The SSAB WeldCalc app is a simplified version of the advanced SSAB WeldCalc desktop pro version. Based on the welding method, the welding joint, steel grades and thicknesses, it gives you the result in seconds: - Recommended preheat and interpass temperatures. - Recommended minimum and maximum heat input. - Recommended welding machine settings (amps, volts and travel speed). - Risk analysis. You can save the results and share the report as PDF.