Re: [MW:34840] crack in main plate with thinness 19 mm

Dear ;

Can you please provide more details ... MOC ?? ,Welding process ?? Preheat /Post heat??

On Sun, 31 Mar 2024 at 06:11, 'babak khadivar' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear All

We have encountered a critical issue with the joints from the beam to the main plate on the Spud Can top plate of our jack-up rig. Upon welding and subsequently lowering the spud can into the water using the jacking system, cracks have emerged in three of the joints that were welded previously ( according to photos cracks happen on the plate) This is a concerning development, and we must address it promptly to ensure the integrity and safety of our spud can.

Considering that in the area where we are, the depth of water is low and there is not much pressure on the spud can, the reason why this happens is not clear to us, and if anyone can advise on this matter, I would be very grateful.

Main top plate thickness is 19 mm and crack depth is 16 mm.

Regards

Babak

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Re: [MW:34839] crack in main plate with thinness 19 mm

Hi 

This same problem we have solved in my previous Project .  It's called Hydrogen induced Crack or Delayed Crack. The main reason WPS was not followed (Preheating and post heat ) .   Also need to check two times for NDT 24 hours and 48 hours.   

Regards

Ramamoorthi Thangarasu

Sr.Inspection Engineer

TUV Rheinland.

On Sun, Mar 31, 2024 at 3:41 AM 'babak khadivar' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear All

We have encountered a critical issue with the joints from the beam to the main plate on the Spud Can top plate of our jack-up rig. Upon welding and subsequently lowering the spud can into the water using the jacking system, cracks have emerged in three of the joints that were welded previously ( according to photos cracks happen on the plate) This is a concerning development, and we must address it promptly to ensure the integrity and safety of our spud can.

Considering that in the area where we are, the depth of water is low and there is not much pressure on the spud can, the reason why this happens is not clear to us, and if anyone can advise on this matter, I would be very grateful.

Main top plate thickness is 19 mm and crack depth is 16 mm.

Regards

Babak

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Re: [MW:34838] PQR qualification as per API 1104

Hi

API 1104 given Direction if any changes for welding Parameters  need new WPS...Below and Over12 inch dia & Thickness. 

WQT also....

On Sun, Mar 31, 2024 at 3:41 AM 'Mostafa DAIF' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear all,

In the context of welding procedure qualification outlined by API 1104, it's important to note that the qualification of a butt weld does not extend automatically to branch and fillet welds. Each type of weld necessitates its own distinct qualification procedure.

Best regards,

Le sam. 30 mar. 2024 à 07:54, thulaib arakkal <thulaibwelding@gmail.com> a écrit :

Dear All,

In welding procedure qualification as per API 1104, does Butt Weld qualification also qualifies branch and fillet welds?.

Regards,

Thulaib

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Re: [MW:34836] PQR qualification as per API 1104

Dear all,

In the context of welding procedure qualification outlined by API 1104, it's important to note that the qualification of a butt weld does not extend automatically to branch and fillet welds. Each type of weld necessitates its own distinct qualification procedure.

Best regards,

Le sam. 30 mar. 2024 à 07:54, thulaib arakkal <thulaibwelding@gmail.com> a écrit :

Dear All,

In welding procedure qualification as per API 1104, does Butt Weld qualification also qualifies branch and fillet welds?.

Regards,

Thulaib

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[MW:34836] crack in main plate with thinness 19 mm

Dear All

We have encountered a critical issue with the joints from the beam to the main plate on the Spud Can top plate of our jack-up rig. Upon welding and subsequently lowering the spud can into the water using the jacking system, cracks have emerged in three of the joints that were welded previously ( according to photos cracks happen on the plate) This is a concerning development, and we must address it promptly to ensure the integrity and safety of our spud can.

Considering that in the area where we are, the depth of water is low and there is not much pressure on the spud can, the reason why this happens is not clear to us, and if anyone can advise on this matter, I would be very grateful.

Main top plate thickness is 19 mm and crack depth is 16 mm.

Regards

Babak

[MW:34834] ASTM A 262 Practice C IGC test for Incoloy 825 material

Dear All,

In ASTM G28 test methods, under test time duration in clause 3, for Alloy N08825, a note is given as " While the ferric sulfate-sulfuric acid test does detect susceptibility to intergranular corrosion in Alloy N08825, the boiling 65 % nitric acid test, Practices A262, Practice C, for detecting susceptibility to intergranular corrosion in stainless steels is more sensitive and should be used if the intended service is nitric acid". Please refer to the attached picture.

