PREN Calculator PREN Calculator PREN Calculator PREN Calculator Cr% (Chromium content): Mo% (Molybdenum content): W% (Tungsten content): N% (Nitrogen content): Calculate PREN Click here to know what is PREN & Pitting Corrosion Related Posts:What is Pitting Corrosion?Handy Online Welding CalculatorsCan you weld 316 with 308Ni & Cr Equivalent and PREN CalculatorIncoloy Alloy 825 vs MONEL Alloy 400: A…welding of 2205 duplex stainless steel and 2205 to…