Re: [MW:34927] Applicability of Impact requirement as per ASME B31.3

Hi, As per ASME B31.3, Table A1-M,  -46 Deg Celsius is the minimum temperature applicable without impact test.

But Please consider the below note description also before concluding. It is better to do an impact test below -29 degree celsius.

On Wed, Apr 24, 2024 at 4:29 PM 'vinit vani' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear All,

Design code – ASME B31.3, Welding Code- ASME BPVC SEC IX

Material  to be used used during Fabrication - SA 333Gr6 (P No.1 Gr. 1) To SA 350-LF2 (P No.1 Gr. 2)

Production Thickness range-5.54mm(Minimum)-9.53mm(Maximum)

PWHT – Nil

MDMT-= -45 Deg Cel.

Kindly give your valuable suggestions for applicability of PQR impact requirement for above details.

Pl.reply with code clause.

Thanks & Regards

Vinit

India

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