Re: [MW:32794] Impact test PQR thickness criteria as per QW 403.6

only for base metal

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,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Thu, Jan 27, 2022 at 11:33 AM rahul ugale <rahulugale23@gmail.com> wrote:

Dear all ,

Please comment.

QW-403.6 The minimum base metal thickness qualified

For a WPS where impact test is applicable. As per QW-403.6 The minimum base metal thickness qualified is the thickness of the test coupon T or 16mm whichever less and if T less than 6mm, then 1/2T.

In the scenario, while filling the Weld Deposit range qualification in WPS, How we can enter the data. We can apply for the combination of both processes weld deposit thickness. But how to enter for individual process qualified range.

Ex: 1 ) Base Material Thickness – 53 mm  GTAW (13mm),SMAW(20 mm) & SAW (20 mm) , So PQR Range is 16 mm – 200 mm, what will be the individual ranges for each process considering QW 403.6

Ex: 2 ) Base Material Thickness – 20 mm GTAW (8 mm) & SMAW (12 mm) So PQR Range is 16 mm – 40 mm, what will be the individual ranges for each process considering QW 403.6

Regard,

Rahul

On Tue, Jan 25, 2022, 11:55 AM Yunsok Bang <stevebang87@gmail.com> wrote:

Hello. I am one of the welding quality managers who cooperate with representative semiconductor companies. Our customer has their own acceptance criterion that refer some international code such as ASME Section IX, BPE, 31.3, SEMI F81 etc. Recently, one of the related codes was questioned. It refers about the "Light Straw Color" in SEMI F81 regarding to the acceptance criteria of automatic welding surface color. We are using M200 automatic welding machine. There is no included any picture and details of it. Therefore, I wasn't able to find any exact standard of it. How could I verify that criteria. It's surface standard. It's not about the back bead which has certain criterion like AWS D18.2 or ASME BPE.

I would like to get some advices related to this from your various experiences.

Thank you.

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Re: [MW:32793] Impact test PQR thickness criteria as per QW 403.6

Hi,

There are two scenarios which are described below .

1. Base metal Qualification 

For Base metal Qualification as you attached snap & QW : 451 you get Range of base metal  thickness qualified.

2. Weld metal Qualification

Please refer QW -451 where code mentioned max. Weld metal qualified on your each process.Please refer attached snap for your reference.

I hope your doubts are clear now.

On Thu, Jan 27, 2022 at 11:33 AM rahul ugale <rahulugale23@gmail.com> wrote:

Dear all ,

Please comment.

QW-403.6 The minimum base metal thickness qualified

For a WPS where impact test is applicable. As per QW-403.6 The minimum base metal thickness qualified is the thickness of the test coupon T or 16mm whichever less and if T less than 6mm, then 1/2T.

In the scenario, while filling the Weld Deposit range qualification in WPS, How we can enter the data. We can apply for the combination of both processes weld deposit thickness. But how to enter for individual process qualified range.

Ex: 1 ) Base Material Thickness – 53 mm  GTAW (13mm),SMAW(20 mm) & SAW (20 mm) , So PQR Range is 16 mm – 200 mm, what will be the individual ranges for each process considering QW 403.6

Ex: 2 ) Base Material Thickness – 20 mm GTAW (8 mm) & SMAW (12 mm) So PQR Range is 16 mm – 40 mm, what will be the individual ranges for each process considering QW 403.6

Regard,

Rahul

On Tue, Jan 25, 2022, 11:55 AM Yunsok Bang <stevebang87@gmail.com> wrote:

Hello. I am one of the welding quality managers who cooperate with representative semiconductor companies. Our customer has their own acceptance criterion that refer some international code such as ASME Section IX, BPE, 31.3, SEMI F81 etc. Recently, one of the related codes was questioned. It refers about the "Light Straw Color" in SEMI F81 regarding to the acceptance criteria of automatic welding surface color. We are using M200 automatic welding machine. There is no included any picture and details of it. Therefore, I wasn't able to find any exact standard of it. How could I verify that criteria. It's surface standard. It's not about the back bead which has certain criterion like AWS D18.2 or ASME BPE.

I would like to get some advices related to this from your various experiences.

Thank you.

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Thanks for your best support.

