RE: [MW:22024] 316L -316L,304L-304L weld with ER309L

Any reference for this recommendation???

regards

 

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

De: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] En nombre de Kannayeram Gnanapandithan
Enviado el: martes, 30 de septiembre de 2014 04:04
Para: materials-welding
Asunto: Re: [MW:22021] 316L -316L,304L-304L weld with ER309L

 

first--no

2nd--ok

THANKS & BEST REGARDS

KG.PANDITHAN, AWS-CWI, CSWIP 3.1

CONSULTANT-WELDING & QUALITY

 

On Tue, Sep 30, 2014 at 12:15 PM, S.Mohammed <mohd52100@gmail.com> wrote:

Dear all,

We have two situation,
1. 316L to 316L weld with ER 309L
Q1: is it acceptble? Any metallurgy issues?

2.304L to 304L weld with ER309L
Q2: is it acceptbale? Any metallurgycal issues?

Pl note that we dont have such wps.

Regards
Mohd.

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[MW:22024] RE: 22011] CS Pipe API5L / A106 GR.B/X42 P2 (PSL2) instead of API5L / A106 GR.B/X42 (PSL1)

Ask to your customer, if you explain that pipes your are offering are better maybe there is no problem, psl2 pipes have more rigorous quality control, among others in ChemiCal composition, in mechanical properties specially toughness.

Sergio Antonio Muñoz
IWE-IIW
http://Weld-ING.blogspot.com

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Re: [MW:22024] 316L -316L,304L-304L weld with ER309L

First is - not acceptable

second - acceptable but unneecresr westage of mony

find compostion of materila u will get answer automatically

On Tue, Sep 30, 2014 at 1:34 PM, Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

first--no

2nd--ok

THANKS & BEST REGARDS

KG.PANDITHAN, AWS-CWI, CSWIP 3.1

CONSULTANT-WELDING & QUALITY

On Tue, Sep 30, 2014 at 12:15 PM, S.Mohammed <mohd52100@gmail.com> wrote:

Dear all,

We have two situation,
1. 316L to 316L weld with ER 309L
Q1: is it acceptble? Any metallurgy issues?

2.304L to 304L weld with ER309L
Q2: is it acceptbale? Any metallurgycal issues?

Pl note that we dont have such wps.

Regards
Mohd.

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Re: [MW:22023] Max. temp. attainable by CS tubes to avoid creep rupture

Hi everyone,though therotically Maximum Temperature limit of C.S is 425 degree celcius but you refer some practical standard of API it will allow use of c.s. above 425 degree celcius. any how its tube so obiviously threre will be less welding so the rate of carbide formation will be less. i dont think so it will be issue for 1 hour

On Tue, Sep 30, 2014 at 5:15 PM, pgoswami <pgoswami@quickclic.net> wrote:

Hi Jignesh and Dr Dilintas,

 

A short note on this scenario, from Utility Operators point of view.

C.S will be pushed well above the upper limit and cause overheating of SA 106 GrB. Reason excessively higher temperature(well above design limits) plus dry(no flow condition).

 

It would advisable to switch to Cr-Mo steel for better design, and avoid premature failure. FEA is good for all other scenario, but Creep is totally unpredictable.

 

Thanks.

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Specialist

Ontario, Canada

pgoswami@quickclic.net

pradip.goswami@gmail.com

http://ca.linkedin.com/pub/pradip-goswami/5/985/299

 

---

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of george.dilintas@gr.bureauveritas.com
Sent: Tuesday, September 30, 2014 4:29 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:22020] Max. temp. attainable by CS tubes to avoid creep rupture

The max temp. for SA-106 GrB is 800 deg F (as indicated by ASME B31.1).
Your temperature is close to this limit.
However, creep is not only a function of time. It is a function also of the load (pressure or other).
So I would suggest that you carry a static calculation and you compare the resulting stress with the allowable stress at 800 degF (for SA-106GrB, this is 10,8 ksi).
If you are below you have not to worry about.
Otherwise you will need to perform FEA with non linear Finite Elements simulating creep

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor


I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS

Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)

Jignesh Desai ---30/09/2014 10:52:54---Design Code : ASME Sec I, API 560 & API 530 Service: Non Corrosive.

