Re: [MW:31694] Preheat Requirements for in service pressure vessel ,

Refering code and Thickness 

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Tue, Nov 3, 2020 at 9:21 AM senthil vel <senthil7tlnd@gmail.com> wrote:

Dear Sir

As per design the vessel have no PWHT ,

During Repair Preheat Need?

On Mon, 2 Nov 2020, 14:30 NIKHIL THOMAS JOY, <nikhil.thomasjoy@gmail.com> wrote:

Dear experts,

Greetings of the day

I have a query related to the F Number in welding process.

IF I QUALIFY A WELDER WITH F No.6, He can weld all F.No-6.

But, if I Qualify with F No.5, can he weld F No.1 to 4.

Experts please reply as per code reference.

BEST REGARDS,

NIKHIL THOMAS JOY

IWI LIMITED 

ADNOC-WHRP

0544975526

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