Re: [MW:24454] Welding process selection.

You have not indicated the type of base mental, its thickness, size of electrode used etc.

if your client is particular, you can do process compatibility or WPS for the job. 

Towards u/c problems, reasons could be plenty. May be it could be due to excessive current used

for size of the rod, faster travel speed to get more production, higher arc gap during welding and 

like wise. 

Replacing FCAW in place of SMAW process will be more expensive and a loss to you.

GMAW ( SFA 5.18 - ER 70 S-6 ) with either CO2  (or) with Argon + CO2 gas ( to avoid spatter level) 

will be a better option. 

It will help to double your production and also reduce the cost factor to large an extent. 

Sridhar.

---

From: 'rudolf_jude' via Materials & Welding <materials-welding@googlegroups.com>
To: materials-welding@googlegroups.com
Sent: Tuesday, 8 March 2016 3:00 PM
Subject: Re: [MW:24447] Welding process selection.

Hi Dinesh

Surprised that client is asking to prove the strength. The usage of the particular electrode and spec/lot certificate from the manufacturer should suffice. If you are doing field welding then you will have to prove quite differently as they may not approve fcaw with shielding gas. 

All the best

Sent from my Samsung device

-------- Original message --------
From: Dinesh Somwanshi <som.din@gmail.com>
Date: 08/03/2016 17:04 (GMT+08:00)
To: materials-welding <materials-welding@googlegroups.com>
Subject: [MW:24446] Welding process selection.

Dear sir,

I need 1 help from you that as following.

1. we are doing bridge fabrication for L & T as per indian standard.For fillet stiffener welding they have approved SMAW .

During SMAW we found numer of undercuts & slow process in welding.

2. We have recommended to use FCAW E71T-C welding process instead of SMAW E7018 . They are partially agreed & asking to submit that process comparison to choose FCAW to ensure that it fullfill the strenght of weld.

Please share your opinion.

DINESH VITTHAL SOMWANSHI

BACHELOR IN MECHANICAL ENGINEER

AUTHORIZED WELDING / NDT / PAINTING INSPECTION PERSONNEL,

AWS - CWI , CSWIP 3.1

BGAS  Gr 2 / 3

NDT II -UT , RT , MT , PT, VT

00919881344135

असो द्यावी दया तुमच्या लागतसे पाया.

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

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