From: Jignesh Desai <jignesh.desai.met@gmail.com>
To: materials-welding@googlegroups.com
Date: 30/09/2014 10:52
Subject: [MW:22019] Max. temp. attainable by CS tubes to avoid creep rupture
Sent by: materials-welding@googlegroups.com

---

Design Code : ASME Sec I, API 560 & API 530
Service: Non Corrosive.


We have CS tubes in the convection section (BFW service) of furnace and we are planning to operate during the emergency shut down (plant black out) for short duration of about an hour at higher temperature then the design temp.  (425° C).
At this short duration of time the water tubes is going to see the no BFW flow condition (DRY).

Query: What is the max. temperature attainable (intermittent - 01 hour) by CS tubes (to avoid creep rupture). How much the temperature above the design temperature (425° C) can the CS tube be pushed for this short operation of time (01 hour)?

Regds/Jignesh

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Mobile No-8087065569

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RE: [MW:22022] Max. temp. attainable by CS tubes to avoid creep rupture

Hi Jignesh and Dr Dilintas,

 

A short note on this scenario, from Utility Operators point of view.

C.S will be pushed well above the upper limit and cause overheating of SA 106 GrB. Reason excessively higher temperature(well above design limits) plus dry(no flow condition).

 

It would advisable to switch to Cr-Mo steel for better design, and avoid premature failure. FEA is good for all other scenario, but Creep is totally unpredictable.

 

Thanks.

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Specialist

Ontario, Canada

pgoswami@quickclic.net

pradip.goswami@gmail.com

http://ca.linkedin.com/pub/pradip-goswami/5/985/299

 

---

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of george.dilintas@gr.bureauveritas.com
Sent: Tuesday, September 30, 2014 4:29 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:22020] Max. temp. attainable by CS tubes to avoid creep rupture

The max temp. for SA-106 GrB is 800 deg F (as indicated by ASME B31.1).
Your temperature is close to this limit.
However, creep is not only a function of time. It is a function also of the load (pressure or other).
So I would suggest that you carry a static calculation and you compare the resulting stress with the allowable stress at 800 degF (for SA-106GrB, this is 10,8 ksi).
If you are below you have not to worry about.
Otherwise you will need to perform FEA with non linear Finite Elements simulating creep

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor


I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS

Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)

Jignesh Desai ---30/09/2014 10:52:54---Design Code : ASME Sec I, API 560 & API 530 Service: Non Corrosive.

From: Jignesh Desai <jignesh.desai.met@gmail.com>
To: materials-welding@googlegroups.com
Date: 30/09/2014 10:52
Subject: [MW:22019] Max. temp. attainable by CS tubes to avoid creep rupture
Sent by: materials-welding@googlegroups.com

---

Design Code : ASME Sec I, API 560 & API 530
Service: Non Corrosive.


We have CS tubes in the convection section (BFW service) of furnace and we are planning to operate during the emergency shut down (plant black out) for short duration of about an hour at higher temperature then the design temp.  (425° C).
At this short duration of time the water tubes is going to see the no BFW flow condition (DRY).

Query: What is the max. temperature attainable (intermittent - 01 hour) by CS tubes (to avoid creep rupture). How much the temperature above the design temperature (425° C) can the CS tube be pushed for this short operation of time (01 hour)?

