Re: [MW:24598] GTAW weld weaving

Generally 10mm

On 31-Mar-2016 5:00 pm, "simon lawrence" <simonlawrence08@gmail.com> wrote:

Pls confirm that Weld weaving width ,  weld weave maximum how much we can accepted in GTAW process ?

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Re: [MW:24598] Is Sensitive leakt test / Pneumatic Test can be considered as Substitute.

Correct

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From: Kannayeram Gnanapandithan Sent: Σάββατο, 19 Μαρτίου 2016 - 12:56 To: materials-welding Reply To: materials-welding@googlegroups.com Subject: Re: Re:[MW:24551] Is Sensitive leakt test / Pneumatic Test can be considered as Substitute.

RT has got tolerance ( Some discontinuities are acceptable), so it is better to pressure leak test and RT is not substitute for leak test because while doing leak test some acceptable discontinuities may open which is hindrance in service

THANKS & BEST REGARDS,

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

CONSULTANT-WELDING & QUALITY

On Sat, Mar 19, 2016 at 2:58 PM, George V Aliyattukudy <vijigeorge@dugas.ae> wrote:

Dear Pratish

I am considering the situation you have is on piping weld joint ( it's not mentioned in your query). An hydrostatic leak test is only substituted with a service leak test when it is not practical to carry out one, the conditions for which are detailed in ASME B 31.3 para 354 Testing.   RT is not a substitute for a hydrostatic leak test.

 

George V Aliyattukudy

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of tdky167
Sent: Saturday, March 19, 2016 9:26 AM
To: pkkanishk2006@gmail.com; materials-welding@googlegroups.com
Subject: Re:[MW:24549] Is Sensitive leakt test / Pneumatic Test can be considered as Substitute.

 

Dear Prakash ,

 

RT is applicable if its a Golden joint .  Hydrotest / pneumatic is done to check the integrity of the whole line.( welds and material ) . There are services which has 100%RT and pneumatic test as well . So I don't think RT is a option.

 

 

 

Sent from my Mi phone

On pkkanishk2006@gmail.com, Mar 19, 2016 12:33 PM wrote:

 

Dear Members ,

 

Please clarify that whether in any circumstances we could substitute RT with pressure / any leak test for services where RT is been included as a inspection method.

 

 

Regards

Pratish

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Re: [MW:24598] Welding of LTCS A330 (60KSI) to FLG. A350 (70ksi)

If P-No is the same yes. If impact code is a requirement then group no must be the same also

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From: Osama Ahmed Sent: Δευτέρα, 21 Μαρτίου 2016 - 04:28 To: Materials & Welding Reply To: materials-welding@googlegroups.com Subject: [MW:24561] Welding of LTCS A330 (60KSI) to FLG. A350 (70ksi)

Dear Expert,

Is A330 pipe to pipe (60 ksi) covering welding of A330 pipe(60 ksi) to FLG. A350 (70ksi)?

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Re: [MW:24598] Distance between two L-Seam

ASME Code has a restrictions for staggering. You may use this one

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From: Ritixa Tandel Sent: Δευτέρα, 21 Μαρτίου 2016 - 12:27 To: Materials & Welding Reply To: materials-welding@googlegroups.com Subject: Re: [MW:24562] Distance between two L-Seam

HELLO,

I AM STUDYING & REFERRING ABOUT DESIGN OF EQUIPMENT. 

CONTINUE TO YOUR DISCUSSION ABOUT ''DISTANCE BETWEEN TWO L-SEAM''........

WHAT SHOULD BE THE MINIMUM DISTANCE IF MY REACTOR IS LIKE THIS:

--SS 316 L REACTOR (3 KL WORKING CAPACITY)

--SHELL: 1500 MM ID x 1700 MM LG x 8 MM THK

--REACTOR WITH DOUBLE LIMPET COIL.

REGARDS RITIXA.

ANKLESHWAR, GUJARAT. INDIA.

