UNI ISO 9305 : 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SEAMLESS STEEL TUBES FOR PRESSURE PURPOSES - FULL PERIPHERAL ULTRASONIC TESTING FOR THE DETECTION OF TRANSVERSE IMPERFECTIONS
05-26-2011
01-01-1990
Specifica un metodo di controllo con ultrasuoni, ad onde trasversali, su tutta la superficie dei tubi senza saldatura per apparecchi a pressione, per la rilevazione di imperfezioni trasversali, secondo quattro differenti livelli di severità. Essa é applicabile al controllo di tubi di diametro esterno maggiore o uguale a 9 mm.
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