Regards,

Jenish Mistry

09033476117

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[MW:32791] Shell nozzles, Manway PWHT exemption as per API 650

Dears,

Is there any exemption for shell Nozzle and shell manways greater than 2" diameter (as a prefabricated assembly ) from PWHT. 

MOC : Group V material as per API 650 (ASTM A 516 Gr 70 N)

Any clause interpretation with API 650 13th edition is highly appreciated.

Regards

Vinoth kanna

Welding Engineer I GPS Oman

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[MW:32792] Impact test PQR thickness criteria as per QW 403.6

Dear all ,

Please comment.

QW-403.6 The minimum base metal thickness qualified

For a WPS where impact test is applicable. As per QW-403.6 The minimum base metal thickness qualified is the thickness of the test coupon T or 16mm whichever less and if T less than 6mm, then 1/2T.

In the scenario, while filling the Weld Deposit range qualification in WPS, How we can enter the data. We can apply for the combination of both processes weld deposit thickness. But how to enter for individual process qualified range.

Ex: 1 ) Base Material Thickness – 53 mm  GTAW (13mm),SMAW(20 mm) & SAW (20 mm) , So PQR Range is 16 mm – 200 mm, what will be the individual ranges for each process considering QW 403.6

Ex: 2 ) Base Material Thickness – 20 mm GTAW (8 mm) & SMAW (12 mm) So PQR Range is 16 mm – 40 mm, what will be the individual ranges for each process considering QW 403.6

Regard,

Rahul

On Tue, Jan 25, 2022, 11:55 AM Yunsok Bang <stevebang87@gmail.com> wrote:

Hello. I am one of the welding quality managers who cooperate with representative semiconductor companies. Our customer has their own acceptance criterion that refer some international code such as ASME Section IX, BPE, 31.3, SEMI F81 etc. Recently, one of the related codes was questioned. It refers about the "Light Straw Color" in SEMI F81 regarding to the acceptance criteria of automatic welding surface color. We are using M200 automatic welding machine. There is no included any picture and details of it. Therefore, I wasn't able to find any exact standard of it. How could I verify that criteria. It's surface standard. It's not about the back bead which has certain criterion like AWS D18.2 or ASME BPE.

I would like to get some advices related to this from your various experiences.

Thank you.

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[MW:32790] "Light Straw Color"

Hello. I am one of the welding quality managers who cooperate with representative semiconductor companies. Our customer has their own acceptance criterion that refer some international code such as ASME Section IX, BPE, 31.3, SEMI F81 etc. Recently, one of the related codes was questioned. It refers about the "Light Straw Color" in SEMI F81 regarding to the acceptance criteria of automatic welding surface color. We are using M200 automatic welding machine. There is no included any picture and details of it. Therefore, I wasn't able to find any exact standard of it. How could I verify that criteria. It's surface standard. It's not about the back bead which has certain criterion like AWS D18.2 or ASME BPE.

I would like to get some advices related to this from your various experiences.

Thank you.

--
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Re: [MW:32789] Iridium-192 Radiography

Hello Guys,

Below image extracted from cswip 3.1 book, for your reference:

Regards,

Syed Gohar Abbas Zaidi

On Tue, Jan 25, 2022 at 8:27 AM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:

I suppose BARC regulation is mostly related to Radiation Safety & ASME code for the technique & procedures. Some Client specification covers this requirement or you need to get it from Radiography company or source supplier.

Please check the below Link for some details.

Radiography - TWI (twi-global.com)

Thanks & Regards

J.Gerald Jayakumar

On Tuesday, 25 January, 2022, 08:51:25 am GMT+4, Jenish Mistry <jenishmistry1992@gmail.com> wrote:

Hi Rishikesh,

Can you please share a snap for where it is mentioned in ASME or BARC for my reference.

if possible can you please share BARC regutary  for Radiography Source for my reference ????

On Mon, Jan 24, 2022 at 3:17 PM rishikesh shahi <rishikeshshahi@gmail.com> wrote:

60mm with IR192... There after we have to carry out the RT by Cobalt 60.....

Regards..

Rishikesh Shahi

HOD QA/QC 

M/S FABTECH ENGINEERING PVT. LTD. NAGPUR, MAHARASHTRA 

On Mon, 24 Jan 2022, 3:06 pm Manish Kumar, <mkmkr431@gmail.com> wrote:

Dear Sir,

As per which, ASME clause or BARC regulatory, How much thickness of radiography can be carried out from Iridium 192 source. 

