Last Updated: 20/11/20 at 1:58pm
Author: Jamie Hunt
A grade's resistance to pitting corrosion can be estimated and calculated by a PRE value or PREN (Pitting Resistance Equivalent Number). This number is an approximate guide for the corrosion resistance of each Stainless grade.
Our range of articles listed below gives you a good understanding of how to maintain your stainless steel and also calculate the resistance of your stainless steel.
Calculate your own PRE value by selecting your stainless grade and entering the element percentages. Your PRE value will appear below:
Jamie Hunt is the CEO of Anzor Fasteners LLP, with 23 years for procurement and supply of Stainless Steel Fasteners and Hardware under his belt. He also has Olympic yachting experience and is a Certified ISSF Stainless Specialist.
Jamie is a member of the Australian Stainless Steel Development Association and has written many articles including "The Stainless Steel Guide", "Can you paint stainless steel?" and "Are stainless fasteners OK with treated timber?". Check out Jamie on his LinkedIn profile for more information.