Not required. Impact test requirement is a function of Temperature and Thickness. Refer Table UCS-66 Curve D values for Normalised material. Moreover Weld Metal is also exempted from Impact tests if welding consumable is impacted tested at MDMT upto -46degC
Thanks & Regards
J.Gerald Jayakumar
0091-9344954677
On Sunday, May 27, 2018 04:00:06 PM +04, 'anand gupta' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Yes
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Impact test required at _30 °c
A p gupta
IOCL
BARODA
-- On Sun, 27 May 2018 at 11:03 AM, vishnudas balachandran<vishnudasb@gmail.com> wrote:--Dear All,Vessel Data,MDMT = ( - 30 Deg C),Plate thickness = 12mm,Dished end = 12/14,Material = SA 516 Gr.70 N.+ HICDesign Code - ASME Sec VIII DIV 1.Is Impact testing required ?As per UG-20 (f) (3) ,"Design temperature is no warmer than 650°F (345°C) nor colder than −20°F (−29°C). Occasional operating temperatures colder than −20°F (−29°C) are acceptable when due to lower seasonal atmospheric temperature."Is there any provision for wave Impact testing as per code provision(s). Kindly advise.
--Regards,
Vishnu*Before printing, think about your ENVIRONMENTAL responsibility!Don't print unless necessary.
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