Mr. Asim Munir,
MIG & MAG both are divisions of GMAW (Gas Meal Arc Welding) process.
1. MIG- Metal Inert Gas uses,
Argon(or) mixture of Argon(+) 20to25% Carbon DI-Oxide for welding of Carbon
Steels.
Argon(or) Argon(+) 2to3% Oxygen for welding non-ferrous metals like SS,AS,CU
and all metals.
Argon (or) Argon (+) Helium for AL and its alloys welding.
It is non reactive and will not contribute further to any chemical & mechanical
properties towards weld metal output.
2. MAG- Metal Active Gas uses,
Carbon DI-Oxide for welding of Carbon Steels.
No other metals can be welded other than CS with Carbon DI-Oxide.
It is a reactive gas and will dis-integrate into C, CO and picks up additional
Oxygen from Carbon Di-Oxide again due to continues supply of shielding gas.
Hence,a chain reaction happening at high arc temperatures.
It results in Carbon pick up to an extent of 0.1 to 0.20% or so in the base metal
and a slight modification of chemical (addition of C) & mechanical properties
(higher UTS values) than the filler metal in the weld metal output.
sridhar.
-------------------------------------------------------------------------------------------
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MIG & MAG both are divisions of GMAW (Gas Meal Arc Welding) process.
1. MIG- Metal Inert Gas uses,
Argon(or) mixture of Argon(+) 20to25% Carbon DI-Oxide for welding of Carbon
Steels.
Argon(or) Argon(+) 2to3% Oxygen for welding non-ferrous metals like SS,AS,CU
and all metals.
Argon (or) Argon (+) Helium for AL and its alloys welding.
It is non reactive and will not contribute further to any chemical & mechanical
properties towards weld metal output.
2. MAG- Metal Active Gas uses,
Carbon DI-Oxide for welding of Carbon Steels.
No other metals can be welded other than CS with Carbon DI-Oxide.
It is a reactive gas and will dis-integrate into C, CO and picks up additional
Oxygen from Carbon Di-Oxide again due to continues supply of shielding gas.
Hence,a chain reaction happening at high arc temperatures.
It results in Carbon pick up to an extent of 0.1 to 0.20% or so in the base metal
and a slight modification of chemical (addition of C) & mechanical properties
(higher UTS values) than the filler metal in the weld metal output.
sridhar.
-------------------------------------------------------------------------------------------
--On 12/29/10, ASIM MUNIR <asimmu...@gmail.com> wrote:
> Dear all
> please guide about MIG and MAG welding and difference also.
> thankx in advance.
>
> --
> Regards,
> MUHAMMAD ASIM MUNIR
> QA/QC INSPECTOR
> MOODY INT.
> CELL #+923007815592
> +971566230102
>
> "QUALITY IS MORE IMPORTANT THAN QUANTITY"
>
> --
> To post to this group, send email to material...@ googlegroups.com
> To unsubscribe from this group, send email to
> materials-weld...@ googlegroups.com
> For more options, visit this group's bolg at
> http://materials-welding. blogspot.com/
> 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.
>
To post to this group, send email to materials-welding@googlegroups.com
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For more options, visit this group's bolg at http://materials-welding.blogspot.com/
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
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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