Saturday, November 30, 2019

Re: [MW:30245] AWS D1.1 WPS qualification range for base material

1. Thickness Range for WPS without CVN testing: 3 mm to 14.22 mm
2. Thickness Range for WPS with CVN testing: 7.11 mm to 14.22 mm (Refer to Table 4.6 ( 2)).
Refer to Table 9.10.

Vào Th 2, 4 thg 11, 2019 vào lúc 10:14 Prashant <pprane.rane1@gmail.com> đã viết:
I have to qualify a PQR in following conditions

Construction Code AWS D1.1
Material API 5L Gr B
Welding position 6GR
Base material
Diameter 6"
Thickness on none bevel end = 14.27 mm
Thickness on bevel end = 7.11 mm

Query

1.  What should be the thickness Range for WPS without CVN testing ?

2.  What should be the thickness Range for WPS with CVN testing ?

Looking forward for support with Clause reference if possible.

Regards,
Prashant

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Tuesday, November 26, 2019

[MW:30244] Field piping solution annealing

Hi

Any body has experience in field piping solution annealing . I like to get support  requirement  ( calculation or recommendations or any reference material) while doing the annealing  as the temperature is around 2100 F.

This is 26" 1.6" thick 347H material at service 650 degc .

This has simply supported and cantilever situation 





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Sunday, November 24, 2019

[MW:30242] DNVGL-RP-B204 - Welding of subsea production system equipment

Hi All,

Need your help to get subjected welding specification.

I am not able to find this specification.

Thank you

Vijay Katkar

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Saturday, November 23, 2019

Re: [MW:30242] Dome roof structures

Mr.Bhanu, You may look in PINTEREST
How ever if you can send me the drg. 
Let me see if I can help you.



On Sat, 23 Nov 2019, 2:34 a.m. Bhanu Prasad, <sbgprasadrao@gmail.com> wrote:
Dear all,

Any one help to find the splice joint specification in dome roof structures at above oil storage tanks. Kindly advise what to refer and where. 

Thanks in advance
SBG PRASAD RAO

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Friday, November 22, 2019

[MW:30241] Dome roof structures

Dear all,

Any one help to find the splice joint specification in dome roof structures at above oil storage tanks. Kindly advise what to refer and where. 

Thanks in advance
SBG PRASAD RAO

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Thursday, November 21, 2019

[MW:30240] 90 dig elbow cut in 45 dig

Yes, You can proceed.

Regards,
Jaydeep Limbasiya

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Monday, November 18, 2019

[MW:30235] RE: 30229] 90 dig elbow cut in 45 dig

Not advisable

 

From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> On Behalf Of jamshedansari85@gmail.com
Sent: Monday, November 18, 2019 1:38 PM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:30229] 90 dig elbow cut in 45 dig

 

can we cut 90 dig elbow in 45 dig please suggest

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Re: [MW:30235] A335P11 material - Delayed PWHT condition

You can go for post heat if there is a minus temperature.

On Fri, 8 Nov, 2019, 8:48 AM PARAI Reaction Channel, <saravanshyla@gmail.com> wrote:
Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.



With best regards,
Saravanan.Sornam,
Korea

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Re: [MW:30235] 90 dig elbow cut in 45 dig

Dear, 

Please get concession request. 

Dinesh





On Mon, Nov 18, 2019, 17:10 dinesh angara <dhairyalloys.da@gmail.com> wrote:
yes you can

On Mon, Nov 18, 2019 at 4:45 PM <jamshedansari85@gmail.com> wrote:
can we cut 90 dig elbow in 45 dig please suggest

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Re: [MW:30235] 90 dig elbow cut in 45 dig

you can cut all the odd angles from 90 degree elbows. So just go ahead 

Best Regards
Atul 

On Mon, Nov 18, 2019 at 4:45 PM <jamshedansari85@gmail.com> wrote:
can we cut 90 dig elbow in 45 dig please suggest

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Re: [MW:30235] SW-2.6 Performance Testing in ASME B16.20-2017

Thanks, Vinay

Best Regards,

Shashank C Vagal (+91) 8082395502, 8779046302,

301, PRATHAMESH, M G Rd – Mahant Rd, Vile Parle East, Mumbai 400 057 INDIA





On Monday, 18 November, 2019, 04:45:29 pm IST, Vinay Thattey <vinay.thattey@gmail.com> wrote:


No Idea

On Tue, 12 Nov 2019 at 13:58, MW <raghurambathula@gmail.com> wrote:
2017 edition Requires performance testing shall be conducted using an external calibration gas with a known methane concentration. Gasket filler thickness and density shall be determined by the manufacturer such that the performance testing criteria in para. SW-2.6 will be met. Q: Does anybody experienced deviation from gasket manufacturers? which laboratories are equipped with using Methane? Prior to 2017 edition this was not a requirement.

