Wednesday, November 30, 2016

RE: [MW:25786] Limits of E6013 in pressure vessel (sec viii div 1)

If the ultimate design strength is within 60ksi you can use it. Normally in structural welding using root and hot with 6013 and others with 7018. No code saying don't use such matters. Like don't use 6013 or should use only 7018 except particular company standard.

Wth regards
Maharaja Elavarasan
Welding inspector
Cswip 3.1
ASNT LEVEL II ( PT, MT, RT, UT, VT, RTFI)
Internal auditor iso 9001:2008
From: TDK YOKESH
Sent: ‎30-‎11-‎2016 13:50
To: materials-welding@googlegroups.com
Subject: Re: [MW:25780] Limits of E6013 in pressure vessel (sec viii div 1)

E7018 (basic electrode ) is recommended as it satisfies the mechanical properties than E6013 . If the joint is not going to experience any mechanical load nor and NDT you can go for it . I am not sure if code says about the electrode to be used .


On 30 Nov 2016 3:26 p.m., "Prasad Rode" <purode333@gmail.com> wrote:
Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

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[MW:25787] Procedure Qualification

Hello Expert,

 

 

I have to develop  Procedure Qualification for  AISE 4130 to P1 material, no PWHT and also to meet NACE requirements.

 

I feel that buttering process GTAW/SMAW using ER 70 S2 and E7018.  Initially Buttering with 7018 both the bevel and joint fit-up and continue buttering process.

 

Do you have any comment?

 

Bala Nechur,

 
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Re: [MW:25785] Limits of E6013 in pressure vessel (sec viii div 1)

What is the base material of pressure vessel?

Sent from my iPhone

On Nov 30, 2016, at 14:55, dilintas <dilintas@gmail.com> wrote:

The Asme Code is not a hand book, so you will no find any restrictions in Section VIII-1.
However the Code says that you have to match the properties of the base metal



Sent from my Samsung Galaxy smartphone.

-------- Original message --------
From: Prasad Rode <purode333@gmail.com>
Date: 30/11/2016 09:52 (GMT+02:00)
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:25779] Limits of E6013 in pressure vessel (sec viii div 1)

Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

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[MW:25784] RE: 25779] Limits of E6013 in pressure vessel (sec viii div 1)

Hi,

It is either 6013 or 7018 - whatever it may be, you have to establish a WPS and then qualify the PQR -

If all the particulars (mechanical, chemical and etc.) are complying to the specifications and to client requirements in the established PQR - then there will not be any issue of using any consumable.

Or...

If your client specification has called for any specific requirement of the electrode (say E 7018) then u have to qualify the PQR with that only.

Or...

If you have any constrain in using any electrode (practical problem, approach, easiness in welding, weld metal deposition rates, any power source limitations, any specific NDT requirement and many more particulars) then also, you may opt for 7018 or any other grade to suit requirement -

But in and overall - you have to qualify the PQR with all the variables...

Hope u understand...

Thanks & Regards,
Lakshman Kumar B,
Project Manager.

Navayuga Engineering Company LTD
Corp Off: Plot no 379, Road No 10,
Jubileehills, Hyderabad.500033 India.
Tel - +91 -40-2333 9990/91/92 – Ext 398
Fax: +91-40-2333 7789
Mob - +91 9440031459.
Email –lakshmankumarb@navayuga.com
http://www.necltd.com/

-----Original Message-----
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Prasad Rode
Sent: Wednesday, November 30, 2016 1:23 PM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:25779] Limits of E6013 in pressure vessel (sec viii div 1)

Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

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Re: [MW:25783] Limits of E6013 in pressure vessel (sec viii div 1)

The Asme Code is not a hand book, so you will no find any restrictions in Section VIII-1.
However the Code says that you have to match the properties of the base metal



Sent from my Samsung Galaxy smartphone.

-------- Original message --------
From: Prasad Rode <purode333@gmail.com>
Date: 30/11/2016 09:52 (GMT+02:00)
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:25779] Limits of E6013 in pressure vessel (sec viii div 1)

Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

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Re: [MW:25780] Limits of E6013 in pressure vessel (sec viii div 1)

what is material specification

THANKS & BEST REGARDS,
KG.PANDITHAN, IWE,  AWS-CWI, CSWIP 3.1,
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349

On Wed, Nov 30, 2016 at 1:22 PM, Prasad Rode <purode333@gmail.com> wrote:
Boxbe This message is eligible for Automatic Cleanup! (purode333@gmail.com) Add cleanup rule | More info

Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

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Re: [MW:25780] Limits of E6013 in pressure vessel (sec viii div 1)

E7018 (basic electrode ) is recommended as it satisfies the mechanical properties than E6013 . If the joint is not going to experience any mechanical load nor and NDT you can go for it . I am not sure if code says about the electrode to be used .