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Re: [MW:24598] GTAW weld weaving

As per Section IX, Weld Weaving is non essential variable for GTAW process. 

As such it is based on your WPS  which was qualified and recorded . If your job is having , Notch Toughness requirement, then dont go for more weaving which will reduce toughness properties. Go with multi layers .

Thanks

On Thu, Mar 31, 2016 at 3:29 PM, simon lawrence <simonlawrence08@gmail.com> wrote:

Pls confirm that Weld weaving width ,  weld weave maximum how much we can accepted in GTAW process ?

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RE: [MW:24597] GTAW weld weaving

You won't find a specific para for weave width, other than ASME section 9, relating to your WPS that has been qualified.  Maximum weave width shall be as stated in your WPS (welding procedure). 

I believe this will be true for other Standards.

 

Best Regards,

 

 

Jim Price | Welding Engineer, CWI

Direct:  320.7463439 | Fax: 417-862-5564

jimprice@polarcorp.com

 

 

 

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of simon lawrence
Sent: Thursday, March 31, 2016 5:00 AM
To: Materials & Welding
Subject: [MW:24595] GTAW weld weaving

 

Pls confirm that Weld weaving width ,  weld weave maximum how much we can accepted in GTAW process ?

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[MW:24595] Re: PWHT of Dished ends

Dear Ravi Shankar,

  If we talk as per code requirement than in sec-VIII Div -1 it is mentioned that if the fiber elongation of formed head if greater than 5% then SR is required & generally below 14mm thk plate fiber elongation comes below 5%.

And if left code than it is client requirement.

Thanks & Regards

Amit Mavi.

Sr. Engineer QA/QA & Welding Technologist

Multimax Engineering Works (P) Ltd.

A6 Industrial Estate Partapur Meerut (U.P)

+91-95481444161

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[MW:24595] GTAW weld weaving

Pls confirm that Weld weaving width ,  weld weave maximum how much we can accepted in GTAW process ?

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Re: [MW:24593] Acceptance tolerance as per ASME B31.3

Plumbness / Straightness is not written on the 31.3 as well as PFI Standard. As per my concern, Code is silent regarding this matter.

On Wed, Mar 30, 2016 at 3:04 PM, 'Sangram' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear Arun,

During line checking with Pid he rejected most of package due to out of plumbness, straight ness & out of level . I try to find out the acceptance criteria in B31.3 but j did not get any details .

Can you provide me the detail reference documents if you have.

Regards

Sangram 

Sent from my iPhone

On Mar 29, 2016, at 2:32 PM, 'Arun Das' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Hi,

For piping the linear tolerances are to be verified and normally PFI ES-3 will be the reference document other than the requirements on the specification.

If you can explain your problem more clearly may be able to assist you.

regards,

 

Arun S Das

On Tuesday, 29 March 2016 7:23 AM, 'Sangram' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear experts

Can some one tell me tolerance for plumbness,straightness & level as per ASME B31.3


Regards
Sangram

Sent from my iPhone

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Re: [MW:24593] Acceptance tolerance as per ASME B31.3

Hi

If you are working with aramco then refer saes-L-350 so you can get all the tolerance .

Regards

A p gupta

Saudi

Sent from Samsung Mobile

-------- Original message --------
From: 'Sangram' via Materials & Welding
Date:30/03/2016 3:34 PM (GMT+05:30)
To: materials-welding@googlegroups.com
Subject: Re: [MW:24590] Acceptance tolerance as per ASME B31.3

Dear Arun,

During line checking with Pid he rejected most of package due to out of plumbness, straight ness & out of level . I try to find out the acceptance criteria in B31.3 but j did not get any details .

Can you provide me the detail reference documents if you have.

Regards

Sangram 

Sent from my iPhone

On Mar 29, 2016, at 2:32 PM, 'Arun Das' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Hi,

For piping the linear tolerances are to be verified and normally PFI ES-3 will be the reference document other than the requirements on the specification.