1. Does this means only ASTM A 262 Practice C is enough and no need for ASTM G28 method for Incoloy 825 materials under nitric acid services?.

2. Also The Huey test (method C) is only for molybdenum-free grades, such as 304L, as alloys with molybdenum show high rates of attack in this test. But Incoloy 825 contains Molybdenum, So how can we use this test method for Incoloy 825.

Regards,

Thulaib Hussain

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[MW:34834] PQR qualification as per API 1104

Dear All,

In welding procedure qualification as per API 1104, does Butt Weld qualification also qualifies branch and fillet welds?.

Regards,

Thulaib

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[MW:34833] arcap and 306L welding

Hello everyone,

I want to weld ArCap material and 306L material together. But I have some problem. I can't achieve a leak-proof seal.

I use laser welding. And The thickness of the 306L material is very low that is 0.6 mm. What should I use as welding wire? I couldn't find it. Or do you have any other suggestions.

Thank you

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Re: [MW:34832] Inquiry about Single Bevel with Back Grinding

Dear Uday,

As per your question that one is called with backing only,Simple both side you are welding it is backing with strip or without strip plate it is called Backing .

Only one side welding without using any strip and welding is penetrated with other side it is called Without backing.

Regards,

S.MANIKANDAN  

08319656177
08718804461

 
  

On Mon, Mar 25, 2024 at 12:25 PM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

Double side welding is with Backing only. If u donot grind root & weld, it is without backing

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 Sun, Mar 24, 2024 at 11:07 AM Chandra <chandrasekhar.palapala@gmail.com> wrote:

If you are doing back grinding or back gouging and grinding. It is considered as backing

Best Regards,

Chandra

On 23 Mar 2024, at 21.17, masna uday <masnauday4@gmail.com> wrote:



 Dear all , 

I am writing to seek clarification regarding the classification of single bevel with back grinding in terms of whether it is considered as with backing or without backing.

 Could you please provide information or guidance on this matter? Any insights or references you can share would be greatly appreciated. 

 Thank you for your attention to this inquiry. I look forward to hearing from you soon.

 Best regards, 

Masna Uday Kumar masnaudayk4@gmail.com

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Re: [MW:34831] P-No. of UNS 06626

PL confirm , it is UNS N06626 . Its Ni-Cr moly steel..   P-45 is correct.

P-43 is for Inconel 625 i.e UNS 06625 . 

On Wed, 28 Feb 2024 at 15:42, ilham fauzi <ifilham@gmail.com> wrote:

Dear Experts,

What is P-No. of UNS 06626, my client say its P No.45 but that materials simillar with UNS 06625 which is its P-No.43. Please for the advice

Thanks

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[MW:34829] Aluminum WPS

Dear team ,

Please can you shear aluminium WPS.

Thanks 

Ananth 

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Re: [MW:34829] Inquiry about Single Bevel with Back Grinding

Double side welding is with Backing only. If u donot grind root & weld, it is without backing

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 Sun, Mar 24, 2024 at 11:07 AM Chandra <chandrasekhar.palapala@gmail.com> wrote:

If you are doing back grinding or back gouging and grinding. It is considered as backing

Best Regards,

Chandra

On 23 Mar 2024, at 21.17, masna uday <masnauday4@gmail.com> wrote:



 Dear all , 

I am writing to seek clarification regarding the classification of single bevel with back grinding in terms of whether it is considered as with backing or without backing.

 Could you please provide information or guidance on this matter? Any insights or references you can share would be greatly appreciated. 

 Thank you for your attention to this inquiry. I look forward to hearing from you soon.

 Best regards, 

Masna Uday Kumar masnaudayk4@gmail.com

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Re: [MW:34828] Inquiry about Single Bevel with Back Grinding

If you are doing back grinding or back gouging and grinding. It is considered as backing

Best Regards,

Chandra

On 23 Mar 2024, at 21.17, masna uday <masnauday4@gmail.com> wrote:



 Dear all , 

I am writing to seek clarification regarding the classification of single bevel with back grinding in terms of whether it is considered as with backing or without backing.

 Could you please provide information or guidance on this matter? Any insights or references you can share would be greatly appreciated. 

 Thank you for your attention to this inquiry. I look forward to hearing from you soon.

 Best regards, 

Masna Uday Kumar masnaudayk4@gmail.com

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Re: [MW:34827] Inquiry about Single Bevel with Back Grinding

Dear Uday ,

For example if you are using SMAW and you are using backing plate... It's considered as backing..

