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English Translations » 【静设备】 » Can 100% ultrasonic testing be performed on the Class D weld

Can 100% ultrasonic testing be performed on the Class D welded joints between stainless steel fittings with DN≥150 and the cylinder?

2017-07-27View Original

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Can the stainless steel fittings with DN≥150 and Class D welded joints to the cylinder be subjected to 100% ultrasonic testing in accordance with NB/T47013.3-2015, achieving Grade I results, and thus meet the requirements of Technical Grade B?
Reply #22017-07-27
100% PT testing shall be carried out in accordance with NB/T47013.5-2015; grade I is considered acceptable

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Translated at 2026-07-21 03:05:57

Original: https://bbs.hcbbs.com/thread-1808704-1-1.html

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