Wednesday, February 25, 2015

[MW:22921] formula of strain percentage

Dear All
 In our spec. a formula is coming to calculate percentage Strain for tubular section as follow: 
PS % = (t/D) x 100
Now how can calculate strain age for other sections such as HEB?
Regards.  

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Tuesday, February 24, 2015

Re: [MW:22920] Re: Excess penetration measurment in Radiograph


Any idea about Image Contract Graph, In Shell Dep mentioned about excess penetration measurement by Image contrast graph,

Regards,

K.Sundar Rajan

On 22 February 2015 at 09:28, Prashun Kumar <prashunk@gmail.com> wrote:
Excess penentration is measured edge of the joint to base metal in superimposed method by scale.
 
Regards,
 
Prashun

On Sat, Feb 21, 2015 at 9:03 PM, sundarrajan kumaraswamy <ksraja15@gmail.com> wrote:
Dear Pratish,

UT measurement on small bore piping is very difficult , more over probe seating on weld is impossible
so please suggest how to measure weld excess penetration by UT

Any idea about Image Contrast Graph,

Regards,

K.Sundar Rajan

On 21 February 2015 at 09:02, <pkkanishk2006@gmail.com> wrote:
Dear Sundar ,

I believe all have given their input and the good one is to do UT or you can go for gauge pigging which could help u to understand if it is excess or not.

Regards
Pratish 

On Wednesday, February 18, 2015 at 1:49:32 AM UTC+5:30, sundarrajan kumaraswamy wrote:
  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,
what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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Re: [MW:22919] Welding rod for EN 1.7221 material

Dear manivannam,

thanks for advice , but the rod is nickel based , and the e1.7221 chemistry there is no nickel , its chromium based ,

Thanks,
Ambrish

On Monday, February 23, 2015 at 6:38:47 PM UTC+4, manivannan hemu wrote:
Dear Ambrish,

For SMAW You can select E 8016 C1.

Regards,
MANIVANNAN



On Sun, Feb 22, 2015 at 11:34 AM, ambrish dubey <ambr...@gmail.com> wrote:
Dear All,
can anybody help me to decide which filler material is suitable for welding EN1.7221 material

Thanks,
Ambrish

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Monday, February 23, 2015

Re: [MW:22918] Welding rod for EN 1.7221 material

Dear Ambrish,

For SMAW You can select E 8016 C1.

Regards,
MANIVANNAN



On Sun, Feb 22, 2015 at 11:34 AM, ambrish dubey <ambrish37@gmail.com> wrote:
Dear All,
can anybody help me to decide which filler material is suitable for welding EN1.7221 material

Thanks,
Ambrish

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Sunday, February 22, 2015

Re: [MW:22917] Re: Joint catagory of WNRF flange in a pressure vessel

Pl find below the interpretation. I believe I misrepresented in earlier mail.

Interpretation:  VIII-1-89-33
Subject:         Section VIII, Division 1 (1986 Edition, 1987 Addenda), UW-3
Date Issued:     October 26, 1988
File:            BC88-245, VIII-1

Question:  A welding neck flange is welded with a butt weld at the tapered end of the flange extension to the pipe nozzle.  Is this joint a Category C joint by location in UW-3(a)(3)?

Reply:  Yes.


On Fri, Feb 6, 2015 at 8:18 PM, LINUS <linustech@gmail.com> wrote:
For WNRF Flange it is B. There is also an interpretation on this. Shall locate and post

On Tuesday, February 3, 2015 at 2:27:51 PM UTC+5:30, Umar Rashid Makrani wrote:
Dear Experts,
As per UW-3, what will be the joint category of WN flange to nozzle weld. My opinion is Category B. Please advise with clarifications.

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[MW:22916] Hydro test without vent in-service.

Dear Experts,

I have a scenario were i have to carry out hydro test. but vent on top of vessel is not available. this is in-service inspection.

Please provide with reference to code.

