[MW:33974] use of filler metal for SAW

When we use SAW process 

we use only filler metal EM12K or we use other filler with it ?

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[MW:33974] Issues with Tacking

Dear Experts,

Please find the attached pictures if there are alternate options for Fit up as tacking has been done directly on the Flange.

Please advise.

Best Regards,

 

Krishna Kamal Nayan  

 

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[MW:33971] Request for Filled Pressure vessel inspection Report

Dear Experts,

 

                      I have recently become an API 510 pressure vessel inspector. But I like to see How ITR's (Inspection Test Report) to be prepared for the vessel inspection. If anyone is done, kindly share filled ITR's for better understanding and few words about the inspection procedure.

Thanks,

Kind Regards,

G.Gughan

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Re: [MW:33970] Weldability of A283 Gr C with A573 Gr70

There are certain factors to be considered while selecting the welding consumable.

1. The Tensile strength of the welding consumable shall be higher than the minimum specified Tensile strength of the Base material.

2. If two different grades are welded the welding consumable tensile strength shall be higher than the lowest grade.

3. If it is a structural weld and welding to the pressure boundary then low H2 electrode is preferred such as E7018 / E7108-1.

4. If it is between a non pressure part to non-pressure part then  you can prefer E6013 for your requirement and thickness.

5. If the Thickness(>25mm) & Carbon equivalent is higher it is preferred to weld with a low H2 electrode such as E7018

Thanks & Regards

J.Gerald Jayakumar

On Friday, 27 January, 2023 at 11:05:33 am GMT+3, Benaouda Mezrar <mezrarbenaouda4@gmail.com> wrote:

A573 gr 70 12mm 

A283 gr C 10mm

On Fri, 27 Jan 2023, 05:21 'james gerald' via Materials & Welding, <materials-welding@googlegroups.com> wrote:

Also provide the thickness 

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:23, james gerald

<gerry_tup@yahoo.com> wrote:

What is the design CODE API 620 / 650

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:19, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

But sir we use these two nuances for construction of storage tanks. Is it applicable ? with different thickness 

sir please could you give me more arguments about the weldability of these two nuances ? 

thank you a lot for your helps sir    

Le jeu. 26 janv. 2023 à 07:40, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

Use E7018 / E7018-1

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 7:32, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

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Re: [MW:33969] Weldability of A283 Gr C with A573 Gr70

A573 gr 70 12mm 

A283 gr C 10mm

On Fri, 27 Jan 2023, 05:21 'james gerald' via Materials & Welding, <materials-welding@googlegroups.com> wrote:

Also provide the thickness 

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:23, james gerald

<gerry_tup@yahoo.com> wrote:

What is the design CODE API 620 / 650

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:19, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

But sir we use these two nuances for construction of storage tanks. Is it applicable ? with different thickness 

sir please could you give me more arguments about the weldability of these two nuances ? 

thank you a lot for your helps sir    

Le jeu. 26 janv. 2023 à 07:40, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

Use E7018 / E7018-1

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 7:32, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

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[MW:33967] Re: IBR Welding Requirements

IBR Regulation 608 onwards specifies  about Welder Qualification certificate.

There is chapter related to  :

QUALIFICATION TESTS FOR WELDERS ENGAGED IN WELDING OF BOILERS AND STEAM-PIPES UNDER CONSTRUCTION, ERECTION AND FABRICATION AT SITE IN INDIA AND IN REPAIRING BOILERS AND STEAM-PIPES BY WELDING

WPS PQR are not required.

Thanks and regards

Vishwas 

IWE 

On Thursday, January 26, 2023 at 2:42:13 PM UTC+5:30 Anand Elankumaran wrote:

Dear Experts,

Could you please provide the details about the IBR Welding requirements in terms of WPS & PQR, WQT.

--

Thanks and Regards,

E. Anand,

Lead QA-QC,

Sohar,

Oman.

