Materials & Welding: October 2022

Monday, October 31, 2022

[MW:33646] Cored Wire Selection ( FCAW)

Dear Experts,

Could you please suggest suitable FCAW welding electrode for the below specifications,

MOC : SA 516 Gr.70 + N , 70 mm Thickness

PWHT : 610 ° C x 300 minutes minimum

Impact Test after HT @ -29° C, 32 J for 1 specimen, 48 J Avg. for 3 specimens.

Thank You & Regards

Williams P Wilson

+968-94600828

QA/QC Engineer

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Sunday, October 30, 2022

Re: [MW:33643] RT joint with painting

How we can prove it , There is any documents that's says about with painting can perform RT for Weld Joint, When we propose to client we have to submit some supporting documents

If you have any supporting documents , Please share with me

On Friday, October 21, 2022 at 8:55:40 AM UTC+3 Babur Khan wrote:

Greetings,
Yes you can do RT with Paint.
Coating or painting can hide only visual defects.
Buried defects can be detected with RT.

Muhammad Babur Khan

Sent from my iPhone

On 21 Oct 2022, at 6:13 AM, sanks...@gmail.com <sanks...@gmail.com> wrote:

Gents,
i have query , We can do RT for weld Joint with painting , Its allowed , In our site they did RT with painted joint with out client approval
They will be problem that may hide weld defect , painting DFT 300 to 400 micron
If allowed do RT with Painting , Please share some supporting documents

Thanks for your support
Best regards
Sankar.k

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Saturday, October 29, 2022

[MW:33643] FILLER WIRE FOR HASTELLOY

Dear expert

What is the filler wire for below mentioned mention Material

1. FILLER WIRE FOR HASTELLOY B TO HASTELLOY B BASE MATERIAL WELDING

2.FILLER WIRE FOR DUPLEX TO DUPLEX BASE MATERIAL WELDING

3. FILLER WIRE FOR ENCONEL 602 TO SS 316 BASE MATERIAL WELDING

Best regards

Sujit kumar

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Re: [MW:33642] Re: PWHT requirement _ASME B31.8

Material

Pipe : API 5L X60

Hub : A694 Gr.F60

On Sat, Oct 29, 2022 at 12:04 PM Mohd Siraj <mohd52100@gmail.com> wrote:

whats material?

On Tuesday, October 25, 2022 at 6:51:03 AM UTC+3 manikandan J wrote:
Dear Experts,

We have a Weld joint between Pipe to Hub as per sketch.

Run Pipe Thickness : 25.4 + 3 mm Cladding
Hub Thickness : 31.8 + 3 mm Cladding
Job Type : Weld joint in Piping
Code : ASME B31.8-2020 Edn

Question 1 : For PWHT whether we need to consider Run pipe Thickness or Hub Thickness?.

Question 2 : If Run Pipe is considered for PWHT whether it includes Cladding Thk also?

Question 2 : If Hub is considered for PWHT whether it includes Cladding Thk also ?

Need your Views on this.

Regards,
Manikandan

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[MW:33643] ER-70S-2 and ER70S-6

Respected Member of this Group ,

As per approved wps ER70S-2 required to use .

Any code restrictions to use ER70S-6 instead of ER-70S-2 ?

Any code restriction and reference to change the WPS ?

Waiting for your valuable comments .

Regards,

Zafar

00966544639978

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[MW:33641] Re: Higher strength grade for E7018-1

70 ksi yeild strength.

On Thursday, September 29, 2022 at 8:49:38 AM UTC+3 Ritesh Kumar Singh wrote:

Dear expert's,

Kindly explain about higher strength/TS/YS of E7018-1.

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[MW:33639] Re: PWHT requirement _ASME B31.8

whats material?

On Tuesday, October 25, 2022 at 6:51:03 AM UTC+3 manikandan J wrote:

Dear Experts,

We have a Weld joint between Pipe to Hub as per sketch.

Run Pipe Thickness : 25.4 + 3 mm Cladding
Hub Thickness : 31.8 + 3 mm Cladding
Job Type : Weld joint in Piping
Code : ASME B31.8-2020 Edn

Question 1 : For PWHT whether we need to consider Run pipe Thickness or Hub Thickness?.

Question 2 : If Run Pipe is considered for PWHT whether it includes Cladding Thk also?

Question 2 : If Hub is considered for PWHT whether it includes Cladding Thk also ?

Need your Views on this.

Regards,
Manikandan

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[MW:33639] Re: Request For CSWIP 3.1 Old Question

fyi

On Saturday, October 29, 2022 at 7:17:48 AM UTC+3 chitko khaing wrote:

Dear all,
I am chit Ko form Myanmar , I would like to request CSWIP 3.1 old question and answer.

If any available please provide.

Best regards
Chit Ko khaing

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Re: [MW:33638] PTC Results vs Orientation of Impact Test Specimens

longitudinal rolling direction will give better results.