--

Regards

Manish Kumar

Inspection(Mechanical) Engineer

PDIL-HURL Barauni site

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Regard's:

Syed Gohar Abbas Zaidi

Cell No.: 0092-324-1407544

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Re: [MW:32782] Corrosion Resistant Overlay over Carbon steel Preheat Requirements

what is Carbon steel thickness?

On Mon, 24 Jan 2022, 15:06 Vinoth kanna ramachandran, <srvkanna1@gmail.com> wrote:

Dear Welding Experts,

Preheat to be maintained or not for overlay of filler metal E309L-17 over carbon steel.

Any ASME clause referring to that, is highly appreciated.

Regards

Vinoth kanna

Gulf petrochemical Services I Oman

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Re: [MW:32781] Iridium-192 Radiography

60mm with IR192... There after we have to carry out the RT by Cobalt 60.....

Regards..

Rishikesh Shahi

HOD QA/QC 

M/S FABTECH ENGINEERING PVT. LTD. NAGPUR, MAHARASHTRA 

On Mon, 24 Jan 2022, 3:06 pm Manish Kumar, <mkmkr431@gmail.com> wrote:

Dear Sir,

As per which, ASME clause or BARC regulatory, How much thickness of radiography can be carried out from Iridium 192 source. 

--

Regards

Manish Kumar

Inspection(Mechanical) Engineer

PDIL-HURL Barauni site

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[MW:32778] Iridium-192 Radiography

Dear Sir,

As per which, ASME clause or BARC regulatory, How much thickness of radiography can be carried out from Iridium 192 source. 

--

Regards

Manish Kumar

Inspection(Mechanical) Engineer

PDIL-HURL Barauni site

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[MW:32778] Corrosion Resistant Overlay over Carbon steel Preheat Requirements

Dear Welding Experts,

Preheat to be maintained or not for overlay of filler metal E309L-17 over carbon steel.

Any ASME clause referring to that, is highly appreciated.

Regards

Vinoth kanna

Gulf petrochemical Services I Oman

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Re: [MW:32774] PWHT and Hydrotest

Dear sahil ,

As per ASME UW -42 (Surface weld build up) , 

1. You should have qualified procedure for Butt Joint.

2. If you performed Buttering than you should go for NDT (Either MPT or LPE Test) on buttering area .

For Hydro Test ,

As per UG - 99 ,Hydro Test shall be performed after completion of all the fabrication work & NDT work .

You again need to perform Hydro Test to comply code requirement.

For PWHT ,

Please provide Material Grade for further detail.  

On Thu, Jan 20, 2022 at 10:09 AM Shahil Saini <sainishahil98@gmail.com> wrote:

yes jenish, i am talking about buttering, 

Below attached figure will clear my question to you.

On Thu, Jan 20, 2022 at 9:27 AM Jenish Mistry <jenishmistry1992@gmail.com> wrote:

Dear sahil,

Good Morning.

Please give more details about your question. 

If i am not wrong than have you done buttering on 32 Thk Plate ???

On Thu, Jan 20, 2022 at 8:45 AM Vinay Thattey <vinay.thattey@gmail.com> wrote:

For Hydro check your specification and system design requirement ... Can not skip ..

On Wed, 19 Jan 2022 at 13:35, Shahil Saini <sainishahil98@gmail.com> wrote:

Hello everyone,

If 4-5 mm welding is performed in the 32 mm thick material, is PWHT & Hydro required or not or can I skip PWHT and Hydro? any clause related to this??

Regards,

Shahil Saini

PGET-Welding

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Regards,

Jenish Mistry

09033476117

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Re: [MW:32768] PWHT and Hydrotest

If our Nominal Thickness Exceed by 38 mm, Then we have to perform PWHT,

For Nominal Thickness Definition See UW-40

Thanks & Regards

Avanish Kumar Singh

On Wed, Jan 19, 2022, 1:35 PM Shahil Saini <sainishahil98@gmail.com> wrote:

Hello everyone,

If 4-5 mm welding is performed in the 32 mm thick material, is PWHT & Hydro required or not or can I skip PWHT and Hydro? any clause related to this??