 

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Thanks and Regards, ?

Mohammed Ghani,

CSWIP 3.1 / BGAS L-2 / ISO 9001:2008 QMS LA.

Mechanical Inspector,



ü
 Please consider the environment before printing this email.

 "Be the change you wish to see in the world"

---Mahatma Gandhi---

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[MW:22915] RE: 22914] welding techniques on pipe spools-reg

Hi friend,
Please elaborate...
What kind of valve, and what is moc, and what kind of packing / gland is their in valve.
Most of the valve manufacturer will give moc of packing to suit to welding only.
Please keep the valve in open condition.
Also maintain some gap at the pipe end(don't touch to valve end).


Lakshman kumar.B
Project manager.
9440031459

From: Siva Chidambaram
Sent: ‎22-‎02-‎2015 12:40
To: materials-welding@googlegroups.com
Subject: [MW:22914] welding techniques on pipe spools-reg

Hi friends,
 
I need some welding techniques for the below issue.
we have pipe spools of 1"& 3/4" with pipe to valves.
Can any body suggest me, how to prepare for welding with pipe to valve.
All joints are socket welds.
1. whether I have to keep the valve in open or closed condition?
2. whether I have to remove the gland from the valves during welding?
 
Kindly suggest me, if there is any procedure for this process?
 
Thanks and regards,
M. Sivachidambaram
QHSE Engineer

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[MW:22914] welding techniques on pipe spools-reg

Hi friends,
 
I need some welding techniques for the below issue.
we have pipe spools of 1"& 3/4" with pipe to valves.
Can any body suggest me, how to prepare for welding with pipe to valve.
All joints are socket welds.
1. whether I have to keep the valve in open or closed condition?
2. whether I have to remove the gland from the valves during welding?
 
Kindly suggest me, if there is any procedure for this process?
 
Thanks and regards,
M. Sivachidambaram
QHSE Engineer

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[MW:22913] Welding rod for EN 1.7221 material

Dear All,
can anybody help me to decide which filler material is suitable for welding EN1.7221 material

Thanks,
Ambrish

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[MW:22912] Consumable selection for Double cycle or Three cycle PWHT

Dear Experts,

Is there any guide line for consumable selection for Double cycle or Three cycle PWHT? What are the factor is need to be consider for consumable selection.

 

Thanks & Regards,

Mohd. Azam

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Re: [MW:22911] Re: Excess penetration measurment in Radiograph

Excess penentration is measured edge of the joint to base metal in superimposed method by scale.
 
Regards,
 
Prashun

On Sat, Feb 21, 2015 at 9:03 PM, sundarrajan kumaraswamy <ksraja15@gmail.com> wrote:
Dear Pratish,

UT measurement on small bore piping is very difficult , more over probe seating on weld is impossible
so please suggest how to measure weld excess penetration by UT

Any idea about Image Contrast Graph,

Regards,

K.Sundar Rajan

On 21 February 2015 at 09:02, <pkkanishk2006@gmail.com> wrote:
Dear Sundar ,

I believe all have given their input and the good one is to do UT or you can go for gauge pigging which could help u to understand if it is excess or not.

Regards
Pratish 

On Wednesday, February 18, 2015 at 1:49:32 AM UTC+5:30, sundarrajan kumaraswamy wrote:
  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,
what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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Saturday, February 21, 2015

Re: [MW:22910] Re: Excess penetration measurment in Radiograph

Dear Pratish,

UT measurement on small bore piping is very difficult , more over probe seating on weld is impossible
so please suggest how to measure weld excess penetration by UT

Any idea about Image Contrast Graph,

Regards,

K.Sundar Rajan

On 21 February 2015 at 09:02, <pkkanishk2006@gmail.com> wrote:
Dear Sundar ,

I believe all have given their input and the good one is to do UT or you can go for gauge pigging which could help u to understand if it is excess or not.

