Monday, April 25, 2022

Re: [MW:33054] P11 material hardness value

Inline image

Please give some details regarding below, as anyone in the Group may provide solution to you.

1. Hardness Location (Weld & HAZ)
2. Type of Hardness Test, Vicker's, Brinell or Rebound Hardness Tester.
3. PWHT cycle, soaking temperature, Time, Heating Rate & Cooling Rate.
4. Welding Heat Input
5. Maximum temperature in The Tubes(steam)
6. Any additional details which you may feel may be useful.

380HB is way out of Rectification and let's seek experts advise.

Thanks & Regards

J.Gerald Jayakumar



On Monday, 25 April, 2022, 11:49:16 am GMT+4, Chiranjeevi A <chiranjeevipuvvula@gmail.com> wrote:


Dear james,

Good morning, 

Please find the below details, the following issue is related to the boiler steam drum tubes

  Base Tube material: A213 T11

  Obtained hardness value after PWHT : 380HB

  WPS value: 238HB
  
Thanks & regards
Chiranjeevi Anil


On Mon, 25 Apr 2022, 05:47 'james gerald' via Materials & Welding, <materials-welding@googlegroups.com> wrote:
Pls provide some additional details.
Hardness values obtained.
Base Pipe/ PQR / Production Hardness

Thanks & Regards

J.Gerald Jayakumar




On Monday, 25 April, 2022, 07:13:14 am GMT+4, Chiranjeevi A <chiranjeevipuvvula@gmail.com> wrote:


Dear experts,

We have an issue in the hardness value for P11 material of pipe.

If the value exceeds what are the matigations required.

Kindly advice

Thanks and Regards
chiranjeevi

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By - No comments:

Re: [MW:33052] P11 material hardness value

Pls provide some additional details.
Hardness values obtained.
Base Pipe/ PQR / Production Hardness

Thanks & Regards

J.Gerald Jayakumar




On Monday, 25 April, 2022, 07:13:14 am GMT+4, Chiranjeevi A <chiranjeevipuvvula@gmail.com> wrote:


Dear experts,

We have an issue in the hardness value for P11 material of pipe.

If the value exceeds what are the matigations required.

Kindly advice

Thanks and Regards
chiranjeevi

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Monday, April 11, 2022

Re: [MW:33043] Fwd: WPS TO QUALIFY THE OF THE WELDER

Sometimes it is unavoidable that some Nozzle welds overlap Circum seam or Longitudinal seam, in that case the circum seam or Longitudinal weld seam shall be flush grinded and RT performed before welding and after successful RT results the Nozzle weld may be welded over flush grinded seam and perform necessary NDT after welding.

I believe your question is Nozzle weld overlapping longitudinal seam.

Thanks & Regards

J.Gerald Jayakumar




On Monday, 11 April, 2022, 08:54:50 am IST, prasad loke <prasadloke27@gmail.com> wrote:


Dear experts , 

I need valuable guidance on following,

Overlapping of circumferential weld joint over longitudinal weld joint in pressure nozzle is acceptable ?  If yes , then as per which reference standard and clause

Thanks 

Regards
Prasad 

On Mon, 4 Apr 2022, 9:11 am Rene Alvarado, <rene.alvarado.lozano@gmail.com> wrote:

Thanks Karthik but I'm sorry because the wording of my question was wrong.

Our WPS-XXX was qualified in 2012 = SMAW / Manual / P·No.: 1 Group No 1 y 2 a P-No: 34 Group No. N/A with 0.237" thickness in position 6G (SA-106 Gr. B to SB-466 ALLOY 706) with backing ring (SA-36) / Filler metal E-NiCu-7 of 3/32" and 1/8" / minimum preheat temperature 400° F and interpass temperature 600° F.

Nowadays in the year 2022 we need to qualify a welder in fillet welding according to the Figure QW-462.4(c) pipe to pipe of ASME IX using the WPS-XXX described above.

Question: Can we use the WPS-XXX to qualify the welder in fillet welding according to the Figure QW-462.4(c) pipe to pipe of ASME IX?

Thank very much


El vie, 1 abr 2022 a la(s) 01:44, 'Karthik' via Materials & Welding (materials-welding@googlegroups.com) escribió:
Hi,
As per Table QW451.4 All Groove weld test qualified for All fillet sizes on all base metal thicknesses and all diameters.


