UNI ISO 9764 : 1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRIC RESISTANCE AND INDUCTION WELDED STEEL TUBES FOR PRESSURE PURPOSES - ULTRASONIC TESTING OF THE WELD SEAM FOR THE DETECTION OF LONGITUDINAL IMPERFECTIONS
09-30-2022
01-01-1990
Specifica le condizioni per il controllo ad ultrasuoni del cordone di saldatura dei tubi di acciaio saldati per resistenza elettrica o per induzione, per la rilevazione di difetti principalmente longitudinali e radiali secondo due differenti livelli di severità.
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