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Impact Test Exemption

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Waqas Haider

Mechanical
Joined
Oct 27, 2017
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4
Location
PK
A carbon steel vessel as per ASME Sec. VIII Div.1 satisfy UG-20(f)(1), (2), (4) & (5).
Design temperature is 687 deg.F, so vessel do not satisfy UG-20(f)(3).
As UG-20(f) is not satisfied, does impact testing becomes mandatory ?
-or-
Do I need to further refer Figure UCS-66 to establish impact testing exemptions ?
 
You may be able to exempt per various provision of UCS-66, you will need a detailed look at it all.

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand
 
UCS-66 CHART WILL SHOW IMPACT TEST EXEMPTION AS PER CARBON MATERIAL DESCRIPTION WITH GRADE & THICKNESS .
 
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