If you can explain your problem more clearly may be able to assist you.

regards,

 

Arun S Das

On Tuesday, 29 March 2016 7:23 AM, 'Sangram' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear experts

Can some one tell me tolerance for plumbness,straightness & level as per ASME B31.3


Regards
Sangram

Sent from my iPhone

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Re: [MW:24590] PRESSURE TESTING OF CONTROL VALVES

API 598

On 3/30/16, JIJILAL K M <jijilalkm2@gmail.com> wrote:
> Dear Experts,
>
>
> I've a concern regarding , valves.
>
> our client is insisting to submit individual pressure test certificates of
> control valves , for 6" & above lines.
>
> but the valve supplier's provided certificate showing,it is for 60
> valves of same kind.
>
> Is each valve no need to pressure tested at manufacturer's premise before
> delivery? which code / std refers individual/random pressure test
> criteria of valves?
>
>
> *JIJILAL **K.M. *
>
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*G.BalasubramanianSUZLON ENERGY LIMITED*
*Trichy*

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Re: [MW:24590] Acceptance tolerance as per ASME B31.3

Dear Arun,

During line checking with Pid he rejected most of package due to out of plumbness, straight ness & out of level . I try to find out the acceptance criteria in B31.3 but j did not get any details .

Can you provide me the detail reference documents if you have.

Regards

Sangram 

Sent from my iPhone

On Mar 29, 2016, at 2:32 PM, 'Arun Das' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Hi,

For piping the linear tolerances are to be verified and normally PFI ES-3 will be the reference document other than the requirements on the specification.

If you can explain your problem more clearly may be able to assist you.

regards,

 

Arun S Das

On Tuesday, 29 March 2016 7:23 AM, 'Sangram' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear experts

Can some one tell me tolerance for plumbness,straightness & level as per ASME B31.3


Regards
Sangram

Sent from my iPhone

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Re: [MW:24590] PRESSURE TESTING OF CONTROL VALVES

Hi,

As per my understanding normally they do pressure testing for each valve and may be the for the printing sake they prepared one report as all the conditions are same.

Please verify with the valve manufacturer for the conclusion.

Regards,

 

Arun S Das

On Wednesday, 30 March 2016 11:46 AM, JIJILAL K M <jijilalkm2@gmail.com> wrote:

Dear Experts,

I've a concern regarding , valves.

our client is insisting to submit individual pressure test  certificates of control valves , for 6" & above lines. 

but the valve supplier's provided  certificate showing,it  is for 60  valves of same kind.

Is each valve  no need to pressure tested at manufacturer's premise before delivery? which code / std  refers individual/random  pressure test criteria  of valves?

JIJILAL K.M. 

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[MW:24589] PRESSURE TESTING OF CONTROL VALVES

Dear Experts,

I've a concern regarding , valves.

our client is insisting to submit individual pressure test  certificates of control valves , for 6" & above lines. 

but the valve supplier's provided  certificate showing,it  is for 60  valves of same kind.

Is each valve  no need to pressure tested at manufacturer's premise before delivery? which code / std  refers individual/random  pressure test criteria  of valves?

JIJILAL K.M. 

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Re: [MW:24588] Acceptance tolerance as per ASME B31.3

Hi,

For piping the linear tolerances are to be verified and normally PFI ES-3 will be the reference document other than the requirements on the specification.

If you can explain your problem more clearly may be able to assist you.

regards,

 

Arun S Das

On Tuesday, 29 March 2016 7:23 AM, 'Sangram' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear experts

Can some one tell me tolerance for plumbness,straightness & level as per ASME B31.3


Regards
Sangram

Sent from my iPhone

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Re: [MW:24587] Combine WPS in one CJP

Hi,

Essential variable clause for this case is..

Clause 3.11.1 says that

 " Groove preparations detailed for prequalified SMAW joints maybe used for prequalified GMAW or FCAW " 

I think that combination is acceptable.