Regds/Jignesh

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Re: [MW:22020] Max. temp. attainable by CS tubes to avoid creep rupture

BEGIN:VCARD
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:george.dilintas@gr.bureauveritas.com
ORG:Bureau Veritas;Industry
REV:20131201T024559Z
END:VCARD

The max temp. for SA-106 GrB is 800 deg F (as indicated by ASME B31.1).
Your temperature is close to this limit.
However, creep is not only a function of time. It is a function also of the load (pressure or other).
So I would suggest that you carry a static calculation and you compare the resulting stress with the allowable stress at 800 degF (for SA-106GrB, this is 10,8 ksi).
If you are below you have not to worry about.
Otherwise you will need to perform FEA with non linear Finite Elements simulating creep

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor


I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS

Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)

Jignesh Desai ---30/09/2014 10:52:54---Design Code : ASME Sec I, API 560 & API 530 Service: Non Corrosive.

From: Jignesh Desai <jignesh.desai.met@gmail.com>
To: materials-welding@googlegroups.com
Date: 30/09/2014 10:52
Subject: [MW:22019] Max. temp. attainable by CS tubes to avoid creep rupture
Sent by: materials-welding@googlegroups.com

---

Design Code : ASME Sec I, API 560 & API 530
Service: Non Corrosive.


We have CS tubes in the convection section (BFW service) of furnace and we are planning to operate during the emergency shut down (plant black out) for short duration of about an hour at higher temperature then the design temp.  (425° C).
At this short duration of time the water tubes is going to see the no BFW flow condition (DRY).

Query: What is the max. temperature attainable (intermittent - 01 hour) by CS tubes (to avoid creep rupture). How much the temperature above the design temperature (425° C) can the CS tube be pushed for this short operation of time (01 hour)?

Regds/Jignesh

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Re: [MW:22021] 316L -316L,304L-304L weld with ER309L

first--no

2nd--ok

THANKS & BEST REGARDS

KG.PANDITHAN, AWS-CWI, CSWIP 3.1

CONSULTANT-WELDING & QUALITY

On Tue, Sep 30, 2014 at 12:15 PM, S.Mohammed <mohd52100@gmail.com> wrote:

Dear all,

We have two situation,
1. 316L to 316L weld with ER 309L
Q1: is it acceptble? Any metallurgy issues?

2.304L to 304L weld with ER309L
Q2: is it acceptbale? Any metallurgycal issues?

Pl note that we dont have such wps.

Regards
Mohd.

--
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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[MW:22019] Max. temp. attainable by CS tubes to avoid creep rupture

Design Code : ASME Sec I, API 560 & API 530

Service: Non Corrosive.

We have CS tubes in the convection section (BFW service) of furnace and we are planning to operate during the emergency shut down (plant black out) for short duration of about an hour at higher temperature then the design temp.  (425° C). 

At this short duration of time the water tubes is going to see the no BFW flow condition (DRY).

Query: What is the max. temperature attainable (intermittent - 01 hour) by CS tubes (to avoid creep rupture). How much the temperature above the design temperature (425° C) can the CS tube be pushed for this short operation of time (01 hour)?

Regds/Jignesh

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[MW:22018] 316L -316L,304L-304L weld with ER309L

Dear all,

We have two situation,
1. 316L to 316L weld with ER 309L
Q1: is it acceptble? Any metallurgy issues?

2.304L to 304L weld with ER309L
Q2: is it acceptbale? Any metallurgycal issues?

Pl note that we dont have such wps.

Regards
Mohd.

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Re: [MW:22017] tube to tube sheet qualification.

Dear sir 

Please note that carrying out tube to tubesheet mock up before actual welding On job is the intent of the code.

This involves the actual welding variables and sequence to be followed on job.

You should weld the mock up simulating actual job condition and sequence. I.e. Do exactly same on mock up what you want to do on job.

For your query regarding combining two mock up qualifications. 

Ask your AI or concerned tpi for its acceptance. In this case they may refuse you proposal of combining two PQRs because it is not simulating actual job conditions. 

Anyway you talk with them and proceed.

Best regards

Jignesh Makwana

Sent from Samsung Mobile

-------- Original message --------

From: Mahesh Mirje

Date:26/09/2014 08:36 (GMT+05:30)

To: materials-welding@googlegroups.com

Subject: Re: [MW:22000] tube to tube sheet qualification.

