Using ER316L instead of ER308L to weld 304L to 304L

[44897]

Dear experts,

we have situation is here one of our welder selected wrong filler material,

To weld 304L to 304L as per wps it was selected ER308L.

One of our welder welded with ER316L we have found this after completion of weld in the PMI results where MO content is showing 2.0%.

Is that acceptable to weld higher grade electrode for 304L piping. 

Regards

Reddy.M

[José Juan Jiménez Alejandro]

The WPS is made with ASME IX ?, I think one of the main data that should be placed in your question is the building code, so that the experts who see this email can help you, if you give incomplete information it is more difficult to help you .

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[ahmed]

I suppose you built your WPS on ASME IX ; ER316L have Mo greater than ER308L which increase pitting corrosion resistance , contain also NI greater than ER308l which increase toughness.

In ASME IX change of welding electrode is essential variable but ER308L and ER316L have the same “F” number so you can make another WPS on the same PQR of ER308L.

To cover your issue and take your client approved before, if he refused respect your “WPS” and C/O wrong welded joint.

 

From: material...@googlegroups.com [mailto:material...@googlegroups.com] On Behalf Of José Juan Jiménez Alejandro
Sent: Wednesday, December 14, 2016 4:09 PM
To: material...@googlegroups.com
Subject: Re: [MW:25820] Using ER316L instead of ER308L to weld 304L to 304L

 

 

The WPS is made with ASME IX ?, I think one of the main data that should be placed in your question is the building code, so that the experts who see this email can help you, if you give incomplete information it is more difficult to help you .

2016-12-14 5:02 GMT-06:00 44897 <malgire...@gmail.com>:

Dear experts,

 

we have situation is here one of our welder selected wrong filler material,

 

To weld 304L to 304L as per wps it was selected ER308L.

 

One of our welder welded with ER316L we have found this after completion of weld in the PMI results where MO content is showing 2.0%.

 

Is that acceptable to weld higher grade electrode for 304L piping. 

 

Regards

Reddy.M

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Ing. José Juan Jiménez Alejandro

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[44897]

WPS is ASME sec IX

On Thursday, 15 December 2016 05:44:58 UTC+3, José Juan Jiménez Alejandro wrote:

The WPS is made with ASME IX ?, I think one of the main data that should be placed in your question is the building code, so that the experts who see this email can help you, if you give incomplete information it is more difficult to help you .

2016-12-14 5:02 GMT-06:00 44897 <malgire...@gmail.com>:

Dear experts,

we have situation is here one of our welder selected wrong filler material,

To weld 304L to 304L as per wps it was selected ER308L.

One of our welder welded with ER316L we have found this after completion of weld in the PMI results where MO content is showing 2.0%.

Is that acceptable to weld higher grade electrode for 304L piping. 

Regards

Reddy.M

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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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[Ahmed Husain]

Normally, it is an acceptable practice to use er 316 filler wire to weld 304 base metals.

Sent from Yahoo Mail on Android

On Wed, 14 Dec, 2016 at 3:43 pm, 44897

<malgire...@gmail.com> wrote:

--

[Demir Alp ILIKOBA]

-Since ER316L has the same F number with ER308L as per ASME Section IX , You can use it by issuing a new WPS based on Your PQR.

Regards;

Demir Alp ILIKOBA 

On Sat, Dec 17, 2016 at 10:48 AM, 'Ahmed Husain' via Materials & Welding <material...@googlegroups.com> wrote:

Normally, it is an acceptable practice to use er 316 filler wire to weld 304 base metals.

Sent from Yahoo Mail on Android

On Wed, 14 Dec, 2016 at 3:43 pm, 44897

<malgire...@gmail.com> wrote:

Dear experts,

we have situation is here one of our welder selected wrong filler material,

To weld 304L to 304L as per wps it was selected ER308L.

One of our welder welded with ER316L we have found this after completion of weld in the PMI results where MO content is showing 2.0%.

Is that acceptable to weld higher grade electrode for 304L piping. 

Regards

Reddy.M

--
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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[c sridhar]

ER 316L is often used to weld 304L material and can provide superior corrosion resistance; however, 

in some corrosive environments it may be highly detrimental (most notably in environments subject 

to metal dusting of 316). ER308 is the more economical choice especially when taking into account 

today's high molybdenum cost. 

Sridhar

----------------------------------------------------------------------------------------------------------------------------

 Alp ILIKOBA <demir...@gmail.com>
To: "material...@googlegroups.com" <material...@googlegroups.com>
Cc: 44897 <malgire...@gmail.com>
Sent: Saturday, 17 December 2016 12:25 PM
Subject: Re: [MW:25825] Using ER316L instead of ER308L to weld 304L to 304L

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[ahmad elsharkawy]