2023-03-08 00:00:00 Maximize water jet cutting efficiency and productivity with the free KMT Waterjet Cut Calculator mobile app. This feature-rich waterjet app compares abrasive cutting of materials (aluminum, brass, copper, granite, steel, titanium, and more), between 60,000 psi and 90,000psi (at 60hp and 125hp). Cutting at 90,000psi maximizes productivity, profitability and decreases the overall abrasive usage.