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notch toughness test

notch toughness test

(OP)
Hello friends
my customer requirement PWHT, NOTCH TOUGHNESS .
I have welding procedure which have PWHT BUT NO notch toughness test.
please guide me.
stanly.

RE: notch toughness test

stanly3164, also known as Charpy impact test, see ASME SA-370 or ISO 148

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand

RE: notch toughness test

Notch Toughness or Charpy Impact Test is a supplementary essential variable as per Sec-IX when called for by the design code(Sec VIII Div-1 & others).Addition or deletion of an essential variable calls for requalification of procedure.
Thus a new PQR is needed.
If you stick the same PQR regime: same base metal( preferably with same CE), welding consumables, welding parameters, PWHT cycle, only an impact test could be used an addendum to the existing PQR..

Thanks.

Pradip Goswami,P.Eng.IWE
Welding & Metallurgical Specialist
Ontario,Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299

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