Thanks hegde sir for valuable revert,
Still have little bit query,
I have two separate qualifications of mock up for same pattern,  but only thing is one is with addition of filler wire, another one is without addition of filler,
But in actual job, now welder is welded intially by fussing ( 90 % of welding without addition of filler) then unfilled portions are welded by adding filler wire to achieve good finish.

So shall I make single mock up wps using those two pqrs,
If no, then Wat to do in above case,
If I need to again qualify mock up procedure in single pqr using initially wihout filler and then by addtion of filler wire ,is it allowed by code?

Regards
Mahesh mirje

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Re: [MW:22015] Welder qualification

Difficult to relay ,i dont think so welder need to know about chemical properties of metal

On Sat, Sep 27, 2014 at 4:29 PM, Rems Okonkwo <rems.okonkwo@gmail.com> wrote:

Dear Mohit,

 

F Number is an essential variable for welders qualification. If the F-No used in the CS does not cover that to be used for the Overlay as per QW-433, then the welder is not qualified to perform such overlay. In any case, you will also need to consider the requirement of QW-381.3.

 

Dear Mahendra,

 

When a chemical composition is stipulated in the WPS, it simple implies that every weld performed must meet the stipulated chemical composition and chemical analysis of the production weld may be required by spot check. It is then a requirement that every welder must be qualified using that particular WPS and strickly following the weld parameters as stipulated in the WPS.

 

Regards,

 

Rems Okonkwo

IWE Nigeria

On Fri, Sep 26, 2014 at 7:26 PM, Mohit Aggarwal <aggarwalmohit05@gmail.com> wrote:

Dear Sir,
Thanks for your reply.

Code is ASME section IX.and consumable is E309LMo.
My query is sir if a welder is qualified in CS Groove weld then how he can qualify for overlay as overlay is always done by Inconel or SS whatever it is!!

Best Regards,
Mohit Aggarwal.

On 26-Sep-2014 11:04 PM, "Rems Okonkwo" <rems.okonkwo@gmail.com> wrote:

Dear Mohit,

 

Although your query lack all necessary information like the applicable code, the type of consumable, materials etc but on a general note, welders qualified for clad restoration are not qualified to weld butt joints but when a welder is qualified on butt weld, the weld is qualified to weld clad restoration if only

 

1. requirement for Chemical composition.

 

2. within the F number of the consumable qualified,

 

3. within the welding position qualified

 

Please refer to ASME IX Art III (See Below)

 

QW-381.3 Alternative Qualification With Groove

Weld Tests.

When a chemical composition is not specified

in the WPS, welders or welding operators who successfully

complete a groove weld performance qualification

test meeting the corrosion

‐resistant overlay bend test requirements

of

QW-163 may be considered qualified for

corrosion

‐resistant overlay welding within the ranges defined

in

QW-350 or QW-360.

Regards,

 

Rems Okonkwo

IWE Nigeria

On Thu, Sep 25, 2014 at 3:43 PM, Mohit Aggarwal <aggarwalmohit05@gmail.com> wrote:

Dear Experts,

I have query regarding welder that if a welder is qualified for clad restoration overlay then he will be qualified to weld in groove joint or not.

If a welder is qualified for groove welding,then he will be qualified for clad restoration overlay or not.

Thanks!!

Best Regards,
Mohit Aggarwal.

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FW: [MW:22014] Hardness relation with H2S environment

Vijay,

 

Failure in sour -service environment (i.e wet H2S environment) is always related to hardness. Please see the introduction in MR-0175. Many materials may have higher Y.S but lower hardness, say 300 series S.S. Contents of  MR-0175 is self explanatory.

 

Thanks 

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Specialist

Ontario, Canada

pgoswami@quickclic.net

pradip.goswami@gmail.com

http://ca.linkedin.com/pub/pradip-goswami/5/985/299

 

Introduction

The consequences of sudden failures of metallic oil and gas field components, associated with their exposure

to H2S-containing production fluids, led to the preparation of the first edition of NACE MR0175, which was

published in 1975 by the National Association of Corrosion Engineers, now known as NACE International.

