ASNT vs PCN / ISO 9712 — Side-by-Side NDT Certification Comparison

ASNT SNT-TC-1A is the dominant NDT certification scheme in the United States and Canada, while PCN (Personnel Certification in Non-destructive testing) operating to ISO 9712 dominates the United Kingdom, Europe, Middle East, and many Asian markets. This guide compares geography acceptance, exam structure, recertification cycles, cost ($200-$750 range), and employer recognition across both schemes.