Regards
Pratish 

On Wednesday, February 18, 2015 at 1:49:32 AM UTC+5:30, sundarrajan kumaraswamy wrote:
  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,
what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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[MW:22909] Re: Excess penetration measurment in Radiograph

Dear Sundar ,

I believe all have given their input and the good one is to do UT or you can go for gauge pigging which could help u to understand if it is excess or not.

Regards
Pratish 

On Wednesday, February 18, 2015 at 1:49:32 AM UTC+5:30, sundarrajan kumaraswamy wrote:
  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,
what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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Thursday, February 19, 2015

Re: [MW:22908] Excess penetration measurment in Radiograph

Dear Sundar rajan Kumarswamy,

Please let me know the DEP number...

ವಂದನೆಗಳೊಂದಿಗೆ / Best regards,

Nandesh Kumar Arasappa

P.S. : Please don't print this e-mail unless you really need to.

--------------------------------------------
On Wed, 18/2/15, sundarrajan kumaraswamy <ksraja15@gmail.com> wrote:

Subject: Re: [MW:22905] Excess penetration measurment in Radiograph
To: materials-welding@googlegroups.com
Date: Wednesday, 18 February, 2015, 11:25 PM


Yes, I agree with your Radiography
image, but ASME B 31.3 acceptance criteria is only for
Visual Inspection not forRadiography image,
moreover ball passing test is not specified in ASME
standard,
Any idea
about  Image Contrast graph method, Shell DEP has specified
this test procedure for measuring Excess penetration,

Regards,
K.Sundar Rajan
On 18 February 2015 at
14:39, LALU RAJENDRAN <lalucpt@gmail.com>
wrote:
Hi,
My opinion, in DWSI
superimpose, you can see the excess penetration clearly.
Please refer the attached image.
Please refer table 341.3.2 for
acceptance criteria. However as Mr. Jerald mentioned earlier
you can go for ball passing test to confirm the
ID.

regards,LALULINKS MIDDLE EASTABU DHABI, UAE

On
Wed, Feb 18, 2015 at 12:19 AM, sundarrajan kumaraswamy <ksraja15@gmail.com>
wrote:
  How to measure the excess
penetration from the Radiograph of Small bore piping 
DWDI superimpose Radiograph shows low density near the inner
wall,what is acceptance criteria for excess
penetration as per ASME B 31.3 code, Please clarify the
IMAGE CONTRAST GRAPH method .
Regards,
K.Sundar Rajan




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Re: [MW:22907] Process Piping Inspection Code

Dear sir;

ovality ,deformities should be inspected according the factory fabrication code ( exp : for API 5L Gr B , according API 5L code ).

Regards
 
 
SALHI Raouf
QA/QC Engineer

Tel: Morocco +212628979891
      Tunisia +21621458258


Le Jeudi 19 février 2015 4h43, Richard robes <mech.processes@gmail.com> a écrit :


Dear All,

Please advise on what basis code Piping Inspection is done for process piping, Material Inspection is done through B31.3, but based on what we accept Ovality, Indendation like deformities.

Many Regards
Richard
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[MW:22906] Process Piping Inspection Code

Dear All,

Please advise on what basis code Piping Inspection is done for process piping, Material Inspection is done through B31.3, but based on what we accept Ovality, Indendation like deformities.

Many Regards
Richard

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Re: [MW:22904] Excess penetration measurment in Radiograph

how to measure UT thickness measurement on small bore piping welds for excess penetration measurement.


