Re: [MW:27054] Required electrode for A335 P11 # S316 material

Never weld austenitic filler on inconel as you will get fine fissures at the interface.
Don't go cheap, else you may regret later.

Prem Nautiyal

PREM S NAUTIYAL
CELL : 9769316004





From: Kannayeram Gnanapandithan <kgpandithan@gmail.com>
Sent: Fri, 24 Nov 2017 15:27:50 GMT+0530
To: materials-welding <materials-welding@googlegroups.com>
Subject: Re: [MW:27053] Required electrode for A335 P11 # S316 material

Is it advisable to weld Austenetic SS filler over Nickel base weldments?

THANKS & BEST REGARDS,

KG.PANDITHAN, IWE,  AWS-CWI, CSWIP 3.1,

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Fri, Nov 24, 2017 at 12:18 PM, Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

It is better to use ER NiCr3 instead of Inconel 625 due to its 2nd hardening effect  at High Temperature

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THANKS & BEST REGARDS,

KG.PANDITHAN, IWE,  AWS-CWI, CSWIP 3.1,

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Fri, Nov 24, 2017 at 11:37 AM, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:

I suppose it is a Butt Joint. Hence PWHT is required for thickness greater than 13mm for P11 material. Butter the P11 side with ENiCrMo3 with the finished buttered thickness around 5mm, complete the buttering and perform PWHT on the P11 side and weld the remaning joint between buttered bevel & 316 using ENiCrMo3.

Thanks & Regards

J.Gerald Jayakumar

0091-9344954677

On Friday, November 24, 2017, 8:08:30 AM GMT+4, Chandra Bhanu Mohapatra <bapunchandra@gmail.com> wrote:

its design temperature is 500 degree centigrade and working pressure is 68 Bar and the joint is pipe to threadolet and pipe thickness is 14 mm..so plz suggest

On Thu, Nov 23, 2017 at 3:23 PM, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:

It depends on the Design Temperature and any PWHT   if Applicable.

Normally for Design temperatures above 315degC or when PWHT is Applicable

1. Choice one is to use ENiCrMo3(Alloy 625 based) butter the P11 side for around 6-8mm and perform the PWHT and weld the buttered end with the 316 using E309MoL/E309L when design temperature is less than 315degC else weld with ENiCrMo3.

Thanks & Regards

J.Gerald Jayakumar

0091-9344954677

On Thursday, November 23, 2017, 1:01:09 PM GMT+4, Chandra Bhanu Mohapatra <bapunchandra@gmail.com> wrote:

Dear Expert 

                       Can somebody help me out to decide the electrode for the pipe welding (Material A335 P11 # S316 ) and Design Code is B31.1

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tHanks & rEgards

Chandra Bhanu Mohapatra

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tHanks & rEgards

Chandra Bhanu Mohapatra

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