Thanks& Regards,

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


On Friday, April 1, 2022, 10:11:08 AM GMT+7, Rene Alvarado <rene.alvarado.lozano@gmail.com> wrote:


FE DE ERRATAS

 

Can I use a WPS qualified with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.237" and with backing ring to qualify the skill of the welder in fillet welding with the SMAW process in position 5F on pipes Copper Nickel ( O.D. 2 ½" thickness 0.280") to Carbon Steel (O.D. 3" schedule 160 in accordance ASME IX?

 

Thanks

---------- Forwarded message ---------
De: Rene Alvarado <rene.alvarado.lozano@gmail.com>
Date: jue, 31 mar 2022 a la(s) 08:40
Subject: WPS TO QUALIFY THE OF THE WELDER
To: <materials-welding@googlegroups.com>


Experts

 

Can I use a WPS qualified with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.237" and with backing ring to qualify the skill of the welder in fillet welding with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.125"  ?

 

Thanks

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Tuesday, April 5, 2022

Re: [MW:33032] channels and bonnets with six or more tube passes

since it is 6 pass, required

On Tue, 5 Apr 2022 at 16:36, 'manohar matcha' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Please look into the attachment and advise that pwht is applicable for these channels as per API 660 clause 9.6.9 (a) or not?
Both channels are belongs to one HE.
Regards,
Manohar.

ClauseFrom: Raghuram Bathula <raghurambathula@gmail.com>
Sent: Tue, 05 Apr 2022 15:37:49
To: Materials-Welding <materials-welding@googlegroups.com>
Subject: Re: [MW:33030] channels and bonnets with six or more tube passes
 
it is from one end of HE to another end is consider as 1 pass (not individual channel)
 
On Tue, 5 Apr 2022 at 15:22, 'manohar matcha' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Dear Group Members,

Please share your opinion/interpretation on API 660 Clause 9.6.9 (a)


 
Tube passes to be considered for individual channel or both channels (if Exchanger is having 2 channels)?
 
in other words:
Individual Channel passes to be considered or cumulative passes for both channels to be considered..?

Regards,
Manohar.

 

 

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Re: [MW:33031] channels and bonnets with six or more tube passes

Please look into the attachment and advise that pwht is applicable for these channels as per API 660 clause 9.6.9 (a) or not?
Both channels are belongs to one HE.
Regards,
Manohar.

ClauseFrom: Raghuram Bathula <raghurambathula@gmail.com>
Sent: Tue, 05 Apr 2022 15:37:49
To: Materials-Welding <materials-welding@googlegroups.com>
Subject: Re: [MW:33030] channels and bonnets with six or more tube passes
 
it is from one end of HE to another end is consider as 1 pass (not individual channel)
 
On Tue, 5 Apr 2022 at 15:22, 'manohar matcha' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Dear Group Members,

Please share your opinion/interpretation on API 660 Clause 9.6.9 (a)


 
Tube passes to be considered for individual channel or both channels (if Exchanger is having 2 channels)?
 
in other words:
Individual Channel passes to be considered or cumulative passes for both channels to be considered..?

Regards,
Manohar.

 

 

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Re: [MW:33030] channels and bonnets with six or more tube passes

it is from one end of HE to another end is consider as 1 pass (not individual channel)

On Tue, 5 Apr 2022 at 15:22, 'manohar matcha' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Dear Group Members,

Please share your opinion/interpretation on API 660 Clause 9.6.9 (a)


 
Tube passes to be considered for individual channel or both channels (if Exchanger is having 2 channels)?
 
in other words:
Individual Channel passes to be considered or cumulative passes for both channels to be considered..?

Regards,
Manohar.

 

--

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By - No comments:

[MW:33029] channels and bonnets with six or more tube passes

Dear Group Members,

Please share your opinion/interpretation on API 660 Clause 9.6.9 (a)


 
Tube passes to be considered for individual channel or both channels (if Exchanger is having 2 channels)?
 
in other words:
Individual Channel passes to be considered or cumulative passes for both channels to be considered..?

Regards,
Manohar.

 

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Re: [MW:33025] Fwd: WPS TO QUALIFY THE OF THE WELDER

Hi,
As per QG 108, Qualified WPS's are still valid and you use those WPS's for your welder qualification according to the qualidcation.