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[MW:30233] ECE - Material Selection and Corrosion Allowance

Dear all,
Does anybody have the ECE 5.5 software for calculating the CA and CR?
If not, How can we calculate it for new construction not in-service piping and equipment?

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Metallurgy, Welding, Mechanical QAQC, Inspection Engineer.
Mob: +971 56 433 7326 & +971 52 667 9935

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Re: [MW:30233] 90 dig elbow cut in 45 dig

yes you can

On Mon, Nov 18, 2019 at 4:45 PM <jamshedansari85@gmail.com> wrote:
can we cut 90 dig elbow in 45 dig please suggest

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[MW:30229] 90 dig elbow cut in 45 dig

can we cut 90 dig elbow in 45 dig please suggest

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Re: [MW:30229] A335P11 material - Delayed PWHT condition

Dear Mr.Kannayeram,

Thank you.

We are going to use GTAW & FCAW combination for it.  After welding complete for the 6 Set. of A335 P11 Pipes as per the previously sent sketch, we are planning to do PWHT, either by local method or at Subcontractor's heat treatment area , all together in one time.

So, it may take Min. 1 day gap for PWHT preparation, after the completion of welding.

Also, if you have any spec for Preheat maintenance, its control and PWHT requirements for A335 P11 materials, then please send me a copy.

Regards,
Saravanan,
Korea

 

On Mon, Nov 11, 2019 at 12:16 PM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:
U can. Since it is bainatic structure, hardness level may not be as high as in Martensite structure. Why do you want delay in doing PWHT, if NDE is delayed, it is a reasonable one after PWHT because of delayed crack 

On Fri, 8 Nov 2019 8:48 am PARAI Reaction Channel, <saravanshyla@gmail.com> wrote:
Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.



With best regards,
Saravanan.Sornam,
Korea

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Sunday, November 17, 2019

Re: [MW:30229] EPDM RUBBER SHEET VS BUTYL RUBBER SHEET

Butyl and EPDM are products of the good quality. They are very flexible, have high elongation and tensile strength which makes them both long lasting products.

Butyl is more flexible because it contains more than 50 percent butyl polymer.   EPDM can work up to - 50 deg c while Butyl up to -60 deg C .  Don't find any problem with EPDM.

 


On Mon, 4 Nov 2019 at 16:44, Chiranjeevi A <chiranjeevipuvvula@gmail.com> wrote:
Dear Experts,

  For cold insulation we have contraction joints where we use butyl rubber sheet used as external bellow. But cost effective we are using EPDM rubber sheet which is from same family and can be folded same as butyl rubber. 

Can we use EPDM, experts share you opinions

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Re: [MW:30229] SW-2.6 Performance Testing in ASME B16.20-2017

No Idea

On Tue, 12 Nov 2019 at 13:58, MW <raghurambathula@gmail.com> wrote:
2017 edition Requires performance testing shall be conducted using an external calibration gas with a known methane concentration. Gasket filler thickness and density shall be determined by the manufacturer such that the performance testing criteria in para. SW-2.6 will be met. Q: Does anybody experienced deviation from gasket manufacturers? which laboratories are equipped with using Methane? Prior to 2017 edition this was not a requirement.

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Thursday, November 14, 2019

[MW:30228] Impact test Requirements

Dear All,

Can any one describe me regarding Impact test requirement as per code ASME B31.3 ASME Sec VIII, API 582 and NACE 472 .

What is the thickness limits? and how i can I know that the piping line class required Impact test or not?

As per piping class what are the thing to I have to check?

And please describe me regarding ASME B31.3 Table- 323.3.1?

For stainless steel above 25 mm where required Impact test or Not?

Thanks In advance.

Regards 
Kiran

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Tuesday, November 12, 2019

[MW:30228] SW-2.6 Performance Testing in ASME B16.20-2017

2017 edition Requires performance testing shall be conducted using an external calibration gas with a known methane concentration. Gasket filler thickness and density shall be determined by the manufacturer such that the performance testing criteria in para. SW-2.6 will be met. Q: Does anybody experienced deviation from gasket manufacturers? which laboratories are equipped with using Methane? Prior to 2017 edition this was not a requirement.