If in same Test coupon.. if you are not using backing plate and grinding the root and then welding from reverse side .. that is without backing FPW Joint. 

Thanks 

On Sat, Mar 23, 2024, 19:47 masna uday <masnauday4@gmail.com> wrote:

 Dear all , 

I am writing to seek clarification regarding the classification of single bevel with back grinding in terms of whether it is considered as with backing or without backing.

 Could you please provide information or guidance on this matter? Any insights or references you can share would be greatly appreciated. 

 Thank you for your attention to this inquiry. I look forward to hearing from you soon.

 Best regards, 

Masna Uday Kumar masnaudayk4@gmail.com

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[MW:34825] Inquiry about Single Bevel with Back Grinding

 Dear all , 

I am writing to seek clarification regarding the classification of single bevel with back grinding in terms of whether it is considered as with backing or without backing.

 Could you please provide information or guidance on this matter? Any insights or references you can share would be greatly appreciated. 

 Thank you for your attention to this inquiry. I look forward to hearing from you soon.

 Best regards, 

Masna Uday Kumar masnaudayk4@gmail.com

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Re: [MW:34826] WPS & PQR for P8-P1 and P8-P8 as per ASME Sec.IX

Dear Sanjay ..E250BR is SA-36 . You have a WPS/PWR  for P1-P8 ..You can not use it for P8 -P8.             U can use P8-P8 PWR for SS 304

On Thu, 29 Feb 2024, 16:10 SANJAY SINGH, <sanjay.kharwar349@gmail.com> wrote:

Dear Experts ,

            Can anyone suggest my below queries

1. I have WPS and PQR with P8 to P1 Base metal  Grade 316 to E250 BR then can I use this PQR for SS304 Grade base metal welding .

2. Similarly I have P8-P8 WPS , PQR in Grade SS316 then can I use this PQR for the welding of SS304 base metal.

Pls. suggest .

Regards 

S.R.Singh

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Re: [MW:34824] What Will be a F Number of E 2209-16 Welding rod (SMAW ).

Dear Naveen,

ASTM A 790 ((UNS S32205) is a Ferritic/Austenitic SS Pipe having Cr.22-23% and Ni 4.5 - 6.5 %. which has P No. 10 H.

For welding this material using SMAW method , AWS SFA 5.4 E-2209 -16 is well suited which has F No.5.

Warm Regards,

Jiji Lal K M

CSWIP 3.1,ASNT LII,IRCA LA

QA/QC Manager,DHPL Pipeline Project

Corrtech International Limited.

On Wed, 13 Mar 2024 at 16:45, P NAVEEN <pnaveen010@gmail.com> wrote:

Dear Sir's,

I am Planning to weld the SS2205 to SS 2205 material .   

Which filler rod ( SMAW ) we can use on that , If we can use the E 2209-16, What will be a F Number of that.

Thanks 

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Re: [MW:34822] ASME P number for EEMUA 144

in my view , YES

On Sun, 17 Mar 2024 at 13:18, thulaib arakkal <thulaibwelding@gmail.com> wrote:

Dear All,

Can we assign P number 34 to EEMUA 144 UNSC7060X 90/10 CuNi.

Regards,

Thulaib

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Re: [MW:34822] ASME P number for EEMUA 144

No, shall be assigned as UNLISTED material EEMUA 144 UNSC7060X 90/10 CuNi. which is not assigned in ASME Sec IX. 

Therefore the subject welding procedure cannot be qualified for material P34 as per Sec IX clause 403.11, which is an essential variable.

On Sun, 17 Mar 2024 at 10:48, thulaib arakkal <thulaibwelding@gmail.com> wrote:

Dear All,

Can we assign P number 34 to EEMUA 144 UNSC7060X 90/10 CuNi.

Regards,

Thulaib

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Best Regards,

Riju pathrose

QA/QC Engineer
Mob: +966534148879

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[MW:34821] ASME P number for EEMUA 144

Dear All,

Can we assign P number 34 to EEMUA 144 UNSC7060X 90/10 CuNi.

Regards,

Thulaib

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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-welding@googlegroups.com> On Behalf Of Gopalakrishnan G
Sent: Friday, March 15, 2024 2:39 AM
To: materials-welding@googlegroups.com
Subject: [MW:34813] Clarification in Rate of heating and cooling.