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Re: [MW:33965] Weldability of A283 Gr C with A573 Gr70

API 650 

Le jeu. 26 janv. 2023 à 10:24, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

What is the design CODE API 620 / 650

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:19, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

But sir we use these two nuances for construction of storage tanks. Is it applicable ? with different thickness 

sir please could you give me more arguments about the weldability of these two nuances ? 

thank you a lot for your helps sir    

Le jeu. 26 janv. 2023 à 07:40, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

Use E7018 / E7018-1

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 7:32, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

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Re: [MW:33965] Weldability of A283 Gr C with A573 Gr70

Also provide the thickness 

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:23, james gerald

<gerry_tup@yahoo.com> wrote:

What is the design CODE API 620 / 650

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:19, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

But sir we use these two nuances for construction of storage tanks. Is it applicable ? with different thickness 

sir please could you give me more arguments about the weldability of these two nuances ? 

thank you a lot for your helps sir    

Le jeu. 26 janv. 2023 à 07:40, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

Use E7018 / E7018-1

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 7:32, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

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Re: [MW:33964] Weldability of A283 Gr C with A573 Gr70

What is the design CODE API 620 / 650

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 12:19, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

But sir we use these two nuances for construction of storage tanks. Is it applicable ? with different thickness 

sir please could you give me more arguments about the weldability of these two nuances ? 

thank you a lot for your helps sir    

Le jeu. 26 janv. 2023 à 07:40, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

Use E7018 / E7018-1

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 7:32, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

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[MW:33962] IBR Welding Requirements

Dear Experts,

Could you please provide the details about the IBR Welding requirements in terms of WPS & PQR, WQT.

--

Thanks and Regards,

E. Anand,

Lead QA-QC,

Sohar,

Oman.

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Re: [MW:33962] Weldability of A283 Gr C with A573 Gr70

But sir we use these two nuances for construction of storage tanks. Is it applicable ? with different thickness 

sir please could you give me more arguments about the weldability of these two nuances ? 

thank you a lot for your helps sir    

Le jeu. 26 janv. 2023 à 07:40, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

Use E7018 / E7018-1

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 7:32, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

--
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Re: [MW:33961] Weldability of A283 Gr C with A573 Gr70

Use E7018 / E7018-1

Sent from Yahoo Mail on Android

On Thu, 26 Jan 2023 at 7:32, Benaouda Mezrar

<mezrarbenaouda4@gmail.com> wrote:

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

--
https://materials-welding.blogspot.com/
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[MW:33960] Weldability of A283 Gr C with A573 Gr70

Dear friend 

could anyone answer my question, the question is : could we weld A573 GR70 with A283GR C

In my opinion we can't  weld them because the minimum specified  tensile are 

for A283 GR C = 380 MPA

for A573 Gr70 = 485 MPA

Please friend help me i need this information emergency

if the answer is yes which type of filler metal we should use for SMAW 

 

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[MW:33959] Re: MANDATORY HARDNESS TEST AFTER PWHT

It is depending on Design Construction code / Client specification

Normally ASME  SEC I , piping,  equipment does not call  for Hardness test .

As a practice , random hardness checks are  carried out to ensure effective PWHT.

Maximum Hardness reading shall not exceed 275 - 280 BHN .

Hardness checking procedure shall outline Testing Method, type of equipment, Operator 

API 938 , does specify Hardness of 250 BHN maximum .

Regards

Vishwas - IWE

International Welding Engineer 

 

On Wednesday, January 18, 2023 at 1:18:58 PM UTC+5:30 MACARIO PALOLA wrote:

Sirs,

Is it mandatory to perform hardness test after pwht of P91?

Do we have supporting code?

Thank you for your reply.

Mac

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Re: [MW:33958] Unequal wall thickness same base metel

Prepare Taper to High Thickness member

Generally  it is 1:4 Taper 

Thanks 

Vishwas —IWE 

Sent from my iPhone

On 24-Jan-2023, at 8:51 AM, Karunakaran Karan <karunaqc@gmail.com> wrote:



Dears, 

    Clarify same base metal but different  wall thickness(11.97 and 7.9mm)please any tolerance for fitup and standard.