On 30 Nov 2016 3:26 p.m., "Prasad Rode" <purode333@gmail.com> wrote:
Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

--
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Re: [MW:25780] Limits of E6013 in pressure vessel (sec viii div 1)

What is the base material grade ?

Regards

Prem Nautiyal 




Sent from my Samsung Galaxy smartphone.

-------- Original message --------
From: Prasad Rode <purode333@gmail.com>
Date: 30/11/2016 13:22 (GMT+05:30)
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:25779] Limits of E6013 in pressure vessel (sec viii div 1)

Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

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By - No comments:

[MW:25779] Limits of E6013 in pressure vessel (sec viii div 1)

Dear sir,

In fabrication of pressure vessel from 10mm thk plate, would we allow to use E6013 electrode.

Is any where given in code of sec viii div 1, about limits of E6013, or only E7018 is allow.

Regards
Prasad Rode

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Tuesday, November 29, 2016

Re: [MW:25778] ASME Sect IX-QW-405-Position Qualification Ranges

Are we talking about position or progression? Please clarify....

2016-11-29 5:03 GMT+02:00 Mohit Aggarwal <aggarwalmohit05@gmail.com>:

Dear Sir,

It states of PQR is qualified with 1G position then it will qualify for all positions, if there is no impact requirements in job and wps can be used for all positions for non impact requirement.

And if PQR is qualified for 1G position and if we will have to support it with impact requirement job , then WPS will be used for 1G position only.

With impact PQR should be qualified in either 3G in case of plate and In 5G or 6G in case of pipe to qualify all positions with impact requirement.

Regards,
Mohit Aggarwal.
Sr. Engineer-Welding.


On Mar 25, 2014 4:16 PM, "Anban" <gane2478@hotmail.sg> wrote:
Dear Experts

Position only a Supplementary essential variable (ie when CVN-Impact test required).

QW-405.2 A change from any position to the vertical position uphill progression. Vertical‐uphill progression
(e.g., 3G, 5G, or 6G position) qualifies for all positions. In uphill progression, a change from stringer bead to weave
bead. This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature
or when an austenitic material is solution annealed after welding.

QW-405.4 (a) Qualification in the horizontal, vertical, or overhead position shall also qualify for the flat position. Qualification
in the horizontal fixed position, 5G, shall qualify for the flat, vertical, and overhead positions. Qualification in
the horizontal, vertical, and overhead positions shall qualify for all positions. Qualification in the inclined fixed position,
6G, shall qualify for all positions.

I'm looking at some of the WPS/PQRs received from Vendor. 
PQR state that Position Tested/Qualified- 1G
WPS state qualified for all groove and fillet positions?
CVN Tested at -30 deg C.

Based on QW-405.2 & QW-405.4- 1G does not qualify all positions.Only qualified for 1G & 1F.

Plls explain how "This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature
or when an austenitic material is solution annealed after welding." relevant to Positions.


Pls shine some light on this. Thank You.



















































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Re: [MW:25776] reg: Maximum interpass temperature in a WPS

Hi Prince,
As Interpass temperature is essential variable for your Client; then keep your interpass temperature as 68 + 55°C ie 123°C as addressed in ASME Sec IX.

Aly

On Mon, Nov 28, 2016 at 9:17 PM, Prince C thomas <princecthomas@gmail.com> wrote:
Dear Sir's,

Kindly reply to  my below query:

We have project approved WPS with following details:

Material Spec: ASTM A106 Gr.B

P no:1/Group no:1

Material thickness: 1.5 -14.22 mm

Welding process: GTAW+SMAW

GTAW-Filler wire : ER 70S-2

SMAW-Electrode: E 7018

Preheat - 10 deg minimum

Interpass temp: 200 Deg C Maximum

In the PQR: pre heat temperature:38 deg C

                  Interpass temperature: 68 deg C maximum



Since interpass temperature is not a essential variable (Impact test is not applicable); but still our client is asking to recheck the max.interpass temperature value ( 200 Deg C) in the WPS. How to convince client to get approval on the same?






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[MW:25776] reg: Maximum interpass temperature in a WPS

Dear sir,

Refer to QW-406.8 of ASME sect. IX.

An increase in the maximum interpass temperature of more than 56degC from that achieved on the test coupon and record on the PQR.

In your PQR, interpass is 68degC.
So, max.interpass is 68+55 = 123degC.

