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ISO 15626-2011 焊縫無損試驗. 衍射時差法超聲檢測技術(shù)(TOFD). 驗收標(biāo)準(zhǔn)

ISO 15626:2011 specifies acceptance levels for the time-of-flight diffraction technique (TOFD) of full penetration welds in ferritic steels from 6 mm up to 300 mm thickness which correspond to the quality levels of ISO 5817.These acceptance levels are applicable to indications classified in accordance with ISO 10863.