Impact testing exemption as per ASME Section VIII div 1 /API 510 Exam.

There are specific rules in ASME Code for exemption from ASME Impact Test Requirement. This test is very expensive, so pressure vessel manufacturers are trying to be exempted for this costly test.
You need to follow the following clauses to make exemption assessment for ASME impact test requirement:
UG-20(f) →→→UCS-66(a) →→→ UCS-66(b) →→→UCS-68(c)
First you have to keep your pressure vessel design data available and then refer to UG-20 (f). If you are exempted from this clause, you do not need proceed further.
But if you are not exempted by UG-20 (f), you have to proceed to UCS-66(a), but again if you are exempted, there is no need for more assessment.
But if not, you have to proceed to UCS-66(b). If you are exempted now, there is no need for more assessment; otherwise, you have to proceed to UCS-68(c), and again if you are still not exempted, you have to carry out impact testing.
For some cases, You might be exempted from the ASME impact test requirement in the first stage in UG-20 (f). In others, You might be exempted in UCS-66(a) or UCS-66(b) or UCS-68(c). If you are not exempted, you must prepare yourself for doing this costly test.
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[@kuldipgor23]

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[@unaismuhammed5028]

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[@Coolaadi100]

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[@puneetaggarwal2941]

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[@kishorekumar6516]

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[@ravidivecha1921]

Pls make a video on ucs-67, impact test requirement for WPS

[@amitmishra2582]

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[@baskarangovindarajulu4107]

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[@Coolaadi100]

Want to ask about inpact test for SS materials specially SA240M TYPE 304, 304L, 316,316L?

[@imthiyazh6778]

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