Regards,

K.Sundar Rajan

On 18 February 2015 at 12:54, <george.dilintas@gr.bureauveritas.com> wrote:

On my opinion extreme low density at the root area could be an indication of excess penetration.
The most reliable method to measure excess penetration is UT thickness measurement

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor

I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS PIRAEUS - GREECE

Tel: +30 210 40 63 113 /4 /5
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04


sundarrajan kumaraswamy ---18/02/2015 05:04:58---  How to measure the excess penetration from the Radiograph of  Small bore piping  DWDI superimpose

From: sundarrajan kumaraswamy <ksraja15@gmail.com>
To: materials-welding@googlegroups.com
Date: 18/02/2015 05:04
Subject: [MW:22887] Excess penetration measurment in Radiograph
Sent by: materials-welding@googlegroups.com





  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,
what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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Re: [MW:22905] Excess penetration measurment in Radiograph


Yes, I agree with your Radiography image, but ASME B 31.3 acceptance criteria is only for Visual Inspection not for
Radiography image, moreover ball passing test is not specified in ASME standard,

Any idea about  Image Contrast graph method, Shell DEP has specified this test procedure for measuring Excess penetration,

Regards,

K.Sundar Rajan

On 18 February 2015 at 14:39, LALU RAJENDRAN <lalucpt@gmail.com> wrote:
Hi,

My opinion, in DWSI superimpose, you can see the excess penetration clearly. Please refer the attached image.

Please refer table 341.3.2 for acceptance criteria. However as Mr. Jerald mentioned earlier you can go for ball passing test to confirm the ID.


regards,
LALU
LINKS MIDDLE EAST
ABU DHABI, UAE

On Wed, Feb 18, 2015 at 12:19 AM, sundarrajan kumaraswamy <ksraja15@gmail.com> wrote:
  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,
what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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Wednesday, February 18, 2015

RE: [MW:22903] Weld Symbol Description

See below:

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Nazrulla Khan
Sent: Wednesday, February 18, 2015 10:58 AM
To: materials-welding@googlegroups.com
Subject: [MW:22901] Weld Symbol Description

 

Gents,

Can any one explain the attached image weld symbol explanation.

1.      8 – depth of bevel
2.      7 – (5?) leg lengths of fillet weld
3.      2 – root opening of groove

4.     45deg – groove angle

 

Thanks & Regards

Nazrulla.JK

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[MW:22901] Weld Symbol Description

Gents,

Can any one explain the attached image weld symbol explanation.

1.      8
2.      7
3.      2
4.     45deg

Thanks & Regards
Nazrulla.JK

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Re: [MW:22901] Excess penetration measurment in Radiograph

These all are the reasons, evaluation of excess penetration using RT for pipes, is never referenced in any codes.

ವಂದನೆಗಳೊಂದಿಗೆ / Best regards,

Nandesh Kumar Arasappa

P.S. : Please don't print this e-mail unless you really need to.

--------------------------------------------
On Wed, 18/2/15, S.Mohammed <mohd52100@gmail.com> wrote:

Subject: Re: [MW:22899] Excess penetration measurment in Radiograph
To: materials-welding@googlegroups.com
Date: Wednesday, 18 February, 2015, 5:45 PM

from where to arrange
ball?

is there standard
size available?

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Re: [MW:22899] Excess penetration measurment in Radiograph

from where to arrange ball?

is there standard size available?

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Re: [MW:22899] AI requirement

If you are interested in becoming one. Pl go to nationalboard.org and read about Commissioned Inspector and you will get all the details

Rgds
Prakash. G.
ASME AIS
Independent Consultant. ASME/ISO/PED
From: Mohammed Ghani
Sent: Wednesday, 18 February 2015 17:27
To: materials-welding@googlegroups.com
Reply To: materials-welding@googlegroups.com
Subject: [MW:22897] AI requirement

Dear Experts,

People generally refer as AI, what are the certifications required to become AI (authorized Inspector)

--
Thanks and Regards, ?

Mohammed Ghani,

CSWIP 3.1 / BGAS L-2 / ISO 9001:2008 QMS LA.

Mechanical Inspector,

ü Please consider the environment before printing this email.

 "Be the change you wish to see in the world"

---Mahatma Gandhi---

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[MW:22897] AI requirement

Dear Experts,

People generally refer as AI, what are the certifications required to become AI (authorized Inspector)

--
Thanks and Regards, ?