The original and subsequent editions of NACE MR0175 established limits of H2S partial pressure above which

precautions against sulfide stress cracking (SSC) were always considered necessary. They also provided

guidance for the selection and specification of SSC-resistant materials when the H2S thresholds were

exceeded. In more recent editions, NACE MR0175 has also provided application limits for some corrosionresistant

alloys, in terms of environmental composition and pH, temperature and H2S partial pressures...........

---

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of meisam shokri arfaei
Sent: Monday, September 29, 2014 4:34 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:22012] Hardness relation with H2S environment

I think during hardness you could find exact values related to each area (base metal, weld metal, fusion line and HAZ refer to hardness sketch) but in other tests such as tensile you will find a summary of properties for those areas together (that is not good for root cause analysis or developing design or fit for purpose). 

Also if any doubt remain after hardness, it is practical that you check values again or doing retest. Also check values in relationship with microstructure which are not practical after destructive tests.

Regards  

On Mon, Sep 29, 2014 at 10:48 AM, Vijay Katkar <katkar.vijay22@gmail.com> wrote:

Hi All,

Why NACE is restricting hardness value? Why Not other properties e.g Yield ... etc.

What is the relations between hardness and cracking behaviour ?

Kindly provide your valuable views on this.

Best regards

Vijay Katkar

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Tel.: +98 21 66282127

Fax: +98 21 66282779

Mob.:+98 912 1394023

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[MW:22016] RE: 22011] CS Pipe API5L / A106 GR.B/X42 P2 (PSL2) instead of API5L / A106 GR.B/X42 (PSL1)

PSL 2 is a higher quality standard than PSL and few clients would object to received PSL 2 in lieu of PSL1. However you need to declare to your client what you are providing. The leaner chemistry of PSL 2 could give strength issues if anyone were to make pipe bends by induction bending from the material.

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Nirav Sanghavi
Sent: 29 September 2014 12:02
To: materials-welding@googlegroups.com
Subject: [MW:22011] CS Pipe API5L / A106 GR.B/X42 P2 (PSL2) instead of API5L / A106 GR.B/X42 (PSL1)

 

Can we supply Carbon Steel Seamless Pipe API5L / A106 GR.B/X42 P2 (PSL2) instead of API5L / A106 GR.B/X42 (PSL1)

Looking forward to your guidance.

Thanks

Nirav

M:+971(0) 50 9156242

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RE: [MW:22013] Hardness relation with H2S environment

Please refer to the following paper:

 

http://www.documentation.emersonprocess.com/groups/public/documents/reference/d351798x012_09.pdf

 

http://www.twi-global.com/technical-knowledge/job-knowledge/complying-with-nace-hardness-requirements-119/

 

 

Best regards

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of PUB:meisam shokri arfaei
Sent: segunda-feira, 29 de setembro de 2014 05:34
To: materials-welding@googlegroups.com
Subject: Re: [MW:22012] Hardness relation with H2S environment

 

I think during hardness you could find exact values related to each area (base metal, weld metal, fusion line and HAZ refer to hardness sketch) but in other tests such as tensile you will find a summary of properties for those areas together (that is not good for root cause analysis or developing design or fit for purpose). 

Also if any doubt remain after hardness, it is practical that you check values again or doing retest. Also check values in relationship with microstructure which are not practical after destructive tests.

 

Regards  

 

On Mon, Sep 29, 2014 at 10:48 AM, Vijay Katkar <katkar.vijay22@gmail.com> wrote:

Hi All,

Why NACE is restricting hardness value? Why Not other properties e.g Yield ... etc.

What is the relations between hardness and cracking behaviour ?

Kindly provide your valuable views on this.

