Vazduhoplovstvo — Metoda ispitivanja za metalne materijale — Ultrazvučna provera šipki, ploča, komada za kovanje i otkivaka — Deo 4: Kriterijumi prihvatljivosti
Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4: Acceptance criteria