QG-108 QUALIFICATIONS MADE TO PREVIOUS
EDITIONS
Joining procedures, procedure qualifications, and performance
qualifications that were made in accordance
with Editions and Addenda of this Section as far back as
the 1962 Edition may be used in any construction for
which the current Edition has been specified.
Joining procedures, procedure qualifications, and performance
qualifications that were made in accordance
with Editions and Addenda of this Section prior to the
1962 Edition may be used in any construction for which
the current Edition has been specified provided the requirements
of the 1962 Edition or any later edition have
been met.
Procedure specifications, PQRs, and performance qualification
records meeting the above requirements do not
require amendment to include any variables required
by later Editions and Addenda, except as specified in
QW-420. Qualification of new procedure specifications
for joining processes, and performance qualifications for
persons applying them, shall be in accordance with the
current Edition of Section IX.


Thanks& Regards,

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


On Monday, April 4, 2022, 11:10:32 AM GMT+7, Rene Alvarado <rene.alvarado.lozano@gmail.com> wrote:


Thanks Karthik but I'm sorry because the wording of my question was wrong.

Our WPS-XXX was qualified in 2012 = SMAW / Manual / P·No.: 1 Group No 1 y 2 a P-No: 34 Group No. N/A with 0.237" thickness in position 6G (SA-106 Gr. B to SB-466 ALLOY 706) with backing ring (SA-36) / Filler metal E-NiCu-7 of 3/32" and 1/8" / minimum preheat temperature 400° F and interpass temperature 600° F.

Nowadays in the year 2022 we need to qualify a welder in fillet welding according to the Figure QW-462.4(c) pipe to pipe of ASME IX using the WPS-XXX described above.

Question: Can we use the WPS-XXX to qualify the welder in fillet welding according to the Figure QW-462.4(c) pipe to pipe of ASME IX?

Thank very much


El vie, 1 abr 2022 a la(s) 01:44, 'Karthik' via Materials & Welding (materials-welding@googlegroups.com) escribió:
Hi,
As per Table QW451.4 All Groove weld test qualified for All fillet sizes on all base metal thicknesses and all diameters.


Thanks& Regards,

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


On Friday, April 1, 2022, 10:11:08 AM GMT+7, Rene Alvarado <rene.alvarado.lozano@gmail.com> wrote:


FE DE ERRATAS

 

Can I use a WPS qualified with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.237" and with backing ring to qualify the skill of the welder in fillet welding with the SMAW process in position 5F on pipes Copper Nickel ( O.D. 2 ½" thickness 0.280") to Carbon Steel (O.D. 3" schedule 160 in accordance ASME IX?

 

Thanks

---------- Forwarded message ---------
De: Rene Alvarado <rene.alvarado.lozano@gmail.com>
Date: jue, 31 mar 2022 a la(s) 08:40
Subject: WPS TO QUALIFY THE OF THE WELDER
To: <materials-welding@googlegroups.com>


Experts

 

Can I use a WPS qualified with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.237" and with backing ring to qualify the skill of the welder in fillet welding with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.125"  ?

 

Thanks

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Re: [MW:33025] Qualification of Different group Nos for P1 material having Impact & PWHT

Hi.
In your case YES. Group number is supplementary essential variable

QW-403.5 Welding procedure specifications shall be
qualified using one of the following:
(a) the same base metal (including type or grade) to be
used in production welding
(b) for ferrous materials, a base metal listed in the
same P‐Number Group Number in Table QW/QB-422 as
the base metal to be used in production welding
(c) for nonferrous materials, a base metal listed with
the same P‐Number UNS Number in Table QW/QB-422
as the base metal to be used in production welding
For ferrous materials in Table QW/QB-422, a procedure
qualification shall be made for each P‐Number
Group Number combination of base metals, even though
procedure qualification tests have been made for each
of the two base metals welded to itself. If, however, two
or more qualification records have the same essential
and supplementary essential variables, except that the
base metals are assigned to different Group Numbers
within the same P‐Number, then the combination of base
metals is also qualified. In addition, when base metals of
two different Group Numbers within the same P-Number
are qualified using a single test coupon, that coupon qualifies
the welding of those two Group Numbers within the
same P-Number to themselves as well as to each other
using the variables qualified.
This variable does not apply when toughness testing of
the heat‐affected zone is not required by other Sections.


Thanks& Regards,

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


On Tuesday, April 5, 2022, 02:18:18 PM GMT+7, Karthik <karthik6684@yahoo.com> wrote:


Hi,
No. Group Number is a Supplementary essential variable.


Thanks& Regards,

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


On Monday, April 4, 2022, 04:25:20 PM GMT+7, Brijesh Maurya <brijeshmaurya492@gmail.com> wrote:


Dear experts,
I have query regarding QW-403.5
In my job, both impact & Pwht applicable.

