Materials & Welding: November 2014

Sunday, November 30, 2014

RE: [MW:22428] WPS - In service welding

Hera are some recommendations to qualify PQR for In service welding of split Tee.

· The requirement for production welding in section 5/7 should be applied to in-service welding except for the additional requirement given in the appendix-B.

· For circumferential fillet weld Dia, thickness and base metal are not the essential variables as per Appendix B, Para B.2.2.1.1 and 2.2.1.3.(additional requirements) but not for longitudinal groove weld.

· For in service welding PQR needs to be qualified as per fig B-2.

· Mechanical test should be as per Table B-1.

· C.E and pipe operating conditions shall be mentioned in the procedure.

Regards

Faisal Shahzad Meer

TEL :+966 3 6795805-7 Ext. 124|www.gccksa.com

E-mail fmeer@gccksa.com

+966 - 553919249

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of anas k
Sent: Saturday, November 29, 2014 5:25 PM
To: materials-welding@googlegroups.com
Subject: [MW:22419] WPS - In service welding

Dear Experts,

I am in a situation to establish WPS for in service piping as per 1104 Annex B. The WPS is for a split tee tie in joint (Encirclement Tee)

Split tee ASTM A 516 Grade B

Header pipe 24" sch 60 (API 5L Grade B)

How to select the thickness range ?

How to select dia range ?

What are the essential variables ?

Please guide me to make a preliminary WPS.

Thanks & Regards

Anas Karanath

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RE: [MW:22425] G type consumable

Pravin,

Here's some update from Sec-II, Pt-C and Sec-IX on "G" class welding filler metals. In addition to the answers provided below this information will help you to understand the rationale behind "G" type welding consumables.

Note,ER-70S-G does not differ much with respect to mechanical properties as compared to respect on the filler grades in SFA -5.18.

As explained below "G" class is specific application base consumable, where the composition, properties are as agreed between the supplier and the purchaser. However if the consumable falls within the A No range of QW-442, consumable manufacturer may assign the A No to the product(As John Henning had mentioned in his response).

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

A2.3 “G” Classification:- A2.3.1 This specification includes filler metals classified as ER70S-G [ER48S-G], E70C-G [E48C-G], and E70C-GS [E48C-GS]. The “G” (multiple pass) or “GS” (single pass) indicates that the filler metal is of a “general” classification. It is general because not all of the particular requirements specified for each of the other classifications are specified for this classification. The intent in establishing these classifications is to provide a means by which filler metals that differ in one respect or another (chemical composition, for example) from all other classifications (meaning that the composition of the filler metal, in the case of the example, does not meet the composition specified for any of the classifications in the specification) can still be classified according to the specification.

The purpose is to allow a useful filler metal—ne that otherwise would have to await a revision of the specification —to be classified immediately under the existing specification. This means, then, that two filler metals, each bearing the same “G” classification, may be quite different in some particular respect (chemical composition, again, for example).

ASME Sec-IX

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of george.dilintas@gr.bureauveritas.com
Sent: Saturday, November 29, 2014 3:19 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:22422] G type consumable

The A-number is not assigned. It is determined on the basis of the actual chemical composition of the weld metal.
For certain processes (GMAW, SAW, ....) a chemical analysis of the weld metal is required.

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)

John Henning ---28/11/2014 19:16:59---A -G consumable does not meet any particular ASME/AWS SFA/A-5.x classification chemistry. This does

From: John Henning <jhenning@deltak.com>
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Date: 28/11/2014 19:16
Subject: Re: [MW:22400] G type consumable
Sent by: materials-welding@googlegroups.com

A -G consumable does not meet any particular ASME/AWS SFA/A-5.x classification chemistry. This does not mean that it will not meet a Section IX A-Number chemistry range. You would need to evaluate the filler metal manufacturer's specified chemistry range to see if it fits one of the A-number chemistry ranges. Alternatively, you can specificy that the filler metal must meet a certain range. While not a G filler metal, I typically specify that ER70S-6 must meet the A-Number 1 chemistry requirements.