Mohammed Ghani,

CSWIP 3.1 / BGAS L-2 / ISO 9001:2008 QMS LA.

Mechanical Inspector,

ü Please consider the environment before printing this email.

 "Be the change you wish to see in the world"

---Mahatma Gandhi---

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RE: [MW:22898] Rechniques for checking internal surface of piping 12" and 16" for natural gas supply

Hello

 

You can use a NDT technique called ultrasound guided waves (UTGW)

 

This technique can detect a serious kind of defects in pipelines, internal and external. Depending of pipe conditions, this NDT can inspect even 50 meters of pipeline in just one test.

 

As is based in ultrasonic principle, this use longitudinal and torsional waves to detect indications which are categorized quantifying the transversal loss of area in pipe. As complement, then you can use single beam of ultrasonic thickness measure to check any indication

 

This can be used with pipeline in service

 

Attached you can find a little information about this NDT

 

There are a lot of services in NDT which offer this one

 

Regards     

 

Miroslav Tadic
Ingeniero  de Integridad
CEE
Gerencia de Producción - Mantenimiento
YPFB Chaco S.A.

De: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] En nombre de Mohammed Ghani
Enviado el: domingo, 15 de febrero de 2015 08:13
Para: materials-welding@googlegroups.com
Asunto: [MW:22880] Rechniques for checking internal surface of piping 12" and 16" for natural gas supply

 

Dear Experts,

 

please let me know there is any technique available for checking internal surface of piping (in service fuel natural gas)

 

And also if there is nay technique for checking internal surface of piping during shutdown please let me know.

Thanks and Regards, ?


Mohammed Ghani,

 

CSWIP 3.1 / BGAS L-2 / ISO 9001:2008 QMS LA.

 

Mechanical Inspector,

BUREAU VERITAS.

 


ü
 Please consider the environment before printing this email.

 "Be the change you wish to see in the world"

---Mahatma Gandhi---

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Re: [MW:22896] Excess penetration measurment in Radiograph

Ball passing test and any other method based on a go - no go gauge could be acceptable

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor

I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS PIRAEUS - GREECE

Tel: +30 210 40 63 113 /4 /5
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
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Re: [MW:22895] Re: Excess penetration measurment in Radiograph

even this method would not be acceptable by an Authorized Inspector

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor

I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS PIRAEUS - GREECE

Tel: +30 210 40 63 113 /4 /5
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
This message contains confidential information. To know more, please click on the following link: http://disclaimer.bureauveritas.com

Re: [MW:22894] Excess penetration measurment in Radiograph

From ASME Code point of view none of those methods is acceptable

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor

I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS PIRAEUS - GREECE

Tel: +30 210 40 63 113 /4 /5
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
This message contains confidential information. To know more, please click on the following link: http://disclaimer.bureauveritas.com

Re: [MW:22893] Excess penetration measurment in Radiograph

Hi,

My opinion, in DWSI superimpose, you can see the excess penetration clearly. Please refer the attached image.

Please refer table 341.3.2 for acceptance criteria. However as Mr. Jerald mentioned earlier you can go for ball passing test to confirm the ID.


regards,
LALU
LINKS MIDDLE EAST
ABU DHABI, UAE

On Wed, Feb 18, 2015 at 12:19 AM, sundarrajan kumaraswamy <ksraja15@gmail.com> wrote:
  How to measure the excess penetration from the Radiograph of Small bore piping  DWDI superimpose Radiograph shows low density near the inner wall,
what is acceptance criteria for excess penetration as per ASME B 31.3 code, Please clarify the IMAGE CONTRAST GRAPH method .

Regards,

K.Sundar Rajan

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[MW:34820] RE: 34813] Clarification in Rate of heating and cooling.

Hello,   Please see the response below.   Regards.   P. Goswami, P. Eng, IWE.   From: materials-welding@googlegroups.com <materials-weld...