![](https://www.mcaa.org/wp-content/uploads/2022/04/NCPWB-Technical-Bulletin_News-April-2022.jpg)
The National Certified Pipe Welding Bureau (NCPWB) has released a new Technical Bulletin that explains how to determine the number of test coupons required to meet the minimum weld length for radiographic examination under ASME Section IX.
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