Re: [MW:35363] Application of Non PWHT WPS to PWHT vessel

Hi, 

Use E2594-15 and E2594-16 under SFA 5.4

The E2594-15 and E2594-16 electrodes are classified under the SFA 5.4 specification for stainless steel covered electrodes used in Shielded Metal Arc Welding (SMAW). These electrodes are specifically designed for welding super duplex stainless steels, including UNS S32906, S32750, and S32760.

The deposited weld metal from both electrodes must meet the following composition as per AWS A5.4/SFA 5.4

Selection Guide:

Use E2594-15 for critical and high-strength applications requiring low hydrogen welds.

Use E2594-16 for general applications and easier weldability in all positions.

Regards, 

Deerendra 

On Sat, 21 Dec, 2024, 12:17 Ganesh Rajole, <ganesh.r@enochvalve.com> wrote:

Dear expert,

We need to weld UNS 32906 material...please suggest which electrode is suitable.

On Fri, Dec 20, 2024, 10:33 AM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

ASME SEC 9, QW 407.1

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, ISO 3834, EN 15085, 

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Thu, Dec 19, 2024 at 5:53 PM Vasagan Balaji <7vasagan@gmail.com> wrote:

Than you pandithan , noted ! But what's reference for same ?

Regards 

On Thu, 19 Dec 2024 at 1:12 PM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

new pqr  to be made with vessels simulation temp, hope so

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, ISO 3834, EN 15085, 

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Thu, Dec 19, 2024 at 3:24 PM Vishwas Keskar <vvkeskar123@gmail.com> wrote:

When all other essential variables are same , except PWHT , you have to revise WPS  with PWHT and do further needful in consultation with AI 

Thanks

Vishwas 

IWE

Sent from my iPhone

On 19 Dec 2024, at 10:52 AM, Vasagan Balaji <7vasagan@gmail.com> wrote:

Hello all,

I have a case for a U stamp vessel , Vessel designed initially with  no PWHT,  hence non PWHT wps applied throughout the production phase,  later the manufacturer converted vessel requirement to PWHT ! Manufacturer justifies since all other patemerts met the requirement othethan  PWHT , they intent to proceed for PWHT ! What's ASME position shall be here ?

Regards 

Vasagan 

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