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Monday, November 11, 2019

[MW:30226] Suggest suitable filler metal for welding of dissimilar meterials SA 240 TP 317LM & SA 516 GR.70

Dear Group members,

Would you please suggest a suitable filler metal for welding of dissimilar plate materials
SA 240 TP 317LM & SA 516 GR.70.

Regards,
Manohar.
 
 

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Re: [MW:30225] A335P11 material - Delayed PWHT condition

Not only 48hrs and welding, NDE should be after SR because there is lot of chance for Reheat cracking

On Mon, 11 Nov 2019 8:46 am PARAI Reaction Channel, <saravanshyla@gmail.com> wrote:
Dears,

thanks for the reply.

We are going to use GTAW & FCAW for P No. 11 materials up to 28 mm Thk, so can we bake for 300 to 350 Deg C for an Hr and bring back the Tempr. to 15 Deg C.

Can we do PWHT after 1 day Or to start PWHT immediately after baking .

RT will be taken after 48 Hrs of welding completion time.

If you have any weld spec for P11 materials, then please share me.

Regards,
Saravanan,
Korea

On Sun, Nov 10, 2019 at 5:26 PM 'Rajnish Dixit' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Dear Saravanan,
As per good engineering practices, 48 hours gap is suffecient time for P11material after PWHT as per your mail. More over, please consult your client if they have any specific recommendation.
Also, please go with the attached piece of information found on net, may be useful for you.

Thanks & Best Regards,
Rajnish
On Friday, 8 November, 2019, 10:19:04 AM GMT+7, PARAI Reaction Channel <saravanshyla@gmail.com> wrote:


Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.

image.png

With best regards,
Saravanan.Sornam,
Korea

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Re: [MW:30221] A335P11 material - Delayed PWHT condition

Dears,

thanks for the reply.

We are going to use GTAW & FCAW for P No. 11 materials up to 28 mm Thk, so can we bake for 300 to 350 Deg C for an Hr and bring back the Tempr. to 15 Deg C.

Can we do PWHT after 1 day Or to start PWHT immediately after baking .

RT will be taken after 48 Hrs of welding completion time.

If you have any weld spec for P11 materials, then please share me.

Regards,
Saravanan,
Korea

On Sun, Nov 10, 2019 at 5:26 PM 'Rajnish Dixit' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Dear Saravanan,
As per good engineering practices, 48 hours gap is suffecient time for P11material after PWHT as per your mail. More over, please consult your client if they have any specific recommendation.
Also, please go with the attached piece of information found on net, may be useful for you.

Thanks & Best Regards,
Rajnish
On Friday, 8 November, 2019, 10:19:04 AM GMT+7, PARAI Reaction Channel <saravanshyla@gmail.com> wrote:


Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.

image.png

With best regards,
Saravanan.Sornam,
Korea

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Sunday, November 10, 2019

[MW:30221] Saudi Aramco Approved Inspection procedure for Casing Tubing Drill pipe Threading

Dear All,

Humble request to all group members please send Saudi Aramco Approved Inspection procedure for Casing Tubing Drill pipe Threading.

Your feedback and reply is highly appreciable.

Please do the needful on top urgent priority.

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Thanks & Regards,
Ravindra Jivani


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Re: [MW:30221] A335P11 material - Delayed PWHT condition

U can. Since it is bainatic structure, hardness level may not be as high as in Martensite structure. Why do you want delay in doing PWHT, if NDE is delayed, it is a reasonable one after PWHT because of delayed crack 

On Fri, 8 Nov 2019 8:48 am PARAI Reaction Channel, <saravanshyla@gmail.com> wrote:
Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.



With best regards,
Saravanan.Sornam,
Korea

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Re: [MW:30221] A335P11 material - Delayed PWHT condition

Noted your query,there is no hard & fastened rule in the code for when to start PWHT after welding.In your case only pre heat & post heat is mentioned.Dont forget to maintain 
Interpass temparatue for these P4/P11 matallurgies.
.

However to carryout RT or any NDTs in low ambent temperatures or lower service temperatures,it is preferably after 48hrs. of welding as per good engg. practice.

Check the project spec. for BSR-RT & ASR-RT and comply the same.Check the the hardness of weldments,HAZ and parent metal before & after PWHT.

Regards
IVB


On Fri, Nov 8, 2019, 08:48 PARAI Reaction Channel <saravanshyla@gmail.com> wrote:
Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.



With best regards,
Saravanan.Sornam,
Korea

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Re: [MW:30219] Hardness Test

Dear Venkat,

Please refer API RP 582 for the same.