From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> on behalf of Pravin Poornachandran <htcispravin@gmail.com>
Sent: Friday, November 28, 2014 5:58 AM
To: materials-welding@googlegroups.com
Subject: [MW:22396] G type consumable

Dear expert,
Is it true that all G type consumable example ER70S-G don't have A number under ASME?
This group only have F number? Is it true?
Kindly advice.

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[MW:22426] Heat input in GTAW- P- HW

Hello, with pulsed you should use only peak amperage if you weld under asme IX requirements only, then only max HI isan essential variable. As you cannot measure peak value only (because of the pulse) with an arc logger or a clamp ampmeter set peak value on generator should be considered (not the one for hot wire). If you want to measure the amperage then this is more an average value that you measure rather than a maximum and the WPS should indicates it you consider measurement in production rather than max set value.

Regards,
Rėmi

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Re: [MW:22424] RT for thickenss

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None, not possible at industrial scale

(See attached file: Dilintas_George.vcf)

"S.Mohammed" ---29/11/2014 08:05:27---Dear all, Which RT.technique should we use for thickness measurement?

From: "S.Mohammed" <mohd52100@gmail.com>
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Date: 29/11/2014 08:05
Subject: [MW:22405] RT for thickenss
Sent by: materials-welding@googlegroups.com

Dear all,

Which RT.technique should we use for thickness measurement?

For pipe 1" sch 80 to 20"

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Re: [MW:22426] Aluminum TIG Weld-Bending

Dear sir,

Please check usage of wrap around bend instead of roller bend.

Regards,
Maulik
Welding engg.
L&T, Hazira

On Nov 28, 2014 10:50 PM, "meisam shokri arfaei" <meisamshokri@gmail.com> wrote:

Dear friend,
Before any recommendation about welding note that for some material grades like yours, with low elongation (in your case 16% min requirement), the laboratory has to care about bending mandrel diameter. You could check QW-466.1 for better understanding of proper jig dimension.

Regards

On Thu, Nov 27, 2014 at 5:35 PM, Mohd Azam <azam1976@gmail.com> wrote:

Dear Experts,

We are facing the problem bend test failure for Aluminum TIG welding. Its failing for HAZ and getting crack for transverse face bend, Root bend sample (10 mm thickness as welded sample). Pls give some details to bend for aluminum sample, If anyone have experience in aluminum TIG welding. Pls share your experience and provide some welding guideline. What could be the reason of failure or the bend testing requirement for Aluminum welding.

Process:           GTAW

Filler:                ER5183

Base Material:   ASME SB209 Grade 5083-O

Code:               ASME IX

Thickness:        10 mm

Thanks & Regards,

Mohd. Azam

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Re: [MW:22423] Number of minimum RT poses for different diameters&thickness

Have a look on the Figures of Article 2 in ASME Section V

(See attached file: Dilintas_George.vcf)

tugrulhan özdemir ---28/11/2014 19:20:10---Dear experts Do you know any guidence about number of minimum RT poses for different

From: tugrulhan özdemir <tugrulhan9@gmail.com>
To: materials-welding@googlegroups.com
Date: 28/11/2014 19:20
Subject: [MW:22401] Number of minimum RT poses for different diameters&thickness
Sent by: materials-welding@googlegroups.com

Dear experts

Do you know any guidence about number of minimum RT poses for different diameters&thickness ?

Regards

Tugrulhan

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Re: [MW:22422] G type consumable

(See attached file: Dilintas_George.vcf)

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Saturday, November 29, 2014

[MW:22421] RE: 22420] how to realise that the film is D4 or D7 , at the timeof film evaluation

Dear friend,
In each 20cm of the film you could see the marking on the film. It's not too much clear and need a little focus.

From: tugrulhan özdemir
Sent: ‎11/‎29/‎2014 20:59
To: materials-welding@googlegroups.com
Subject: [MW:22420] how to realise that the film is D4 or D7 , at the timeof film evaluation

Dear Experts

Is there any way to understand that the film under review is D4 or D7 ? , at the time of evaluation.

Note: Agfa roll pack films

Regards

Tugrulhan

[MW:22420] how to realise that the film is D4 or D7 , at the time of film evaluation

Dear Experts

Is there any way to understand that the film under review is D4 or D7 ? , at the time of evaluation.

