Re: [MW:25136] PWHT Requirement as per ASME B31.3 Ed.2014

If thickness exceeds 38mm, irrespective of anything PWHT applicable
Regards
Loni

On 23 Jul 2016 12:19 p.m., "Krishna Mudhale" <kmudhale@gmail.com> wrote:

Hi Experts,
I would like to know about PWHT Requirement as per ASME B31.3 Edition 2014.
Actually for P1 Material as per Table 331.1.1 given Soaking Temperature & time for all thicknesses.
Also as per Table 331.1.3 given some exemption for PWHT of P1 material subject to two limitations ie. One for greater than 25mm thickness a preheat of 95 Deg C to be applied whereas other one is for greater than 5mm Thk multiple layer of Welding carried out.
So my question is, If thickness is of 50mm and if we are covering both the condition of preheat and multiple layer Welding then PWHT is applicable or not?

Kindly need your advise...

Thanks & Regards
Krishna Mudhale
Mob.:+91-9860459776

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