On Wed, Oct 26, 2022, 8:59 AM williams p wilson <williamswilsonp@gmail.com> wrote:

Dear Experts,

Please advise, which orientation (Longitudinal or Transverse) impact tested plates will give the better PTC values later.Is there is any relation b/w PTC results and Orientation of Impact Test Specimens. This will guide me to select the suitable MTC for our project.

Thank You & Regards
Williams P Wilson
+968-94600828
QA/QC Engineer
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Re: [MW:33637] Auto Tig for SS 310 with Ar+H2 gas

adding 2%H2 may give heat input more and clean weld but it may lead to undercutting, it is better go with Argon +Helium mixture.

On Wed, Oct 26, 2022, 9:26 AM Nimesh Chinoy <nchinoy@gmail.com> wrote:

Hrishikesh we can use Ar 98% and 2%H2 with Filler wire. We use it for SigmaWeld Accelerated Tig, Square Butt Single Pass for SS310, with Filler.

Please connect will be able to help with some parameters...

We have used similar combination for capping passes as well. Tungsten angle will also play an important role

On Fri, 21 Oct 2022, 08:42 Hrushikesh Sangamnerkar, <hrushi612@gmail.com> wrote:
Dear experts,

Query is can we weld Auto Tig (with Filler) for gas combination of Ar+Hydrogen? Pl provide technical literature to support the question,if available at your end.

Currently facing an issue of LOP with Argon gas only..

Regards,

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[MW:33636] Request For CSWIP 3.1 Old Question

Dear all,

I am chit Ko form Myanmar , I would like to request CSWIP 3.1 old question and answer.

If any available please provide.

Best regards

Chit Ko khaing

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Thursday, October 27, 2022

Re: [MW:33635] Missing Material Certificate of Existing Line

Share your Location and members of this group may support you.

On Thursday, 27 October, 2022 at 09:30:32 am GMT+4, Ilkin Hasanov <ilkinhasanov.91@gmail.com> wrote:

Thanks Mr.Gerald,

Do you known labs which is performing tests with respective methods?

On Wed, 26 Oct 2022 at 10:13 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:

First identify and check with the Lab how much grams of Fillings (using manual File on Pipe external surface) are required and sometimes even Lab will come and collect the Fillings. What is your Pipe Thickness and obtain operator permission to remove 0.5mm or 1mm from the live line surface to collect fillings. Normally spectroscopy involves an arc and not advisable on live line and X-Ray Fluoroscopy may be permitted but you cannot determine carbon content and the only viable option is to collect fillings.

Thanks & Regards
J.Gerald Jayakumar

On Wednesday, 26 October, 2022 at 09:18:54 am GMT+4, Ilkin Hasanov <ilkinhasanov.91@gmail.com> wrote:

Mr Gerald,
During shut down (welding our TEEs to live line) we will have time only for welding.
So, I have to have a proper qualified WPS on my hands prior to shut down.
Operator of live lines is not able to provide certificates and live line's were manufactured according to GOST standard (Even not to API or ASME).

Regards
Ilkin HASANOV

On Wed, 26 Oct 2022 at 08:55 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
I believe from your mail that you are not going for Hot Tapping that means the Line has to be shut down for welding with TEE.

I suppose you have to plan during shut down all these activities.

Also check with the operator incharge whether any filling (use File) from external surface of the Live line possible without reducing much thickness
Thanks & Regards
J.Gerald Jayakumar

On Wednesday, 26 October, 2022 at 08:38:36 am GMT+4, Ilkin Hasanov <ilkinhasanov.91@gmail.com> wrote:

Mr Gerald,
Problem is that, line is live an now we can to go for shut down and taking a test coupons/samples is not possible.

Regards,
Ilkin Hasanov

On Wed, 26 Oct 2022 at 07:29 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
To find the exact chemical composition of existing line, perform volumetric analysis (lab test) from the Fillings collected from existing line. (check with Chemical testing lab the exact grams needed).
Thanks & Regards
J.Gerald Jayakumar
On Tuesday, 25 October, 2022 at 07:51:08 am GMT+4, ilkinhasanov <ilkinhasanov.91@gmail.com> wrote:

there will not be hot tapping - there will be installed "TEE" and new line will connect with existing through the "TEE"

пятница, 21 октября 2022 г. в 12:12:33 UTC+4, perumal govindan:
Hi
Are you going to do hot tapping on the existing pipeline?

Refer previously used materials documents from Client or refer the data sheet / material requirements of FEED.

And consult the Operation and Maintenance team of Client. As a QA QC do not have authorization to change or replace any materials.

Regards
Govindan Perumal

On Fri, Oct 21, 2022, 11:36 ilkinhasanov <ilkinha...@gmail.com> wrote:
Dear All,

We have to weld our new fabricated pipeline to existing live line. (welding code is 1104).

Unfortunately, we do not have a certificates of existing line. and it is not possible to perform shutdown to take a test coupons and perform chemical analysis and mechanical tests to identify grade of materials.

All knows that, existing line's material is Carbon steel but exact Yield and tensile Strength and Chemical prosperities are unknown. (our new fabricated pipeline is also Carbon steel.