My query is, If I qualify PQR with P1G1 with P1G2, then will my WPS be qualified for P1G1 TO P1G2, P1G1 WITH P1G1 & P1G2 TO P1G2?
Welding process: GTAW+SMAW & GTAW ( 2 PQR)



Regards,
Brijesh Maurya

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By - No comments:

Re: [MW:33025] Qualification of Different group Nos for P1 material having Impact & PWHT

Hi,
No. Group Number is a Supplementary essential variable.


Thanks& Regards,

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


On Monday, April 4, 2022, 04:25:20 PM GMT+7, Brijesh Maurya <brijeshmaurya492@gmail.com> wrote:


Dear experts,
I have query regarding QW-403.5
In my job, both impact & Pwht applicable.

My query is, If I qualify PQR with P1G1 with P1G2, then will my WPS be qualified for P1G1 TO P1G2, P1G1 WITH P1G1 & P1G2 TO P1G2?
Welding process: GTAW+SMAW & GTAW ( 2 PQR)



Regards,
Brijesh Maurya

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Re: [MW:33025] Welder qualification related query

Hi,
As per ASME Sec.IX - Non Mandatory Appendix- L - L100, If a welder qualified as per ISO 9606 also qualified for ASME Sec.IX. You should prepare Welder Qualification record as per ASME Sec.IX with actual values of qualification in ISO 9606.
Please find the attached pages from ASME Sec.IX for your reference.

L-100 INTRODUCTION
When a welder or a welding operator welds a test coupon
or makes a production weld, that person does not
weld one way when the applicable standard is ASME
and another way when the applicable standard is AWS,
EN, JIS, or ISO. Recognizing this, recent revisions by ISO
TC44, to ISO 9606-1, and ISO 14732 bring them much closer
to the requirements of Section IX. This Appendix discusses
what is necessary for an organization that is
testing welders or welding operators under the above
ISO standards to also certify that those welders and welding
operators are qualified to Section IX.
This Appendix is based on the requirements of ISO
9606-1:2012 and ISO 14732:2013.

L-300 TECHNICAL REQUIREMENTS
The qualification record must record the essential variables
for the welding process and list the ranges qualified.
While the "actual values" recorded on the test record will
be the same as for a test record prepared according to
ISO 9606-1 or ISO 14732, the ranges qualified will be different
for a record prepared according to Section IX.
Care should be taken to select material used for the test
coupon from those that are assigned a P-Number under
QW-420 and filler metals that are assigned F-Numbers
in accordance with QW-432 in order to ensure full interchangeability
with other materials that are assigned
P-Numbers or F-Numbers.
Since the forms may be in any format as long as the actual
values, ranges qualified, and test results are recorded,
a record showing the ranges qualified under both ISO and
ASME may be on separate forms or they may be on one
form at the discretion of the organization.



Thanks& Regards,

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


On Monday, April 4, 2022, 04:30:26 PM GMT+7, 'sangram routray' via Materials & Welding <materials-welding@googlegroups.com> wrote:


Dear Experts,

one welder is qualified as per ISO 9606,
can he weld the job as per ASME B31.3 ?  As per project specification Welder qualification required as per ASME Sec-IX.

Thanks & Regards

Sangramkeshari Routaray
Cswip3.1, NDT level-II (UT,RT,MT & PT)
ISO Lead Auditor 9001:2015
MOB NO. +91-8249921885

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Monday, April 4, 2022

[MW:33022] Welder qualification related query

Dear Experts,

one welder is qualified as per ISO 9606,
can he weld the job as per ASME B31.3 ?  As per project specification Welder qualification required as per ASME Sec-IX.

Thanks & Regards

Sangramkeshari Routaray
Cswip3.1, NDT level-II (UT,RT,MT & PT)
ISO Lead Auditor 9001:2015
MOB NO. +91-8249921885

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Friday, April 1, 2022

Re: [MW:33019] Black soot in MIG

how many passes are you welding. If it is more than one try FCAW for the 2nd pass as it would provide an scavenging action and forms light density slag of Al2O3

Thanks & Regards

J.Gerald Jayakumar



On Friday, 1 April, 2022, 05:16:43 pm IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote:


I thought of doing the same too, however, it will cost me down time to remove the surface aluminium of all the items (about 40k pieces). You are correct that it is natural tendency for aluminium to oxidize when diffused with the weld arc, although this seems to be illusive, would changing the gas flow rate(to higher), welding progression(from pull to push) and angle of torch and contact tip to work distance (CTWD) will help eliminate the black soot? I have not tried those I mentioned yet except adjusting the CTWD to much closer distance to base material but surely I will try and see if that would work. I you think I missed something out please feel free to mention it.