Thanks & Best Regards,
Rajnish
On Wednesday, 6 November, 2019, 10:17:12 AM GMT+7, chiluka venkatramulu <ramuluchiluka@gmail.com> wrote:


Dear All,
Pl clarify, how to take hardness measurements on welds after PWHT for SA 516 Gr 70 material.
Is there any code reference?

Thanks& Regards,
Venkatramulu

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Friday, November 8, 2019

[MW:30218] Abbrevations - Reg.

Dear Experts,

        Can you anyone Know about Abbreviations of PMTA & TTAT.

Thanks & Regards,
 
Karthikeyan. P

 

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Re: [MW:30217] A335P11 material - Delayed PWHT condition

Hi,

For welds made by SMAW and FCAW, after completion of welding and without allowing the weldment to cool below the minimum preheat temperature, the temperature of the weldment shall be raised to a temperature of ATLEAST TO MAXIMUM INTERPASS TEMPERATURE MAINTAINEDAS A MINIMUM  OR 300-350 DEGREE CELSIUS for a minimum period of two hours. This hydrogen bake-out treatment may be omitted provided the electrode used is classified by the filler metal manufacturer with a diffusible-hydrogen designator of H4 (e.g., E7018-H4);


Thanks& Regards,

 

(Karthik)

Karthikeyan.S

M: +66-892512282

E-mail : karthik6684@yahoo.com



On Friday, November 8, 2019, 10:19:00 AM GMT+7, PARAI Reaction Channel <saravanshyla@gmail.com> wrote:


Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.

image.png

With best regards,
Saravanan.Sornam,
Korea

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Re: [MW:30216] A335P11 material - Delayed PWHT condition

Dear

Where is written that after welding immediate do PWHT. 
you can do PWHT after one, two or more days. 
We r doing preheat during welding and after welding complete, we have continue preheat and come down temp upto ATM. 

Regards 
A p gupta 


On Fri, 8 Nov 2019 at 8:49, PARAI Reaction Channel
<saravanshyla@gmail.com> wrote:
Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.

image.png

With best regards,
Saravanan.Sornam,
Korea

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[MW:30213] A335P11 material - Delayed PWHT condition

Dear Experts,

For one of our project, 

With reference to the sketch shown below, we are going to weld 4 number of Single V Butt joints for A335P11 to itself ( P No. 4 ), pipe Thk of max 28.6 mm by using GTAW & FCAW process ,

Preheat Tempr. of Min. 120 Deg C ( Plan to use Burner ) and PWHT from 650 to 707 Deg C as per ASME B31.3 code.

After we complete the welding in our shop and bring back to the normal ambient tempr. around 15 Deg C, can we do PWHT after 1 or 2 days gap and then we do RT and PT ?

I worry that, during winter in Korea, the ambient tempr. may drop to Minus 10 Deg C.

As there is no weld spec from client for P No.4 , can we do PWHT after 2 days gap.

Please suggest me with any weld instructions for P. No.4 , Preheat maintenance, in order to avoid any crack after welding and with delayed PWHT condition.



With best regards,
Saravanan.Sornam,
Korea

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Thursday, November 7, 2019

Re: [MW:30213] weld thickness

Please Refer QW-433 ASME Sec iX
1.If a welder qualified for F4 with backing can weld F3 with backing as per QW-433
Welder is already qualified for F3 without backing 0.200 inch max (2×0.100 inch) and One more 0.664 inch with F3 he can weld total 0.864 inch.

2. For thickness of weld metal qualified refer QW-452.1(b)
For example welder deposited F4 0.332 inch thickness weld metal deposited.
Maximum weld metal deposited will ne 2×0.332= 0.664.




Mohammed Tajuddin

On Fri, 30 Aug 2019, 9:53 pm Raghul, <raghul351991@gmail.com> wrote:
Background: A welder tests on an NPS 6 Sch. 80 (0.432 in. wall) coupon, depositing 0.100 in. of E6010 and the balance of 0.332 in. using E7018.

Question (1): Using E6010, is the welder qualified to deposit 0.864 in. maximum of weld metal?

Reply (1): Yes.

Question (2): Using E7018, is the welder qualified to deposit 0.664 in. maximum of weld metal?

Reply (2): Yes.

Question (3): Is the welder qualified to deposit 0.864 in. of weld metal using E6010 plus 0.664 in. of E7018 weld metal deposit thickness for a total of 1.528 in. in the same groove?

Reply (3): No

Above clauses are get from ASME ix interpretation.

Please explain  Using E6010, how the welder qualified to deposit 0.864 in. maximum of weld metal???????

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[MW:35346] Cast-iron welding

Any advice for cast iron welding Sent from Yahoo Mail for iPhone