Note: Agfa roll pack films

Regards

Tugrulhan

Re: [MW:22413] RT for thickenss

profile RT can be use

On Sat, Nov 29, 2014 at 8:26 AM, S.Mohammed <mohd52100@gmail.com> wrote:

Dear all,

Which RT.technique should we use for thickness measurement?

For pipe 1" sch 80 to 20"

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Re: [MW:22413] 2 images in 1 film , X-ray

Image looks you didnt do DWSI technique. If you do proper contact it will come alright. 1 image is normal and another is enlarged.
Regards,
S.SENTHILKUMAR

--------------------------------------------
On Fri, 28/11/14, tugrulhan özdemir <tugrulhan9@gmail.com> wrote:

Subject: [MW:22404] 2 images in 1 film , X-ray
To: materials-welding@googlegroups.com
Date: Friday, 28 November, 2014, 6:23 PM

Dear Experts

6" Dia , 9,53mm
thickness pipe, X-Ray method RT performed
. Two images of same pipe found at the time of
evaluation. I wonder is that acceptable or not?

Photo of film is attached with this mail

Regards

Tugrulhan

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Re: [MW:22415] Radiographic density

Please don't publish unacceptable conclusion and you dont know the Consequence.

Regards,
S.SENTHILKUMAR

--------------------------------------------
On Thu, 27/11/14, Nandesh Kumar <nandeshkumar@rocketmail.com> wrote:

Subject: Re: [MW:22387] Radiographic density
To: materials-welding@googlegroups.com
Date: Thursday, 27 November, 2014, 10:24 AM

Even though, it is not
advisable, you can use 'Potassium Permanganate
solution' for decreasing the density!

ವಂದನೆಗಳೊಂದಿಗೆ / Best
regards,

Nandesh Kumar
Arasappa

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

--------------------------------------------
On Thu, 27/11/14, meisam shokri arfaei <meisamshokri@gmail.com>
wrote:

Subject: Re:
[MW:22381] Radiographic density
To: materials-welding@googlegroups.com
Date: Thursday, 27 November, 2014, 12:12 PM

Dear

friend,No way. However before film processing you could
balance the density with the time of
development and
actually this is not
recommended.
Regards
On
Wed, Nov 26, 2014 at
7:00 PM, S.Mohammed
<mohd52100@gmail.com>
wrote:
Dear

all
Is there any way to.correct RT film
density(high or low)
after RT?
We have some joints rehsoot due to density
which cant be
re RT due to line put into
service.
Regards

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Re: [MW:22416] 2 images in 1 film , X-ray

In my opinion,

Rejection of film is easy to say. But the root causes and technical difficulties are to be analysed.
Rejecting a film based on what is available in the specification, in my opinion, is not a healthy habit. Rejection consumes time, money and resources.

Many times logical and proactive involvement makes things to move ahead.

On Nov 29, 2014 11:37 AM, "meisam shokri arfaei" <meisamshokri@gmail.com> wrote:

Dear friend,
This is a popular technique in pipe radiography. If requirements for film (sharpness, sensitivity, density, ...) was O.K., the technique won't be a concern.

Regards

On Fri, Nov 28, 2014 at 8:53 PM, tugrulhan özdemir <tugrulhan9@gmail.com> wrote:
Dear Experts

6" Dia , 9,53mm thickness pipe, X-Ray method RT performed . Two images of same pipe found at the time of evaluation. I wonder is that acceptable or not?

Photo of film is attached with this mail

Regards

Tugrulhan

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Re: [MW:22417] RT for thickenss

Dear Sir,
Why not thickness measurement meters not used?

There a number of instruments available in the market based on UT also.

In RT take the radiography with step wedge densitometer and can compare the thickness using the density variation.

Please see other expert opinions in this group.

On Nov 29, 2014 11:35 AM, "S.Mohammed" <mohd52100@gmail.com> wrote:

Dear all,

Which RT.technique should we use for thickness measurement?

For pipe 1" sch 80 to 20"

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Re: [MW:22417] Aluminum TIG Weld-Bending

Dear Mohd,

Could you please share edge preparation, welding current?, no of passages?

Weld paramaters?

