
…control fusion on the cap pass with good puddle size and clarity.