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Re: [MW:33955] how is repair calcualted in piping percantage of RT IS 5%

The acceptable Repair percentage is specified in the Client specification.

From your Excel sheet as below.

From your attached sheet, the Repair percentage is calculated in 2 ways.

1. Joint wise (no of Joints Repair / Total no of Joints RT shoot x 100).

2. RT Film wise ( no of Films Repair / Total no of Films shoot x 100).

From the Client specification, you can understand what is the 5% limit.

Thanks & Regards

J.Gerald Jayakumar

On Monday, 23 January, 2023 at 05:37:37 am GMT+3, attaulla khan <attaullakhan@gmail.com> wrote:

Dear gents i have attached a excel sheet of repair  rate welder wise can any one help me in these figures my doubt is how did get this with out lenth of of repair

the percentage of RT is 5% 

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[MW:33955] Re: Unequal wall thickness same base metel

Asme 31.4 mention 2.38 maimum

On Mon, 23 Jan 2023, 18:57 Karunakaran Karan, <karunaqc@gmail.com> wrote:

Dears, 

    Clarify same base metal but different  wall thickness(11.97 and 7.9mm)please any tolerance for fitup and standard.

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[MW:33955] Unequal wall thickness same base metel

Dears, 

    Clarify same base metal but different  wall thickness(11.97 and 7.9mm)please any tolerance for fitup and standard.

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Re: [MW:33954] A216M vs A216 material

Dear, 

M indicates Unit of measurement (SI units) please find below abstract  of ASTM A 320- 21a, same Clause may present in A 216 also.

"1.6 This specification is expressed in both inch-pound units and SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI) units, the inch-pound units shall apply."

Regards,

CH V RAMANA 

On Monday, 23 January, 2023 at 12:18:08 pm IST, Michael Tho <michaeltholektong@gmail.com> wrote:

What is the difference between A216 and A216M ?

Normally we offer A216-WCB/WCC however this time the requirement comes with A216M-WCB/WCC.

Please advise and any document that explains the difference?

Thank you.

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Re: [MW:33952] SA387 GR.11 CL.2 Vessel

DearJayakumar

Many thanks for your email. We use these materials only for structure in tieback in well. 

Regards 

Babak 

Sent from Yahoo7 Mail on Android

On Mon., 23 Jan. 2023 at 6:07 am, 'james gerald' via Materials & Welding

<materials-welding@googlegroups.com> wrote:

what type of Joint is it.

1. Pressure vessel circum seam. seems unlikely due to huge thickness variation

2. Any Internal(like Ring) welding to the Clad.

3. Any External attachment to vessel.

Thanks & Regards

J.Gerald Jayakumar

On Thursday, 19 January, 2023 at 02:08:51 pm GMT+3, Manikandan J <mechmani22@gmail.com> wrote:

Dear Experts,

We have a Vessel with the following MOC.(API RP 934 C)

Material 1 : SA 387 GR.11 CL.2 + SA 240 GR.347 (3.2 mm Cladded) -80 MM

Material 2 : SA 387 GR.11 CL.2 - 25 mm

Requesting your Technical inputs for PQR establishment.

Regards,

Manikandan

KSA

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Re: [MW:33948] SA387 GR.11 CL.2 Vessel

what type of Joint is it.

1. Pressure vessel circum seam. seems unlikely due to huge thickness variation

2. Any Internal(like Ring) welding to the Clad.

3. Any External attachment to vessel.

Thanks & Regards

J.Gerald Jayakumar

On Thursday, 19 January, 2023 at 02:08:51 pm GMT+3, Manikandan J <mechmani22@gmail.com> wrote:

Dear Experts,

We have a Vessel with the following MOC.(API RP 934 C)

Material 1 : SA 387 GR.11 CL.2 + SA 240 GR.347 (3.2 mm Cladded) -80 MM

Material 2 : SA 387 GR.11 CL.2 - 25 mm

Requesting your Technical inputs for PQR establishment.

Regards,

Manikandan

KSA

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