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Joint efficiency & Radiography - API 650
- Thread starter kvbalu
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The basic design requirements of API-650 are to use a joint efficiency of 1.0 and the RT requirements of Section 6. The extent of RT is based upon the plate thickness. At the low end of the scale (thickness of 3/8 and less) only a limited number of RT shots are required. At the high end (thickness greater than 1 inch) full RT is required.
There are two additional options available when specified by purchaser. Appendix A uses less RT than the basic Standard with E = 0.85. When no RT is performed E = 0.70.
The term "joint efficiency" is probably not the best term to use. Perhaps "quality factor" would be better, but that's another topic.
Steve Braune
Tank Industry Consultants
There are two additional options available when specified by purchaser. Appendix A uses less RT than the basic Standard with E = 0.85. When no RT is performed E = 0.70.
The term "joint efficiency" is probably not the best term to use. Perhaps "quality factor" would be better, but that's another topic.
Steve Braune
Tank Industry Consultants
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