[MW:26140] ASME code for fuel piping

Dear experts,

  Could you advice about the ASME construction code for Fuel piping. 

From B31 serie i suppose

Thank you.

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Thanks and Regards, ?

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زكرياء غراب
GHRAB Zakaria 

Yesterday is the past, tomorrow is the future; and today? Today is the present, the gift: Enjoy it!

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[MW:26140] Shell life

Dear friends,
         Can anyone tell us formula for tank shell plate life calculation.
Shell plate thickness initial 20mm
shell plate thickness after 15 years 19mm. Corrosion allowance 1.5 mm.

KVN Rao

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[MW:26139] Aluminum Welding

Any one with experience in Cold Metal Transfer, for 6082 T6 fillet weld with ER4043. I need to share information. Thank you in advance.

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[MW:26137] Aluminum Procedure

I have to discuss a procedure for aluminum welding 6060/6082 T6-T4 with ER4043 using Cold Metal Transfer. I will be very happy if someone could give advice or have experience with this. Best regards.

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[MW:26137] Re: NER and Vacuum for cryogenic tank

Hi M. Georgios Dilintas,

Thanks for your replay.

I correct, Evaporation not Evaluation

For help, I need your experience about the Evaluation of NER by pressure rise methode.

Your response for my preocupation is helpful.

Thanks in advance.

Benadjal Redouane

Mechanical engineer Sonatrach algeria

Le lundi 20 février 2017 10:45:43 UTC, Brl Pp a écrit :

Good morning every body,

Following your knowledge and your experience, please advise me how to determine the nitrogen evaluation rate (NER) for the cryogenic tank.

My question:

-          Is there any code to control the NER?

If no code any procedure or specification on the subject would be appreciated.

Also, following the Manufacture's Data Report for the tank, the acceptance standard maximum is 150 mtorr for 72 hours. Is this value (150 mtorr) mentioned in the codes and standard or just manufacturer's standard?

Thanks in advance.

 

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Re: [MW:26136] Can we use S355J2+N instead of ASTM A36

Hi 

You can use S355J2+N instead of A 36 unless like anthony specified, welding requirements because these materials are not in the assigned list .

Please pay attention on this ...However Client may exempt .

On Mon, Feb 27, 2017 at 11:29 AM, anthony chundal <anthony.chundal@gmail.com> wrote:

S355J2 material is not assigned with any P or Group nos, so in this case you cannot use the same, please advice what is your pipe material,  however in any case if you would like to use S355J2 you will have to qualify welding procedure as this is unassigned material. for A36 it is Pno-1 & Group no-1 which you can use without any issue.

Thanks & Regards,

Anthony.

On Mon, Feb 27, 2017 at 9:12 AM, Lalit Malla <lalit.malla@gmail.com> wrote:

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Dear All,

Can we use S355J2+N plate instead of ASTM A36 plate for pipe support fabrication. In my opinion, S355J2+N is higher grade steel but will there be any problem with client acceptance ?

Your immediate response shall be highly appreciated. Thanks

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Thanks  & Best Regards,

Suresh Paidi

 

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Re: [MW:26134] Can we use S355J2+N instead of ASTM A36

Hi S355 J2+N is much than A36, and your client is likely to accept your substitution

Sent from Yahoo Mail on Android

On Mon, Feb 27, 2017 at 1:21 PM, Lalit Malla

<lalit.malla@gmail.com> wrote:

Dear All,

Can we use S355J2+N plate instead of ASTM A36 plate for pipe support fabrication. In my opinion, S355J2+N is higher grade steel but will there be any problem with client acceptance ?

Your immediate response shall be highly appreciated. Thanks

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Re: [MW:26134] Can we use S355J2+N instead of ASTM A36

S355J2 material is not assigned with any P or Group nos, so in this case you cannot use the same, please advice what is your pipe material,  however in any case if you would like to use S355J2 you will have to qualify welding procedure as this is unassigned material. for A36 it is Pno-1 & Group no-1 which you can use without any issue.

Thanks & Regards,

Anthony.

On Mon, Feb 27, 2017 at 9:12 AM, Lalit Malla <lalit.malla@gmail.com> wrote:

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Dear All,

Can we use S355J2+N plate instead of ASTM A36 plate for pipe support fabrication. In my opinion, S355J2+N is higher grade steel but will there be any problem with client acceptance ?

Your immediate response shall be highly appreciated. Thanks

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Re: [MW:26133] Can we use S355J2+N instead of ASTM A36

Dear Sir,


Very well you can use S355 J2 instead of A36. But the price difference would be more and same time written confirmation shall be obtained from the client.


