A Charpy Impact test is not required for specimen thickness less than 2.5mm.
Subsize specimens can be machined from the Pipe OD 60mm and thickness 5.5mm. Please check with the Mechanical testing lab.
Please refer to ASME Sec.IIA section SA-370.
If specimen thickness exceeds 80% during machining from the original size, temperature reduction according to the Applicable Code shall be applied.
For subsize specimens Impact values refer to snap shot.
Thanks & Regards
J.Gerald Jayakumar
On Monday, 4 December, 2023 at 05:06:28 pm IST, Prats <prathameshpatkar@swastikindustriesindia.in> wrote:
Hello,
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We have an impact testing requirement to be done on a pipe with an outer diameter of 60mm and a thickness of 5.5mm.
What specimen size should we select for the testing? As the standard "ASTM E23-23A" states, specimen size should be 55L x 10W x 10 thick. We are a bit confused regarding the specimen size...has anyone faced a similar issue? please recommend
Moreover, the specimen should sustain 27 J.
Please help.
Thanks & Regards
Prats
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