Plasma Cutter Cut Speed as a Function of Metal Thickness

• At what Amperage of plasma cutter? Appears to be 50 amp? 25 IPM for 1/2" steel.
• 9 IPM for waterjet?
• Up to 185 IPM with Hypertherm 400 Amp?

Cutting Holes - Techniques to improve small hole cut quality on carbon steel with a CNC Plasma system

- Nice PDF on state of art for high quality holes