The WRC-1992 diagram is the industry standard method for determining the content in austenitic and duplex stainless steel welds to prevent solidification cracking.
: Read the nearest "iso-ferrite" line to find the predicted FN. Key Benefits over Older Diagrams WRC diagram for standard analysis - MIGAL.CO wrc-1992 diagram calculator
Use online calculators (such as those provided by major filler metal manufacturers like ESAB or Lincoln Electric) for estimation, but rely on laboratory chemical analysis and magnetic measurement for final qualification of critical welds. The WRC-1992 diagram is the industry standard method