Regards
Kurniatullah sirajudin

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Re: [MW:25775] reg: Maximum interpass temperature in a WPS

As far as non essential variable is concern and impact is not required interpass is ok but if client have some requirement mention in their specifications then that should be followed and as thk range 1.5 to 14.22 mm is concerned interpass can be 150 degree also.

Regards,
Mohit Aggarwal.


On Nov 29, 2016 8:04 AM, "Prince C thomas" <princecthomas@gmail.com> wrote:
Dear Sir's,

Kindly reply to  my below query:

We have project approved WPS with following details:

Material Spec: ASTM A106 Gr.B

P no:1/Group no:1

Material thickness: 1.5 -14.22 mm

Welding process: GTAW+SMAW

GTAW-Filler wire : ER 70S-2

SMAW-Electrode: E 7018

Preheat - 10 deg minimum

Interpass temp: 200 Deg C Maximum

In the PQR: pre heat temperature:38 deg C

                  Interpass temperature: 68 deg C maximum



Since interpass temperature is not a essential variable (Impact test is not applicable); but still our client is asking to recheck the max.interpass temperature value ( 200 Deg C) in the WPS. How to convince client to get approval on the same?






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Re: [MW:25773] reg: Maximum interpass temperature in a WPS

Sir
If client spec addresses the IP temp restriction we have to follow the same Generaly.some of the clients are particular about IP.Heat input as.it controls the properties of weld.Haz Therefore it is better to follow to avoid any any further argument with client 
Hegde


On Mon, 28 Nov, 2016 at 22:47, Prince C thomas
<princecthomas@gmail.com> wrote:
Dear Sir's,

Kindly reply to  my below query:

We have project approved WPS with following details:

Material Spec: ASTM A106 Gr.B

P no:1/Group no:1

Material thickness: 1.5 -14.22 mm

Welding process: GTAW+SMAW

GTAW-Filler wire : ER 70S-2

SMAW-Electrode: E 7018

Preheat - 10 deg minimum

Interpass temp: 200 Deg C Maximum

In the PQR: pre heat temperature:38 deg C

                  Interpass temperature: 68 deg C maximum



Since interpass temperature is not a essential variable (Impact test is not applicable); but still our client is asking to recheck the max.interpass temperature value ( 200 Deg C) in the WPS. How to convince client to get approval on the same?






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Re: [MW:25773] ASME Sect IX-QW-405-Position Qualification Ranges

Dear Sir,

It states of PQR is qualified with 1G position then it will qualify for all positions, if there is no impact requirements in job and wps can be used for all positions for non impact requirement.

And if PQR is qualified for 1G position and if we will have to support it with impact requirement job , then WPS will be used for 1G position only.

With impact PQR should be qualified in either 3G in case of plate and In 5G or 6G in case of pipe to qualify all positions with impact requirement.

Regards,
Mohit Aggarwal.
Sr. Engineer-Welding.


On Mar 25, 2014 4:16 PM, "Anban" <gane2478@hotmail.sg> wrote:
Dear Experts

Position only a Supplementary essential variable (ie when CVN-Impact test required).

QW-405.2 A change from any position to the vertical position uphill progression. Vertical‐uphill progression
(e.g., 3G, 5G, or 6G position) qualifies for all positions. In uphill progression, a change from stringer bead to weave
bead. This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature
or when an austenitic material is solution annealed after welding.

QW-405.4 (a) Qualification in the horizontal, vertical, or overhead position shall also qualify for the flat position. Qualification
in the horizontal fixed position, 5G, shall qualify for the flat, vertical, and overhead positions. Qualification in
the horizontal, vertical, and overhead positions shall qualify for all positions. Qualification in the inclined fixed position,
6G, shall qualify for all positions.

I'm looking at some of the WPS/PQRs received from Vendor. 
PQR state that Position Tested/Qualified- 1G
WPS state qualified for all groove and fillet positions?
CVN Tested at -30 deg C.

Based on QW-405.2 & QW-405.4- 1G does not qualify all positions.Only qualified for 1G & 1F.

Plls explain how "This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature
or when an austenitic material is solution annealed after welding." relevant to Positions.


Pls shine some light on this. Thank You.



















































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Monday, November 28, 2016

Re: [MW:25770] API 570 SHORT TERM CORROSIN FORMULA CHANGE FEB-2016

Dear Siraj,
Yes, it was changed. Please refer to the attached.

Regards,

Sathish K
Cswip3.1, API510
Jazan, KSA.


On Fri, Nov 25, 2016 at 10:42 PM, Mohd Siraj <mohd52100@gmail.com> wrote:
DEAR ALL,

REFER API 570 2009 VERSION AND API570 FEB2016 VERSION,
SHORT TERM CORROSION FORMULA IS CHANGED??

