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Re: [MW:20310] Re: GTAW Filler Metal with a "G" suffix in ASME Sect. IX

By Materials & Welding
Who is purchaser? Manufacturer or Customer?

THANKS & BEST REGARDS
KG.PANDITHAN, AWS-CWI, CSWIP 3.1
CONSULTANT-WELDING & QUALITY


On Wed, Mar 12, 2014 at 3:12 PM, KRISHNASAMY MASANAM <krishnasamy1968@hotmail.com> wrote:
No, required as per ASME Sec II C SFA-5.18 Table 1, Table 3, kindly find the attached files for your references...

      

Thanks & Best regards

 

Krishnasamy. M

Mechanical/Welding Inspector

Saudi Aramco Project Inspection Department

TUV NORD - KSA

krishnasamy.masanam@aramco.com

KSA +966 564743358 (Available)

INDIA +91 9442558057




Date: Wed, 12 Mar 2014 10:31:37 +0530
Subject: Re: [MW:20295] Re: GTAW Filler Metal with a "G" suffix in ASME Sect. IX
From: kgpandithan@gmail.com
To: materials-welding@googlegroups.com

not required

THANKS & BEST REGARDS
KG.PANDITHAN, AWS-CWI, CSWIP 3.1
CONSULTANT-WELDING & QUALITY


On Tue, Mar 11, 2014 at 2:15 PM, KRISHNASAMY MASANAM <krishnasamy1968@hotmail.com> wrote:
Dear all,
                       If you are using those electrodes it shall be approved from the owner/client, its mandatory requirement as per ASME Sec II C

      

Thanks & Best regards
 
Krishnasamy. M
Mechanical/Welding Inspector
Saudi Aramco Project Inspection Department

TUV NORD - KSA
krishnasamy.masanam@aramco.com

KSA +966 564743358 (Available)

INDIA +91 9442558057




Date: Mon, 10 Mar 2014 22:40:18 +0530
Subject: Re: [MW:20286] Re: GTAW Filler Metal with a "G" suffix in ASME Sect. IX
From: ranendrac6@gmail.com
To: materials-welding@googlegroups.com

I am just adding one thing. Suffix G means general and it can be any combination. If anybody wants to purchase Electrode/Filler with suffix G,then he needs to specify the correct combination to avoid any last minute confusion.

Regards,
Ranendra


On Mon, Mar 10, 2014 at 11:16 AM, Ramin Kondori <raminkondori@gmail.com> wrote:
Dear Mr. Rezazade:

Be careful when using filler metals with a "G" suffix since they may have any combination of alloying elements and only by referring to manufacturer catalogue you can find out which alloying element(s) they have used.

Once I remember that a company qualified a WPS with E8018-G (that later I found it had Cr/Mo additions) and during production their procurement officer purchased another E8018-G (that later I found it had Nickel additions).
This caused the company a lot of trouble since these are two different filler metals with different properties. Ni additions are suitable for low temp service but Cr/Mo additions improves high temp service properties (the application was a gas turbine exhaust - high temp service).

So always check the catalogue before proceeding with PQR or production.
 
Ramin Kondori
Sr. QA/QC Engineer
SINOPEC

r.kondori@petroyada.com
+98-2123592322
+98-9132150320


On Sun, Mar 9, 2014 at 4:08 PM, M Rezazade <inspectormag@gmail.com> wrote:
 Dear sir
QW-404.12 is supplementary essential variable and when impact test required in your WPS (or production) according to construction code, you need to consider it as essential variable.
 .so changing the brand of G suffix electrode is not permitted in WPS without re qualification of PQR with new brand of electrode. (when impact test required)

در سه‌شنبه 9 فوریهٔ 2010، ساعت 5:10:20 (UTC+3:30)، yan نوشته:
Hi Gentlement, 
We have many qualified  WPS/PQR (GTAW process) using filler metal with a "G" suffix such as ER-70S-G and qualified base on ASME Section IX ( using previous ASME IX  Ed. 2004/Ed. 2007) . In QW-404 / Filler Metals), para QW-404.12  state that change classification is NON ESSENTIAL VARIABLE. But in ASME IX Ed. 2007 addendum 2008, in the same QW-404.12 state that change in classification is SUPPLEMENTARY ESSENTIAL VARIABLE ( a filler metal with a" G" suffix)Our question is  whether this existing WPS/PQR need re-qualification (change from NON ESSENTIAL VAR to SUPPLEMENTARY ESSENTIAL VAR)? 
Great thank to get sharing accordingly. 
Regards, 
Yan 
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