Regards,

Shahil Saini

PGET-Welding

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Re: [MW:32767] PWHT and Hydrotest

Hi,

As per Table UCS56-1- Note (b) of Section VIII,Div.1 , for 32mm to 38mm thickness PWHT is not mandatory as below. But hydrostatic test to be done as per the drawing & Design requirements.

GENERAL NOTES:

(a) When it is impractical to postweld heat treat at the temperature specified in this Table, it is permissible to carry out the postweld

heat treatment at lower temperatures for longer periods of time in accordance with Table UCS-56.1.

(b) Postweld heat treatment is mandatory under the following conditions:

(1) for welded joints over 11/2 in. (38 mm) nominal thickness;

(2) for welded joints over 11/4 in. (32 mm) nominal thickness through 11/2 in. (38 mm) nominal thickness unless preheat is

applied at a minimum temperature of 200°F (95°C) during welding. This preheat need not be applied to SA-841 Grades A and

B, provided that the carbon content and carbon equivalent (CE) for the plate material, by heat analysis, do not exceed 0.14%

and 0.40%, respectively, where

Thanks& Regards,

(Karthik)
Karthikeyan.S
M: +66-892512282

On Wednesday, January 19, 2022, 03:05:37 PM GMT+7, Shahil Saini <sainishahil98@gmail.com> wrote:

Hello everyone,

If 4-5 mm welding is performed in the 32 mm thick material, is PWHT & Hydro required or not or can I skip PWHT and Hydro? any clause related to this??

Regards,

Shahil Saini

PGET-Welding

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[MW:32766] PWHT and Hydrotest

Hello everyone,

If 4-5 mm welding is performed in the 32 mm thick material, is PWHT & Hydro required or not or can I skip PWHT and Hydro? any clause related to this??

Regards,

Shahil Saini

PGET-Welding

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Re: [MW:32765] skipping of PWHT (SR) and Hydrotest

Dear friend,

If joint welding of SS+ CS with 32mm thickness - as per ASME sec VIII div 1 for p no :1 PWHT is mandatory.

> if you preheated the CS side as per code? if the HAZ hardness on CS plate is within the base metal range, you can avoid PWHT process if end customer is accepting  this condition 

  

Regards,

Sankaran.SP

Welding & Metallurgy expert

coimbatore, India.  

On Wednesday, 19 January, 2022, 11:41:11 am IST, Shahil Saini <sainishahil98@gmail.com> wrote:

Hello everyone,

If the weld performed is sound on the 32 mm thik material (SS and CS) and preheated as per code, then can i skip the PWHT and Hydrotest??

Regards,

Shahil Saini

PGET-Welding 

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[MW:32764] skipping of PWHT (SR) and Hydrotest

Hello everyone,

If the weld performed is sound on the 32 mm thik material (SS and CS) and preheated as per code, then can i skip the PWHT and Hydrotest??

Regards,

Shahil Saini

PGET-Welding 

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Re: [MW:32762] IBR Competent Person Examination - Material

Vikas Bhai :

I'm trying to get from my colleagues  .Will definitely share , if I get any information.. 

On Tue, 11 Jan 2022 at 15:41, Rana Vikas <vhrana@gmail.com> wrote:

Dear All,

I am planning to attend  the upcoming IBR Competent Examination.

Please  help/guide How to start preparation of IBR Competent Person Examination?

It's very helpful if you provide any presentation or documents for preparation.

With Regards,

Vikas Rana

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Re: [MW:32762] Weld overlay vs Explosion bonding for monel

Dear Dev :

pl make it more clear   SS 304L + Monel

On Tue, 11 Jan 2022 at 11:36, Devalkumar Desai <dd101189@gmail.com> wrote:

Dear all, 

Plese advice better option for

Tubesheet:  SS 304L + Monel. 

1) Weld overlay . (Is possible??) 

2) Explosion Bonded. 

Br, 

Deval

On Mon, 10 Jan, 2022, 08:47 'dwh' via Materials & Welding, <materials-welding@googlegroups.com> wrote:

Has the component been case -hardened?

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Re: [MW:32760] Weld overlay vs Explosion bonding for monel

Explosion Bonding

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,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Tue, Jan 11, 2022 at 11:36 AM Devalkumar Desai <dd101189@gmail.com> wrote:

Dear all, 

Plese advice better option for

Tubesheet:  SS 304L + Monel. 