Best regards

Vijay Katkar

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Tel.: +98 21 66282127

Fax: +98 21 66282779

Mob.:+98 912 1394023

 

 

 

 

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[MW:22011] CS Pipe API5L / A106 GR.B/X42 P2 (PSL2) instead of API5L / A106 GR.B/X42 (PSL1)

Can we supply Carbon Steel Seamless Pipe API5L / A106 GR.B/X42 P2 (PSL2) instead of API5L / A106 GR.B/X42 (PSL1)

Looking forward to your guidance.

Thanks

Nirav

M:+971(0) 50 9156242

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Re: [MW:22012] Hardness relation with H2S environment

I think during hardness you could find exact values related to each area (base metal, weld metal, fusion line and HAZ refer to hardness sketch) but in other tests such as tensile you will find a summary of properties for those areas together (that is not good for root cause analysis or developing design or fit for purpose). 

Also if any doubt remain after hardness, it is practical that you check values again or doing retest. Also check values in relationship with microstructure which are not practical after destructive tests.

Regards  

On Mon, Sep 29, 2014 at 10:48 AM, Vijay Katkar <katkar.vijay22@gmail.com> wrote:

Hi All,

Why NACE is restricting hardness value? Why Not other properties e.g Yield ... etc.

What is the relations between hardness and cracking behaviour ?

Kindly provide your valuable views on this.

Best regards

Vijay Katkar

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ASNT NDT Level III

International Welding Engineer

Tel.: +98 21 66282127

Fax: +98 21 66282779

Mob.:+98 912 1394023

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[MW:22010] Hardness relation with H2S environment

Hi All,

Why NACE is restricting hardness value? Why Not other properties e.g Yield ... etc.

What is the relations between hardness and cracking behaviour ?

Kindly provide your valuable views on this.

Best regards

Vijay Katkar

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Re: [MW:22009] WELDING JOINT A335 P91

Dear Mr Hussain,

What kind type III or IV Crack? Could you explain these crack types?


On Sunday, September 28, 2014 4:04:55 PM UTC+7, engrshanas wrote:

Dear experts,

As per my expereince, we should use B9 instead of B3. During operation (One year) it will give type III or IV crack and we need to cut it out again. According to Babcock and Wilcox and Vallaourec & Mannesmann, it might give higher hardness and we may do not get the required micro structure as well. 

Kind regards

Muhammad Hussain

Lead Metallurgist

TCR Arabia Company Limited

Dammam- Saudi Arabia 

On Sunday, September 28, 2014 11:29 AM, Bala Nechur <bala....@phoenixindustrial.ca> wrote:

Hello Expert,

 

I recommend to use ER9S-B9 and E9018-B9 which will match the chemistry of A335 Gr P91 material.

 

Bala Nechur,

Corporate QA/QC Manager

Phoenix Industrial,

Office: 780-428-3130  Ext 736

Cell: 780-204-0239

Fax: 1-866-211-3193

Toll Free: 1-866-778-3130

Email: bala....@phoenixindustrial.ca

                                                                                                     

The information transmitted is intended only for the addressee(s) and may contain confidential, proprietary and/or privileged material, unauthorized review, copying, distribution, taking of any action in reliance upon or disclosure is strictly prohibited. If you are not an intended addressee, please delete this message, including attachments immediately

 

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

 

From: material...@googlegroups.com [mailto:material...@googlegroups.com] On Behalf Of pras ari
Sent: September-26-14 10:16 PM
To: material...@googlegroups.com
Subject: [MW:22004] WELDING JOINT A335 P91

 

Dear Experts,

We have study case, on our project (steam power plant project), there was any welding joint i.e. welding pipe A335 P91 to A335 P91 with filler metal GTAW ER90S-B3 + SMAW E9015-B9 and PWHT 750 C with holding time 2 hours.
Please advise us, what impact these welding joint for strength and lifetime if compare with GTAW ER90S-B9 + SMAW E9015-B9 and PWHT 750 C with holding time 2 hours.
What can we do and the solution this case.

Thanks and regards
Winarko
QA/QC Welding Inspector
+6281288300094

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