Thanking You.

With Warm Regards,

Muthu Barathi P.
Mobile : +9184695933

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From: Dinesh Somwanshi <som.din@gmail.com>
Sent: Mon, 27 Feb 2017 11:48:51 GMT+0530
To: materials-welding <materials-welding@googlegroups.com>
Subject: Re: [MW:26132] Can we use S355J2+N instead of ASTM A36

Dear ,

Generally S 355J2 is not getting accepted, If available you  go with s275 grade,as listed in ASME 9, P1G1.

*DINESH VITTHAL SOMWANSHI*

*BACHELOR IN MECHANICAL ENGINEER*

*AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL,*
*API 570 - Piping Inspector,** AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3*
*NDT II -UT , RT , MT , PT, VT*
00919881344135
Skype = dinesh570_1

असो द्यावी दया तुमच्या लागतसे पाया.

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

On Mon, Feb 27, 2017 at 10:42 AM, Lalit Malla <lalit.malla@gmail.com> wrote:

Dear All,

Can we use S355J2+N plate instead of ASTM A36 plate for pipe support fabrication. In my opinion, S355J2+N is higher grade steel but will there be any problem with client acceptance ?

Your immediate response shall be highly appreciated. Thanks

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Re: [MW:26132] Can we use S355J2+N instead of ASTM A36

Dear ,

Generally S 355J2 is not getting accepted, If available you  go with s275 grade,as listed in ASME 9, P1G1.

*DINESH VITTHAL SOMWANSHI*

*BACHELOR IN MECHANICAL ENGINEER*

*AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL,*
*API 570 - Piping Inspector,** AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3*
*NDT II -UT , RT , MT , PT, VT*
00919881344135
Skype = dinesh570_1

असो द्यावी दया तुमच्या लागतसे पाया.

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

On Mon, Feb 27, 2017 at 10:42 AM, Lalit Malla <lalit.malla@gmail.com> wrote:

Dear All,

Can we use S355J2+N plate instead of ASTM A36 plate for pipe support fabrication. In my opinion, S355J2+N is higher grade steel but will there be any problem with client acceptance ?

Your immediate response shall be highly appreciated. Thanks

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[MW:26131] Can we use S355J2+N instead of ASTM A36

Dear All,

Can we use S355J2+N plate instead of ASTM A36 plate for pipe support fabrication. In my opinion, S355J2+N is higher grade steel but will there be any problem with client acceptance ?

Your immediate response shall be highly appreciated. Thanks

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[MW:26129] Mild steel & carbon steel , carbon difference as per code

Dear Sir,

As we all of us known too and always talking about mild steel and carbon steel material.

As I know that, carbon percentage makes a difference to differentiate carbon steel and mild steel. As mild steel has low carbon percentage as compared to carbon steel.

But I want to know that as carbon steel comes in IS2062 category, then mild steel has to be study by which code?

Or
if we say IS 2062 for mild steel plates, then we can concluded that grade C is mild steel while grade A is carbon steel. Is it right.

Basically, I want to know, above which carbon % , material is said to be carbon steel and below which mentioned as mild steel.
In which code or standard it is mentioned?

Regards
Prasad

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[MW:26129] USE AND STORAGE OF WELDING ELECTRODES

Dear Mr.Nachetta 1947,

U have place u r unmathed query in my question and answer series of 2% sensitivity.
Pls avoid to place such a mistake and pls take care in future.
It will create the disturbances in understanding the answering of title question to other users of this forum.

Request to take attention , in future.


Regards
Prasad

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[MW:26128] USE AND STORAGE OF WELDING ELECTRODES

Dear Experts

 

I need the following information with the reference of the code / standard.

 

01.   If the electrodes are kept in the store and are not in sealed container, then

can we use them after Baking as per the manufacturer's recommendations

or not. Please do give the code / Standard  reference

02.   The job as per our WPS is supposed to be heated at 100 Degrees Celsius, how

to check the temperature, I do not have the measure Gun,

03.   As per the WPS the voltage should be 15 to 17 Volts, but is done at 20 Volts,

the current used is 100 Amps as required. What is the effect of this +3 Volts.

Material is WCB and it is only for overlay.

 

Thanks for the information in advance.

 

Nachhattar Singh

 

 

PLEASE THINK BEFORE PRINTING

.

Re: [MW:26127] Re: Regarding 2% sensitivity in radiography film.

hi

I think governing thickness will be dia of pipe...as it is double wall double image / superimpose exposure.