 

dear expert

I have to do WPS and PQR details given below

 

Test coupon

Thickness -50 mm

Material - IS 2062 E 350 C 

Code - ASME 

Position - 3G

Process - SMAW 

Electrode - E-7018

Impact = -20C @ 27J

Stress Relieving - 605+/- 10c

Rate of heating/cooling- 100c/hr.

 

Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties? : No, It's the Exposure time at the PWHT Temperature which matters most towards the UTS & Charpy Impact values. As a matter of fact, there is no need to maintain a cooling rate of 100⁰C/hr. You may increase the cooling rate to 150Deg C /hr or more.

 

As per UCS 56 ASME SEC 8 div 1 Max rate of heating and cooling 222c/hrs divided by max.metal thickness.

 

As my client need Rate of heating and cooling 100c/hrs.

 

Plz kindly clarify.

 

 

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Re: [MW:34818] What Will be a F Number of E 2209-16 Welding rod (SMAW ).

Hi 

I mean F-No. 5 not 4. 4 just typo

Thanks,

Best Regards 

 AZMY ASHOUSH

Head Of Marine Welding Section / IWE, CSWIP

PETROJET Marine 

Mobile: 01064908985

E-Mail: azmyashoush@petrojet.com.eg

              marineweldingdpt@gmail.com

On Fri, 15 Mar 2024 at 05:36, Azmy Ashoush <marineweldingdpt@gmail.com> wrote:

Hi

F-No. For SFA A5.4 E2209-16 as per table QW-432 is 4

Thanks 

On Fri, Mar 15, 2024, 4:01 AM Prathab P <prapoovins@gmail.com> wrote:

Hi,

QW-432

On Thu, 14 Mar 2024, 13:02 Yutian Ren, <yutian.ren@gmail.com> wrote:

It can be E2209-16. 

P NAVEEN <pnaveen010@gmail.com> 于2024年3月13日周三 19:14写道：

Dear Sir's,

I am Planning to weld the SS2205 to SS 2205 material .   

Which filler rod ( SMAW ) we can use on that , If we can use the E 2209-16, What will be a F Number of that.

Thanks 

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Re: [MW:34818] Clarification in Rate of heating and cooling.

Dear,

In welding procedure specifications (WPS) and procedure qualification records (PQR), the rate of heating and cooling is an important parameter that can influence the mechanical properties of the welded joint, including ultimate tensile strength (UTS) and impact properties.

The ASME Boiler and Pressure Vessel Code, Section IX, UCS-56 specifies the maximum rates of heating and cooling for various materials and thicknesses to ensure the mechanical properties of the welded joint meet the required standards. For ASME Code applications, it's crucial to adhere to these specifications to ensure the integrity and safety of the welded component.

In your case, the specified rate of heating and cooling is 100°C/hr, which is lower than the maximum allowable rate specified in UCS-56 for the given material thickness. This lower rate may result in a more controlled heat input during welding and subsequent cooling, which could potentially lead to improved mechanical properties, including impact toughness.

However, it's essential to note that while the specified rate of heating and cooling may be lower than the maximum allowable limit, other welding parameters and procedures also play significant roles in determining the final mechanical properties of the welded joint. These parameters include preheat temperature, interpass temperature, welding technique, electrode selection, post-weld heat treatment (if required), etc.

Therefore, while the specified rate of heating and cooling may contribute to achieving desired mechanical properties, it's essential to consider all relevant welding parameters and procedures to ensure compliance with the applicable code requirements and the desired performance criteria for the welded joint.

Regards,

Amol K.Betkar

On Fri, 15 Mar 2024 at 12:12, Gopalakrishnan G <gopal2408@gmail.com> wrote:

dear expert

I have to do WPS and PQR details given below

Test coupon

Thickness -50 mm

Material - IS 2062 E 350 C 

Code - ASME 

Position - 3G

Process - SMAW 

Electrode - E-7018

Impact = -20C @ 27J

Stress Relieving - 605+/- 10c

Rate of heating/cooling- 100c/hr

Whether if Rate of heating / cooling is 100c/hrs will it affect the test result both UTS and Impact properties?

As per UCS 56 ASME SEC 8 div 1 Max rate of heating and cooling 222c/hrs divided by max.metal thickness.

As my client need Rate of heating and cooling 100c/hrs.

Plz kindly clarify.

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Best regards,

Amol K.B

B.E(Mech), CSWIP 3.2.2, NACE CIP 1 & ASNT LII(4M)

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