Regards,

Arun

Sent from Yahoo Mail for iPhone

On Tuesday, March 29, 2016, 7:08 AM, Lalu Rajendran <lalucpt@gmail.com> wrote:

Hi,

Yes you can.

AWS D1.1 Section 3.6.1 Combination of WPSs - A combination of qualified and prequalified WPSs may be used without qualification of the combination, provided the limitation of essential variables applicable to each process is observed.

regards,

LALU

On Mon, Mar 28, 2016 at 2:37 AM, vu duc thuan <dthuan117@gmail.com> wrote:

Dear expert,

Contractor have been qualified 02 WPS  for SMAW process and FCAW process independent welding process. The FCAW process is using the for the CJP  of structure part with only FCAW process and then they brought the SMAW process to Weld on the FCAW process Which have been welded, is this possible to use FCAW process and then SMAW process Without qualifying to combine 02 welding process together.

Code apply: AWS D1.1.

Please advise

 

Best Regards,

 

Thuan

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[MW:24586] Acceptance tolerance as per ASME B31.3

Dear experts

Can some one tell me tolerance for plumbness,straightness & level as per ASME B31.3


Regards
Sangram

Sent from my iPhone

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Re: [MW:24585] Combine WPS in one CJP

Hi,

Yes you can.

AWS D1.1 Section 3.6.1 Combination of WPSs - A combination of qualified and prequalified WPSs may be used without qualification of the combination, provided the limitation of essential variables applicable to each process is observed.

regards,

LALU

On Mon, Mar 28, 2016 at 2:37 AM, vu duc thuan <dthuan117@gmail.com> wrote:

Dear expert,

Contractor have been qualified 02 WPS  for SMAW process and FCAW process independent welding process. The FCAW process is using the for the CJP  of structure part with only FCAW process and then they brought the SMAW process to Weld on the FCAW process Which have been welded, is this possible to use FCAW process and then SMAW process Without qualifying to combine 02 welding process together.

Code apply: AWS D1.1.

Please advise

 

Best Regards,

 

Thuan

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[MW:24583] STB35 EQUIVALENT IN INDIAN STANDARDS.

Dear Sir,

What would be Indian standard equivalent to STB35. EC. We are looking for the aluminised tubes in STB35 EC / equivalent material.

Thanks in advance.

Amrit Pal Singh

Industrial Products,

aabheattransfer@gmail.com

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[MW:24583] Combine WPS in one CJP

Dear expert,

Contractor have been qualified 02 WPS  for SMAW process and FCAW process independent welding process. The FCAW process is using the for the CJP  of structure part with only FCAW process and then they brought the SMAW process to Weld on the FCAW process Which have been welded, is this possible to use FCAW process and then SMAW process Without qualifying to combine 02 welding process together.

Code apply: AWS D1.1.

Please advise

 

Best Regards,

 

Thuan

Re: [MW:24580] Preheating and PWHT for B31.3 CS mtls

As per b31. 3 latest no need of pwht for p no :1 I.e cs

On Mar 27, 2016 9:32 AM, "Binoy Lonappan" <binoypl3@gmail.com> wrote:

I have checked this but for PWHT the minimum thickness is not given.

BINOY L
QC Engineer-Mechanical
   

On 24 Mar 2016 7:08 pm, "Lalu Rajendran" <lalucpt@gmail.com> wrote:

Hi,

As per ASME B31.3 Edition2014, there is the exception for PWHT for P1 Carbon steel materials. Please see the below extract.

regards,

LALU

On Wed, Mar 23, 2016 at 8:11 AM, Binoy Lonappan <binoypl3@gmail.com> wrote:

Whats the thickness shall be done with PWHT CS material as per B31.3 latest edition .
Here the joint is  branch weld of high thickness weldolet with low thickness pipe.

BINOY L
QC
   

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