Re: [MW:35354] Cast-iron welding

1. Preheat joint area(other area, cover with mineral wool). 2. ENiCi or ENiFe-CI. 3. stringer bead. 4. peening is to be done on weldmetal immediately after deposition of every electrode. 5. Cover with mineral wool after completion of complete weld for slow cooling.

On Wed, 18 Dec 2024, 16:39 , <elams.rajan@gmail.com> wrote:

Any advice for cast iron welding

Sent from Yahoo Mail for iPhone

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[MW:35355] Application of Non PWHT WPS to PWHT vessel

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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Re: [MW:35356] Application of Non PWHT WPS to PWHT vessel

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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Re: [MW:35357] Application of Non PWHT WPS to PWHT vessel

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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Re: [MW:35358] Application of Non PWHT WPS to PWHT vessel

Thanks Vishwa , but how we prove mechanical strength  on the welded joints for the heat treatment ? 

Regards  

On Thu, 19 Dec 2024 at 12:54 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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Re: [MW:35358] Application of Non PWHT WPS to PWHT vessel

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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Re: [MW:35360] Application of Non PWHT WPS to PWHT vessel

Check WPS for PWHT requirement 

On Thu, 19 Dec 2024 at 10:52, 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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Re: [MW:35361] Application of Non PWHT WPS to PWHT vessel

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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Re: [MW:35362] Application of Non PWHT WPS to PWHT vessel

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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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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Re: [MW:35365] PCN -PAUT Institute

Dear Mr. Senthil,

RVS Quality certifications - Hyderabad,

Trichy Institute of Welding -Tiruchirappalli,

A Star Training & Consultancy - Chennai,

ANDT - Noida,

Institute of NDT and Training - Mumbai,

iMECH Institute- Hyderabad

offers NDT including PCN-PAUT courses in India.

C Sridhar.

----------------------------------------------------------------------------------------------------

On Wed, 18 Dec 2024 at 16:39, SENTHIL P <senins054@gmail.com> wrote:

Dear all,

       Pls let me know the best PCN -PAUT Institute in India,

Thanks in advance,

Thanks and regards,

SENTHIL P

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Re: [MW:35364] Application of Non PWHT WPS to PWHT vessel

Try these 2 Links and as well contact your ESAB dealer.

Exaton 29.8.2.L (GTAW)

Sandvik for Sandvik Materials Technology | UL Prospector

Sandvik for Sandvik Materials Technology | UL Prospector UL Prospector Sandvik 29.8.2.LR is a covered electrode with rutile-basic coating and about 105% metal recovery for welding of ...

Please also check below snapshot.

Thanks & Regards

J.Gerald Jayakumar

0091-8838619635

On Saturday 21 December, 2024 at 12:17:41 pm IST, 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, 

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CONSULTANT-WELDING & QUALITY

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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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[MW:35366] what are the effect of nitric acid and Sulphate in stainless steel pipe (material SS304)

Hello Experts,
Can anyone provide me some assistance regarding the subject.

Query:
what are the effect of nitric acid and Sulphate in stainless steel pipe (material SS304)

Details:
Sample contains 8.6 wt% of Sulphate. Total titratable acidity of the sample is 35.6 wt% as nitric acid.

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[MW:35367] Pwht

Hii,

Which standard cover interruption during pwht 

On Sun, Dec 22, 2024, 4:41 PM Shekh Sadik <sadekurrahman.msbpl@gmail.com> wrote:

Hello Experts,
Can anyone provide me some assistance regarding the subject.

Query:
what are the effect of nitric acid and Sulphate in stainless steel pipe (material SS304)

Details:
Sample contains 8.6 wt% of Sulphate. Total titratable acidity of the sample is 35.6 wt% as nitric acid.

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Re: [MW:35369] Pipe 304L(P8) – Pipe 304L(P8)

Yes . E/ER 308L is having beter corrosion resistance  but strength reduces marginally. You can also try E/ER 308LM

On Mon, 18 Nov 2024 at 17:39, Marco Nunes <marcovsky82@gmail.com> wrote:

Can  anyone provide some assistance in the issue identified below:

The details are as follows:

 

Details

Parent material Pipe 304L(P8) – Pipe 304L(P8)

Inservice temperature range – 35-85 °C

Operating Pressure – 0.4 -0.5 MPaG

Process Type – Process Condensate.

