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522 views Technical Discussions David Hermanutz Consultant, Hbndt.com, China, Joined Jul 2012, 85 David Hermanutz Consultant, Hbndt.com, China, Joined Jul 2012 85 05:58 Dec-30-1998 tofd applications for hot hydrogen attack on carbon steel I have heard of a TOFD application for measurement of hydrogen damage prior to the micro-cracking stages, I have a 3" carbon steel vessel that needs assessment work done, there are no available samples that have not been exposed for velocity ratio. Vessel is 18 years in service.    Reply  Translate  Close   Mohammed Abu Four Mohammed Abu Four 04:01 Dec-07-1999 Re: tofd applications for hot hydrogen attack on carbon steel : I have heard of a TOFD application for measurement of hydrogen damage prior to the micro-cracking stages, I have a 3" carbon steel vessel that needs assessment work done, there are no available samples that have not been exposed for velocity ratio. Vessel is 18 years in service.    Reply  Translate  Close   M. Abu Four M. Abu Four 04:03 Dec-07-1999 Re: tofd applications for hot hydrogen attack on carbon steel : : I have heard of a TOFD application for measurement of hydrogen damage prior to the micro-cracking stages, I have a 3" carbon steel vessel that needs assessment work done, there are no available samples that have not been exposed for velocity ratio. Vessel is 18 years in service.    Reply  Translate  Close

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