1) Weld overlay . (Is possible??) 

2) Explosion Bonded. 

Br, 

Deval

On Mon, 10 Jan, 2022, 08:47 'dwh' via Materials & Welding, <materials-welding@googlegroups.com> wrote:

Has the component been case -hardened?

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Re: [MW:32759] impact test difference in WPS & MTC

Consumable should have tested for minus 52,  otherwise it may vary

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,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Mon, Jan 17, 2022 at 3:02 PM 'sangram routray' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear Experts,

we have a qualified PQR & WPS with impact test @ -52°C , with use a specific filler wire batch.  In witch filler wire MTC; manufacture recommended the impact value @ -40°C.

Job's Impact requirement is -52°C.

shall I use the same specific batch Filler wire for the job?? (Y/N)

or required batch test qualification (all weld test )

Answer with code's justification.

 welding code ASME Sec-IX

code of construction ASME B31.3

Thanks & Regards

Sangramkeshari Routaray

MOB NO. +91-8249921885

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Re: [MW:32758] RE: 32751] Selection of Pigs For 30" Gas Pipeline

In ref bto TDW documents, you may consider pig & brush type as per gas / fluid process variables, bends & piping fittings / components specifications. 

1. Steel wire brushes

2. Scrapper discs

3. Urethane cups

4. Urethane blades

Magnetic pig

Pitboss

Vantage V 

Bidirectional pig

Vintage V batching

SBN 4A, LBN 4A

Inflatable

SG2

LG2

Ultra pig allurathane

Black diamond composite wrap

Above mentioned pigs are suitable for 30"dia. 

TDW UK Tel. No. +441793603600

USA Tel. No. 18005717447, 19184475400

WWW.TDWLIAMSONS.COM

Chandrakant Mohikar.
Consultant: Integrated Project Management Systems. (IPMS). Energy and Infrastructure
Contact: + 91 84460 79514
Infra Academy.
https://tinyurl.com/InfraAcademy

On Mon, 17 Jan 2022, 09:29 , <pgoswami@rogers.com> wrote:

Pigging is a very special process. You need to talk to the companies specialized in this discipline. TDW specializes in this area. You may contact them, for specific services in Bangladesh, if they provide so. I know they've a big presence in India. This presentation discusses with some interesting issues, related to pigging .

Hope it will help you.

 

Thanks.

 

Pradip Goswami.P.Eng, IWE.

Independent Consulting Welding & Metallurgical Engineering Specialist

Consultant: SNC Lavalin Inc. (Nuclear &Non-Nuclear)

Saudi Aramco Approved Designated Project Welding Engineer (DPWR)

Qatar Petroleum Approved, SME-Materials & Corrosion Engineering.

Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/

Email:pgoswami@rogers.com,pradip.goswami@gmail.com

Cell/Whasapp:1-905-9793232

 

From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> On Behalf Of Engr. Asif Chowdhury
Sent: January 16, 2022 8:55 AM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:32751] Selection of Pigs For 30" Gas Pipeline

 

Dear Experts,

 

Hope everyone is doing great.

 

In a cross-country gas pipeline project over a bridge deck we have almost completed ou welding activities and right now we are facing problem in selection of Pigs for that pipeline. For your information, the pipeline is about approximately 6 Km in length consisting of 14 nos U-loop and 06 Nos W-loop and 01 nos inlet and 01 nos outlet loops. Outer Dia of Pipeline is about 762 mm with a wall thickness of 25.4 mm.

 

The elbows in the loops are 1.5D 90 Degree LR BW elbows.

 

The entire pipeline has some pipe miter joints included but the angle of miter falls between the range of 2.5 Degree to  5 Degree.

 

 The normal pigs we use for our cross-country pipeline having 3D & 5D Bends are not suitable here.

 

As I have limited knowledge on pigging, hope some expert comment can help me to select the appropriate pig and finalize procurement for my project in Bangladesh.

 

 

With best regards,

Asif

PM

PMB-NGP Project

WhatsApp: +8801925-884133

E-mail: al.istiaque09@gmail.com

The Royal Utilisation Services (Pvt.) Ltd.

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