Fw: [MW:26642] mWQT- Electrode

The LPG bottle design has a back up sheet of 1.5 to 2.0 thk. and

and are being welded using MAG process successfully.

Yes, we do not recommend this process for general pressure joints

done without a back up .

----- Forwarded Message -----
From: ΓΙΩΡΓΟΣ GEORGIOS D. <dilintas@gmail.com>
To: materials-welding@googlegroups.com
Sent: Tuesday, 20 June 2017 9:24 PM
Subject: Re: [MW:26625] WQT- Electrode

Many important user specs do not allow GMAW for pressure applications since it is prone to lack of fusion. It us advisable to use FCAW instead 

Sent from my Samsung Galaxy smartphone.

-------- Original message --------

From: 'c sridhar' via Materials & Welding <materials-welding@googlegroups.com>

Date: 17/06/2017 21:57 (GMT+04:00)

To: materials-welding@googlegroups.com

Cc: SHANKAR SHIVARATRI <sshankarirs@gmail.com>

Subject: Re: [MW:26617] WQT- Electrode

LPG bottle are welding using  SAW or MAG process now a days.Both are good

processes and helps to get higher productivity.

MAG with 1.20 mm size ER 70S-6 filler wire along with Argon + CO2 ( 20 % )

is very popular and much in use now a days. SMAW process is a slow process

and not used of late.

Sridhar.

---

From: Ammar Shaikh <ammar.ali.shaikh@gmail.com>
To: materials-welding@googlegroups.com
Cc: SHANKAR SHIVARATRI <sshankarirs@gmail.com>
Sent: Friday, 16 June 2017 9:28 PM
Subject: Re: [MW:26614] WQT- Electrode

7018 or 7010 Should be defined by WPS and validated by PQR.

On Tue, Jun 13, 2017 at 12:44 PM, Shankar S <sshankar.irs@gmail.com> wrote:

Dear experts,

At one particular LPG bottling plant contractor proposed  WQT approval root run as E6010 and fill as E7010.  I have doubt that E7018 is suppose use for fill up only. 

Project: Pipeline. Pipe specification PSL2( API)-  Oil & Gas. Ref. standards: API 1104, ASME B 31.4/8.

Please suggest accordingly.

Thanks in Advance.

regards,

Shankar

Hyderabad India.

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