Carbonic acid – there may be the presence of carbonic acid as indicated by CGCL.

 

Approved Process

WPS# P8-P8 AR - Filler material ER308L- F6 filler metal

 

Quality Issue

ER308H rods were used instead of ER308L on two locations of the 304L piping.

 

Technical Advice Request

The client indicated that the use of the ER308H Filler Wire instead of the ER308L has a higher risk of intergranular corrosion and corrosion related issues.  

 

Please advise on the short term or long-term quality effects on the integrity of the welded joints where the ER308H filler wire were utilized.

 

Thanking you in advance.

Mark Nunes

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[MW:35367] ASME B31.3 2012 vs 2022 different in pwht

Hii, 

Any one explain what is difference in ASME B31.3 2012 vs 2022 different in pre heating and PWHt 

Thanks 

Vignesh 

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Re: [MW:35370] Pipe 304L(P8) – Pipe 304L(P8)

Is typ 308H is used at process fluid side ? 

If yes , then remove it completely and reweld .

If it is in between or at outer side thickness welding , then no issue

Sent from my iPhone

On 25 Dec 2024, at 1:00 PM, Vinay <vinay.thattey@gmail.com> wrote:



Yes . E/ER 308L is having beter corrosion resistance  but strength reduces marginally. You can also try E/ER 308LM

On Mon, 18 Nov 2024 at 17:39, Marco Nunes <marcovsky82@gmail.com> wrote:

Can  anyone provide some assistance in the issue identified below:

The details are as follows:

 

Details

Parent material Pipe 304L(P8) – Pipe 304L(P8)

Inservice temperature range – 35-85 °C

Operating Pressure – 0.4 -0.5 MPaG

Process Type – Process Condensate.

Carbonic acid – there may be the presence of carbonic acid as indicated by CGCL.

 

Approved Process

WPS# P8-P8 AR - Filler material ER308L- F6 filler metal

 

Quality Issue

ER308H rods were used instead of ER308L on two locations of the 304L piping.

 

Technical Advice Request

The client indicated that the use of the ER308H Filler Wire instead of the ER308L has a higher risk of intergranular corrosion and corrosion related issues.  

 

Please advise on the short term or long-term quality effects on the integrity of the welded joints where the ER308H filler wire were utilized.

 

Thanking you in advance.

Mark Nunes

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Re: [MW:35371] Pipe 304L(P8) – Pipe 304L(P8)

308 L is for better corrosion resistance application,  But 308 H is for high temperature with minimum carbon control is maintained say 0.04, inferior to corrosion resistance. Ur Temp is not high. 

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 Wed, Dec 25, 2024 at 1:01 PM Vinay <vinay.thattey@gmail.com> wrote:

Yes . E/ER 308L is having beter corrosion resistance  but strength reduces marginally. You can also try E/ER 308LM

On Mon, 18 Nov 2024 at 17:39, Marco Nunes <marcovsky82@gmail.com> wrote:

Can  anyone provide some assistance in the issue identified below:

The details are as follows:

 

Details

Parent material Pipe 304L(P8) – Pipe 304L(P8)

Inservice temperature range – 35-85 °C

Operating Pressure – 0.4 -0.5 MPaG

Process Type – Process Condensate.

Carbonic acid – there may be the presence of carbonic acid as indicated by CGCL.

 

Approved Process

WPS# P8-P8 AR - Filler material ER308L- F6 filler metal

 

Quality Issue

ER308H rods were used instead of ER308L on two locations of the 304L piping.

 

Technical Advice Request

The client indicated that the use of the ER308H Filler Wire instead of the ER308L has a higher risk of intergranular corrosion and corrosion related issues.  

 

Please advise on the short term or long-term quality effects on the integrity of the welded joints where the ER308H filler wire were utilized.

 

Thanking you in advance.

Mark Nunes

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