UNI ISO 9402 : 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 AND WELDED (EXCEPT SUBMERGED ARC-WELDED) STEEL TUBES FOR PRESSURE PURPOSES - FULL PERIPHERAL MAGNETIC TRANSDUCER/FLUX LEAKAGE TESTING OF FERROMAGNETIC STEEL TUBES FOR THE DETECTION OF LONGITUDINAL IMPERFECTIONS
01-10-2022
01-01-1990
Specifica un metodo di controllo a flusso disperso con sonde magnetiche, su tutta la superficie esterna, dei tubi di acciaio ferromagnetico senza saldatura e saldati (esclusi i tubi saldati ad arco sommerso) per impieghi a pressione, per la rilevazione di imperfezioni longitudinali, secondo tre differenti livelli di severità. Appendice A: Guida sui limiti del controllo a flusso disperso con sonde magnetiche.
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