Could you please advise me what can we do in this condition?

Regards,
Ilkin HASANOV

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Re: [MW:33633] Missing Material Certificate of Existing Line

Dear Hasanov,

Spark direct reading spectrum (OES) & Inductively coupled plasma emission spectrometry (ICP-OES)-ASTM E 415.

The above two methods will serve your purpose.

Thanks,

Kind Regards,

G.Gughan

On Thu, Oct 27, 2022 at 8:30 AM Ilkin Hasanov <ilkinhasanov.91@gmail.com> wrote:

Thanks Mr.Gerald,
Do you known labs which is performing tests with respective methods?

On Wed, 26 Oct 2022 at 10:13 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
First identify and check with the Lab how much grams of Fillings (using manual File on Pipe external surface) are required and sometimes even Lab will come and collect the Fillings. What is your Pipe Thickness and obtain operator permission to remove 0.5mm or 1mm from the live line surface to collect fillings. Normally spectroscopy involves an arc and not advisable on live line and X-Ray Fluoroscopy may be permitted but you cannot determine carbon content and the only viable option is to collect fillings.

Thanks & Regards
J.Gerald Jayakumar

On Wednesday, 26 October, 2022 at 09:18:54 am GMT+4, Ilkin Hasanov <ilkinhasanov.91@gmail.com> wrote:

Mr Gerald,
During shut down (welding our TEEs to live line) we will have time only for welding.
So, I have to have a proper qualified WPS on my hands prior to shut down.
Operator of live lines is not able to provide certificates and live line's were manufactured according to GOST standard (Even not to API or ASME).

Regards
Ilkin HASANOV

On Wed, 26 Oct 2022 at 08:55 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
I believe from your mail that you are not going for Hot Tapping that means the Line has to be shut down for welding with TEE.

I suppose you have to plan during shut down all these activities.

Also check with the operator incharge whether any filling (use File) from external surface of the Live line possible without reducing much thickness
Thanks & Regards
J.Gerald Jayakumar

On Wednesday, 26 October, 2022 at 08:38:36 am GMT+4, Ilkin Hasanov <ilkinhasanov.91@gmail.com> wrote:

Mr Gerald,
Problem is that, line is live an now we can to go for shut down and taking a test coupons/samples is not possible.

Regards,
Ilkin Hasanov

On Wed, 26 Oct 2022 at 07:29 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
To find the exact chemical composition of existing line, perform volumetric analysis (lab test) from the Fillings collected from existing line. (check with Chemical testing lab the exact grams needed).
Thanks & Regards
J.Gerald Jayakumar
On Tuesday, 25 October, 2022 at 07:51:08 am GMT+4, ilkinhasanov <ilkinhasanov.91@gmail.com> wrote:

there will not be hot tapping - there will be installed "TEE" and new line will connect with existing through the "TEE"

пятница, 21 октября 2022 г. в 12:12:33 UTC+4, perumal govindan:
Hi
Are you going to do hot tapping on the existing pipeline?

Refer previously used materials documents from Client or refer the data sheet / material requirements of FEED.

And consult the Operation and Maintenance team of Client. As a QA QC do not have authorization to change or replace any materials.

Regards
Govindan Perumal

On Fri, Oct 21, 2022, 11:36 ilkinhasanov <ilkinha...@gmail.com> wrote:
Dear All,

We have to weld our new fabricated pipeline to existing live line. (welding code is 1104).

Unfortunately, we do not have a certificates of existing line. and it is not possible to perform shutdown to take a test coupons and perform chemical analysis and mechanical tests to identify grade of materials.

All knows that, existing line's material is Carbon steel but exact Yield and tensile Strength and Chemical prosperities are unknown. (our new fabricated pipeline is also Carbon steel.

Could you please advise me what can we do in this condition?

Regards,
Ilkin HASANOV

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Wednesday, October 26, 2022

Re: [MW:33631] welding Electrode for API 5CT L80 P110 Q125

Dear All,

Please suggest electrode for welding API 5CT pipe subject captioned Grades

If any wps is available please provide

Thanks & Regards

Hussain

On Tue, 25 Oct 2022, 8:51 am Hrushikesh Sangamnerkar, <hrushi612@gmail.com> wrote:

Thanks for the input.

Can you share the technical backup with the specific grade of SS..

On Fri, 21 Oct 2022, 14:51 'james gerald' via Materials & Welding, <materials-welding@googlegroups.com> wrote:
Use the below chart.

Thanks & Regards
J.Gerald Jayakumar

On Friday, 21 October, 2022 at 07:12:48 am GMT+4, Hrushikesh Sangamnerkar <hrushi612@gmail.com> wrote:

Dear experts,

Query is can we weld Auto Tig (with Filler) for gas combination of Ar+Hydrogen? Pl provide technical literature to support the question,if available at your end.

Currently facing an issue of LOP with Argon gas only..

Regards,

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Re: [MW:33631] Missing Material Certificate of Existing Line