RE: [MW:5240] Use of MIG filler wire as a TIG welding filler wire

Hi, Hitesh,
From my own experience, I think it is available to use MIG wire for TIG process.
The reasons of different property are the shielding gas and welding procedure.

I1=100% Argon
M12=5↓%CO2 + 95↑%Argon
Generally, the property under pure Argon condition is higher than the condition with Oxidizing gas.
 
and the layer of TIG welding is a little more than MIG welding.
Heat Input of TIG welding is lower too.
 
So do not hesitate to use this wire as TIG wire as long as you can control the welding procedure.
 

 

Best regards

 

Roy LIU

 

Böhler Welding Group - China

you may contact me via roy.liu@bw-group.com.cn
 

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Date: Tue, 25 May 2010 13:38:18 +0530
Subject: [MW:5239] Use of MIG filler wire as a TIG welding filler wire
From: hpatel@ipr.res.in
To: materials-welding@googlegroups.com

Dear friends,

i am going to use below ER316LMn filler wire for SS316L. (working condition 4.5K ( -269 'C ) temp.)

ER316LMn filler wire available for TIG & MIG welding. i want to use 1.2 mm dia. filler wire for TIG welding but 1.2 mm dia. not available for TIG welding. 

as 1.2 mm dia. filler available in MIG welding. filler wire mfg. given property for ER316LMn listed below for GTAW & GMAW.

if i want to use MIG filler wire for TIG welding , can I get TIG welding property listed below.

Please give your valuable suggestions.  

Mechanical properties, typical, all weld metal for filler wire ER316LMn

                            Process              Shielding              Condition             0.2% Proof strength              Tensile strength                Elongation               Impact ISO-V(J)

                                                         gas                                                (N/mm2)                                (N/mm2)                          (%)                        -196°C

Typical values          GTAW                  I1                       AW                        430                                        650                               35                              75

                              GMAW                 M12                    AW                        400                                        600                               30                             50

Thanks & Regards,

Hitesh

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