Normas ISO

Non-destructive testing of welds -- Ultrasonic testing -- Use of automated phased array technology

Non-destructive testing of welds -- Ultrasonic testing -- Use of time-of-flight diffraction technique (TOFD)

Three statistical approaches for the assessment and interpretation of measurement uncertainty

Brazing -- Qualification test of brazers and brazing operators

Hexagon washer head tapping screws

Cross-recessed raised countersunk (oval) head tapping screws