THanks

Amit

On Thu, Nov 27, 2014 at 7:35 PM, Mohd Azam <azam1976@gmail.com> wrote:

Dear Experts,

We are facing the problem bend test failure for Aluminum TIG welding. Its failing for HAZ and getting crack for transverse face bend, Root bend sample (10 mm thickness as welded sample). Pls give some details to bend for aluminum sample, If anyone have experience in aluminum TIG welding. Pls share your experience and provide some welding guideline. What could be the reason of failure or the bend testing requirement for Aluminum welding.

Process:           GTAW

Filler:                ER5183

Base Material:   ASME SB209 Grade 5083-O

Code:               ASME IX

Thickness:        10 mm

Thanks & Regards,

Mohd. Azam

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[MW:22419] WPS - In service welding

Dear Experts,

I am in a situation to establish WPS for in service piping as per 1104 Annex B. The WPS is for a split tee tie in joint (Encirclement Tee)

Split tee ASTM A 516 Grade B

Header pipe 24" sch 60 (API 5L Grade B)

How to select the thickness range ?

How to select dia range ?

What are the essential variables ?

Please guide me to make a preliminary WPS.

Thanks & Regards

Anas Karanath

[MW:22405] RT for thickenss

Dear all,

Which RT.technique should we use for thickness measurement?

For pipe 1" sch 80 to 20"

Re: [MW:22406] 2 images in 1 film , X-ray

Dear sir,

its need to inform you that i think there is some scattered radiation are seen, Rejected.

On Fri, Nov 28, 2014 at 9:23 PM, tugrulhan özdemir <tugrulhan9@gmail.com> wrote:

Dear Experts

6" Dia , 9,53mm thickness pipe, X-Ray method RT performed . Two images of same pipe found at the time of evaluation. I wonder is that acceptable or not?

Photo of film is attached with this mail

Regards

Tugrulhan

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DINESH VITTHAL SOMWANSHI

BACHELOR IN MECHANICAL ENGINEER

AUTHORIZED WELDING / NDT / PAINTING INSPECTION PERSONNEL,

AWS - CWI , CSWIP 3.1

BGAS Gr 2 / 3

NDT II -UT , RT , MT , PT, VT

Pray for others, sometime, You might never need to pray for yourself again.....

Re: [MW:22406] Consumable for SS410 to IS2062 Weld joint

309 is best choice

THANKS & BEST REGARDS

KG.PANDITHAN, AWS-CWI, CSWIP 3.1

CONSULTANT-WELDING & QUALITY

On Fri, Nov 28, 2014 at 2:55 PM, Raj Gupta <raj.aryans03@gmail.com> wrote:

Dear Experts,
Kindly suggest FCAW consumable for SS410 And IS2062 MS dissimilar joint.
also how does Nickel affect in dissimilar joint and what Ni percentage generally required for dissimilar joint.
E309Lt1 can be used for SS410&MS IS2062 Joint?
Plz suggest.

Regards
Raj

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Materials & Welding

Sunday, November 30, 2014

RE: [MW:22428] WPS - In service welding

RE: [MW:22425] G type consumable

[MW:22426] Heat input in GTAW- P- HW

Re: [MW:22424] RT for thickenss

Re: [MW:22426] Aluminum TIG Weld-Bending

Re: [MW:22423] Number of minimum RT poses for different diameters&thickness

Re: [MW:22422] G type consumable

Saturday, November 29, 2014

[MW:22421] RE: 22420] how to realise that the film is D4 or D7 , at the timeof film evaluation

[MW:22420] how to realise that the film is D4 or D7 , at the time of film evaluation

Re: [MW:22413] RT for thickenss

Re: [MW:22413] 2 images in 1 film , X-ray

Re: [MW:22415] Radiographic density

Re: [MW:22416] 2 images in 1 film , X-ray

Re: [MW:22417] RT for thickenss

Re: [MW:22417] Aluminum TIG Weld-Bending

[MW:22419] WPS - In service welding

[MW:22405] RT for thickenss

Re: [MW:22406] 2 images in 1 film , X-ray

Re: [MW:22406] Consumable for SS410 to IS2062 Weld joint

[MW:35346] Cast-iron welding

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