Aly

On Thu, Feb 16, 2017 at 3:44 PM, Rajendra Jadhav <raj04aug@gmail.com> wrote:

Refer UW-51

On Tuesday, January 10, 2017 at 11:43:00 AM UTC+5:30, Prasad Rode wrote:

Dear sir,

I have 1" s.s. pipe having thkness of 4.1mm. We have used x ray quality with D4 size film. We have shown the client, required IQI as per sec V.

But client wants 2% sensitivity as per specification.

Sensitivity= min thk of visible wire/ thk of base metal*100

In our case, sensitivity= 0.20/4.1*100.      
So, it will come as 4.84 % .

So, how we will get 2% sensitivity.

Regards
Prasad

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[MW:26125] Re: Regarding 2% sensitivity in radiography film.

Dear Mr,Ahemad sir, is it possible for any other thickness and in other RT techniques also.

Request to pls confirmed.

Regards
Prasad

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[MW:26125] CAN ANY BODY TELL ME THICKNESS VS IQI SELECTION

See ASME sec V , RT section, table 276.

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[MW:26124] Re: Regarding 2% sensitivity in radiography film.

Gent's.

With X- Ray its is Easily u can Achive the 2% Senstivity in 1" (Give 24" SFD" and to Calculate the 2% Sensitivity SE - 94 use he formula - Achieved wire thickness / Estimated Thickness including Reinforcement Thickness * 100. 

Imtiyaz.

On Tuesday, 10 January 2017 11:43:00 UTC+5:30, Prasad Rode wrote:

Dear sir,

I have 1" s.s. pipe having thkness of 4.1mm. We have used x ray quality with D4 size film. We have shown the client, required IQI as per sec V.

But client wants 2% sensitivity as per specification.

Sensitivity= min thk of visible wire/ thk of base metal*100

In our case, sensitivity= 0.20/4.1*100.      
So, it will come as 4.84 % .

So, how we will get 2% sensitivity.

Regards
Prasad

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[MW:26120] CAN ANY BODY TELL ME THICKNESS VS IQI SELECTION

CAN ANY BODY TELL ME THICKNESS VS IQI SELECTION

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Re: [MW:26120] About GMAW , metal transfer technique recognition

 Only using an oscillograph you can ind out if you are in the short-circuit transfer mode. Check those links:

https://www.lincolnelectric.com/assets/global/products/consumable_miggmawwires-superarc-superarcl-56/c4200.pdf

http://www.esabna.com/euweb/mig_handbook/592mig1_5.htm

As a "general rule"

Typical A range: 30-200 A

Typical V range: 16-22V

wire diameter: below 1,2 mm

Heat input low, risk of lack of fusion 

      

Ho                  The above is only indicative. Only the oscillograph can tell you the trough           

2017-02-20 10:51 GMT+02:00 Kannayeram Gnanapandithan <kgpandithan@gmail.com>:

Arc Voltage less than 21v  is a short circuit/Dip transfer mode

THANKS & BEST REGARDS,

KG.PANDITHAN, IWE,  AWS-CWI, CSWIP 3.1,

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Sun, Feb 19, 2017 at 10:16 PM, Prasad Rode <purode333@gmail.com> wrote:

This message is eligible for Automatic Cleanup! (purode333@gmail.com) Add cleanup rule | More info

Dear sir,

All of we know that in GMAW process, there are three metal transfer techniques.
1) spray transfer.
2) globular transfer
3) short circuiting.

We know that, as per different temperature, voltage and with different shielding gases also, different technique generated.
But, on site and in practicality, how we come to know that welder is using which type of technique.

Regards
Prasad

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Re: [MW:26120] NER and Vacuum for cryogenic tank

Evaluation or Evaporation?

2017-02-20 12:35 GMT+02:00 rbenadjal@avl.sonatrach.dz <refazosaris@gmail.com>:

Good morning every body,

Following your knowledge and your experience, please advise me how to determine the nitrogen evaluation rate (NER) for the cryogenic tank.

My question:

-          Is there any code to control the NER?

If no code any procedure or specification on the subject would be appreciated.

Also, following the Manufacture's Data Report for the tank, the acceptance standard maximum is 150 mtorr for 72 hours. Is this value (150 mtorr) mentioned in the codes and standard or just manufacturer's standard?

Thanks in advance.