If this black soot still occurs, I might switch to High Purity Argon as my last resort and see if thats going to be a success. I let you guys know the result of this experiment shortly. I appreciate all your inputs.

Regards,
Anton

On Fri, 1 Apr 2022 at 7:10 PM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Sorry i mistook it to be aluminium alloy 7065. IN Aluminiumized sheets welded using carbon steel filler you can prevent black spots by removing aluminium  from the steel sheet in the area of welding  and avoid diffusion of Al into weld metal as Al as a naturally tendency to oxidize as Al2O3

Thanks & Regards

J.Gerald Jayakumar




On Friday, 1 April, 2022, 04:25:10 pm IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote:


This is actually for motorcycle industry and the base material is not of any kind of pure aluminium series. It is an aluminized sheet welded by a robotic MIG using a normal carbon steel filler wire. With given parameters in the email thread.

Regards,
Anton

On Fri, 1 Apr 2022 at 6:24 PM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
seems to be like Aluminium alloy with slight additions of Zn, Mg & Cu mostly in Aerospace industries,

Thanks & Regards

J.Gerald Jayakumar



On Friday, 1 April, 2022, 09:26:43 am IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote:


Filler wire is ER70-6S @0.8 diameter size. 

On Fri, 1 Apr 2022 at 11:45 AM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:
what is welding rod classification

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, Mar 31, 2022 at 3:36 PM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Try AC current

Thanks & Regards

J.Gerald Jayakumar




On Thursday, 31 March, 2022, 01:03:59 pm IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote:


Dear experts,

We have been welding aluminized sheet using MIG welder with the following parameters:

Amps: 125
Volts: 29.5
TS: 50cm/min
Gas flow rate: 12L/min
Gas type : 18%CO2 and 82%Ar

However, I cant get rid of black soot (smoke) in the weld vicinity. What do you think, is the best way to do to achieve cleaner weld in aluminized sheet such as this? 

Refer to attached photo for reference.



Thanks in advance for your expert advice.

Regards,
Anthony
--
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TWI AWeldI

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TWI AWeldI

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TWI AWeldI

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TWI AWeldI

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Re: [MW:33016] Black soot in MIG

Sorry i mistook it to be aluminium alloy 7065. IN Aluminiumized sheets welded using carbon steel filler you can prevent black spots by removing aluminium  from the steel sheet in the area of welding  and avoid diffusion of Al into weld metal as Al as a naturally tendency to oxidize as Al2O3

Thanks & Regards

J.Gerald Jayakumar




On Friday, 1 April, 2022, 04:25:10 pm IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote:


This is actually for motorcycle industry and the base material is not of any kind of pure aluminium series. It is an aluminized sheet welded by a robotic MIG using a normal carbon steel filler wire. With given parameters in the email thread.

Regards,
Anton

On Fri, 1 Apr 2022 at 6:24 PM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
seems to be like Aluminium alloy with slight additions of Zn, Mg & Cu mostly in Aerospace industries,

Thanks & Regards

J.Gerald Jayakumar



On Friday, 1 April, 2022, 09:26:43 am IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote:


Filler wire is ER70-6S @0.8 diameter size. 

On Fri, 1 Apr 2022 at 11:45 AM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:
what is welding rod classification

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, Mar 31, 2022 at 3:36 PM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Try AC current

Thanks & Regards

J.Gerald Jayakumar




On Thursday, 31 March, 2022, 01:03:59 pm IST, Anthony Dalisay <anthonydalisay6@gmail.com> wrote:


Dear experts,

We have been welding aluminized sheet using MIG welder with the following parameters:

Amps: 125
Volts: 29.5
TS: 50cm/min
Gas flow rate: 12L/min
Gas type : 18%CO2 and 82%Ar

However, I cant get rid of black soot (smoke) in the weld vicinity. What do you think, is the best way to do to achieve cleaner weld in aluminized sheet such as this? 

Refer to attached photo for reference.



Thanks in advance for your expert advice.

Regards,
Anthony
--
Anthony Dipasupil Dalisay
TWI AWeldI

--
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
---
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Anthony Dipasupil Dalisay
TWI AWeldI

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TWI AWeldI

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[MW:35346] Cast-iron welding

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

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