AS PER API-570 2009,
ST=       tprevios-tactual
               -------------------------
        time (years) t previous-t actual

AS PER API-570 2016,
ST=           t inital-t actual
              -----------------------------
        time (years) t previos-t actual 

pl confirm this change in equation.

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[MW:25771] reg: Maximum interpass temperature in a WPS

Dear Sir's,

Kindly reply to  my below query:

We have project approved WPS with following details:

Material Spec: ASTM A106 Gr.B

P no:1/Group no:1

Material thickness: 1.5 -14.22 mm

Welding process: GTAW+SMAW

GTAW-Filler wire : ER 70S-2

SMAW-Electrode: E 7018

Preheat - 10 deg minimum

Interpass temp: 200 Deg C Maximum

In the PQR: pre heat temperature:38 deg C

                  Interpass temperature: 68 deg C maximum



Since interpass temperature is not a essential variable (Impact test is not applicable); but still our client is asking to recheck the max.interpass temperature value ( 200 Deg C) in the WPS. How to convince client to get approval on the same?






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Re: [MW:25772] Re: ASME Sect IX-QW-405-Position Qualification Ranges

in ASME Code context
For Procedure qualification Vertical up or down is an nonessential variable. Impact is not an issue since it is not a supplementary essential variable.
For Performance qualification it is an essential variable. 
If you read QW-405.3 in ASME IX, you will find out that:
1.impact is not an issue at all
2. A change on progression requires requalification of performance except for the cover pass and the root pass if the later is removed

2016-11-28 14:21 GMT+02:00 Kannayeram Gnanapandithan <kgpandithan@gmail.com>:

When impact is there, 3G Uphill qualify all positions


On 28-Nov-2016 8:16 am, "George Dilintas" <dilintas@gmail.com> wrote:
Where did you read in ASME that Uphill qualifies Downhill?

2016-11-25 10:17 GMT+02:00 raiyan bahrin <raiyanbahrin1993@gmail.com>:
 
Hi, i want to ask what is the difference between uphill and downhill in ASME IX and API 1104? The second question is why the ASME IX qualified uphill and downhill as uphill not qualified API 1104 downhill.

   Thank you and hope get answer...hehehehee

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Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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Re: [MW:25769] Re: ASME Sect IX-QW-405-Position Qualification Ranges

When impact is there, 3G Uphill qualify all positions


On 28-Nov-2016 8:16 am, "George Dilintas" <dilintas@gmail.com> wrote:
Where did you read in ASME that Uphill qualifies Downhill?

2016-11-25 10:17 GMT+02:00 raiyan bahrin <raiyanbahrin1993@gmail.com>:
 
Hi, i want to ask what is the difference between uphill and downhill in ASME IX and API 1104? The second question is why the ASME IX qualified uphill and downhill as uphill not qualified API 1104 downhill.

   Thank you and hope get answer...hehehehee

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Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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Re: [MW:25768] Heat treatment impact on defect

residual stresses are usually tensile stresses. This would be the case when residual stresses were compressive ones.

2016-11-28 12:32 GMT+02:00 Alan Denney <alan@denney1.freeserve.co.uk>:

PWHT can open up lack of fusion defects which were held closed prior to PWHT by the residual stresses (and were transparent to UT).

Final acceptance is based on the article in its finished condition. NDT before PWHT is carried out so that repairs on the defects detected at that stage are cleared at that stage.

 

Alan Denney

AKD Materials Consulting Ltd

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Zakaria ghrab
Sent: 28 November 2016 08:52
To: materials-welding@googlegroups.com
Subject: Re: [MW:25766] Heat treatment impact on defect

 

In that case what'is the  advantage to perform NDE after PWHT.

 

Thank you.

 

2016-11-27 15:49 GMT-01:00 George Dilintas <dilintas@gmail.com>:

Not at all unless you "burn" it

 

2016-11-24 17:06 GMT+02:00 Zakaria ghrab <zakaria.ghrab@gmail.com>:

Dear expert,

 

  Could you please give us your feedback & return experience about impact of PWHT (Heat treatment in general) in defect.

 

Could  size of porosity (volumic defects) can change after PWHT especially for ally steels ?

Any information for surfacic defects ?

 

Could you please confirm and give us some reference from codes and/or litterature.

 

Thank you very much.

 

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Dr. Georgios Dilintas,
Dipl. Ing. In Aeronautic and Space Engineering
Ph.D in Mechanics of Solids - Computational Mechanics
A.I.S, A.N.I, IRCA Lead Auditor
Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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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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