Smith Equipment SC60-3 Cutting Tip, 2-Piece, Series: SC60, Size: #3, Flow Rate: Oxygen: 180 scfh (Cutting), 38 scfh (Preheat), Fuel: 9 scfh Propylene (Preheat), Pressure: Propylene: 10 psig (Preheat), Oxygen: 47 psig Regulator/45 psig Torch (Cutting), 10 psig (Preheat), Flame Type: Medium Preheat, Gas Service: Propylene, Cutting Thickness: 2 Inch, Cutting Width: 0.10 Inch, Cutting Speed: 12 in./min.