 

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Re: [MW:26120] welding positionpp

It seems 4F to me

2017-02-17 8:10 GMT+02:00 Umar Daraz Khan <udkhan@gmail.com>:

Dear

I have attached the photos showing position of joint

Regards

Umar Daraz Khan

On Feb 15, 2017 3:19 PM, "VISHNUDAS MAVUNKASHERY" <36vishnudas@gmail.com> wrote:

attaching a photo of joint will b appreciated

On Mon, Feb 13, 2017 at 8:28 PM, Aslam Khan <aslamkhan4u@gmail.com> wrote:

Dear experts,

I have to weld one plate which is on the top of shell plate which is fillet joint,

Which welding position we have to choose 4 G or 4 F, 

2nd it is not completely 4F,  it is like 3 F.

your quick response will be highly appreciated.

Regards

aslam

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[MW:26119] Re: GOST 1050-88 CT 3

Please tell me Equivalent grade materials for CT-3 
steel. 

On Monday, January 12, 2009 at 7:46:48 AM UTC+5:30, aior wrote:

Hi,
I worked in Russia and hope to share some info with you. The problem
is that Russian standards and specifications are different from ASTM:
There are different GOSTs for different products for the same CT-3
steel.

Steel CT-3 is no longer listed in GOST 1050-88, it is now listed in
GOST 14959-79 which is a product specification for Carbon and Alloyed
Spring Rolled Steel.

In addition, the same steel is listed in various product
specifications:
GOST 535-88 for round bars and shapes.
GOST 14637-89 for plates and sheets.
GOST 8479-70  for forgings.

Typical chemical composition for CT 3 (killed) is: C (0.14-0.22), Si
(0.15-0.30), Mn (0.40-0.65)
Mechanical properties: YS 225-245 MPa min, TS 370-480 MPa min, A
22-26% min (depending on the product thickness). So, it is very close
to A-36.

Hope, it is helpful
aior
Oregon, USA


On Dec 16 2008, 5:54 pm, bagesh....@gmail.com wrote:
> GOST 1050-88 CT-3: Carbon structural quality steel gauged bars with
> special surface finish. General specifications [Replaced By: GOST
> 14959]: Carbonaceous and Alloyed Spring Rolled Steel Specifications
> Incorporates Amendment 1: 11/1982, Amendment 2: 12/1985, Amendment 3:
> 12/1986, Amendment 4: 06/1987, Amendment 5: 01/1989, and Amendment 6:
> 02/1993 [Replaced: GOST 1050] The said standard has been replaced with
> GOST 14959: in which the Grade of Steel you desired is CT3(Russian):
> ST3(English) steels, general purpose steel for Structural steel usage,
> It comes in Various profiles known as Russian steel Profiles, the
> chemical composition of this material is almost same except that of
> Carbon content which is less than that of A36, and it can be used up
> to -70 deg C with impact testing, but before using I would suggest you
> to confirm its Yield strength and tensile strength by comparing the
> percentage elongation.
>
> KUMAR BAGESH
>
> On Dec 16, 6:07 pm, Kim <shihyue...@yahoo.com> wrote:
>
> > What is GOST 1050-88 CT 3? Is it equivalent to ASTM A36?

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Re: [MW:26118] welding positionpp

Please qualified welder in both position , 3F & 4F Position (  if Welder Qualified in 3G & 4G Position welder  will be  eligible for  3F & 4F Position welding  as per ASME Sec. IX. ).

On Mon, Feb 20, 2017 at 8:24 PM, ECHARU <usarasu@gmail.com> wrote:

Friend 3F vertical, 4F overhead, why u have don't choose it.

---

From: Prasad Rode
Sent: ‎20-‎02-‎2017 07:40
To: Materials & Welding
Subject: Re: [MW:26108] welding positionpp

It seems to he 4F.

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RE: [MW:26116] welding positionpp

Friend 3F vertical, 4F overhead, why u have don't choose it.

---

From: Prasad Rode
Sent: ‎20-‎02-‎2017 07:40
To: Materials & Welding
Subject: Re: [MW:26108] welding positionpp

It seems to he 4F.

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RE: [MW:26116] Base metals qualified WPQT AWSD1.1

For wps- table 4.2,
For welder qualifications - table 4.11

Maharaja Elavarasan

---

From: anthony chundal
Sent: ‎20-‎02-‎2017 13:13
To: materials-welding@googlegroups.com
Subject: Re: [MW:26114] Base metals qualified WPQT AWSD1.1

You will get this in section -4 table- 4.2, 4.10, 4.11.

Thanks & Regards,

Anthony.

On Mon, Feb 20, 2017 at 12:15 PM, Umar Rashid Makrani <firoz.makrani@gmail.com> wrote:

Hello peers

I could not find what is the base metals qualified range as per D1.1 

could someone help me, please ?

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With Best Regards,
Umar Rashid Makrani, PMP® ,

 API653, NACE CIP-2, LEEA Registered Engineer.

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