r-stamp certified welding

https://aged-wiki.win/index.php/Why_R-Stamp_Certified_Welding_Matters_for_Boiler_Repairs_and_Pressure_Vessel_Integrity

You know how most welds just get a visual once-over? An R-Stamp certification on a weld means it was tested to meet specific code requirements, often for pressure vessels or structural steel. It's that extra layer of assurance that a certified welder performed the work to a recognized standard, so inspectors and engineers can trust the joint without second-guessing it.