gas or no gas what better

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Old Feb 23, 2007 | 11:04 PM
  #1  
ISPhuevos's Avatar
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Default gas or no gas what better

what the difference between welding with and welding without. i am looking to get a clean and strong weld any info thanx.
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Old Feb 24, 2007 | 05:13 AM
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Default Re: gas or no gas what better (ISPhuevos)

gas
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Old Feb 24, 2007 | 11:45 AM
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Default Re: gas or no gas what better (dturbocivic)

What are you welding?
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Old Feb 24, 2007 | 01:07 PM
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Default Re: gas or no gas what better (ISPhuevos)

If your looking for a Clean weld with good penetration then you need gas, The gas shields the area being welded and helps penetrate the metal better then flux, and cleaner than stick
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Old Feb 24, 2007 | 01:17 PM
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Default Re: gas or no gas what better (standbackimapro)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by standbackimapro &raquo;</TD></TR><TR><TD CLASS="quote">If your looking for a Clean weld with good penetration then you need gas, The gas shields the area being welded and helps penetrate the metal better then flux, and cleaner than stick</TD></TR></TABLE>

You can get pentration with flux as well.
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Old Feb 24, 2007 | 01:46 PM
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Default Re: gas or no gas what better (RCautoworks)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RCautoworks &raquo;</TD></TR><TR><TD CLASS="quote">

You can get pentration with flux as well.</TD></TR></TABLE>


You can actually get more since the flux burns hotter than the typical C25 gas.

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Old Feb 24, 2007 | 01:49 PM
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Default Re: gas or no gas what better (F20Cteg)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by F20Cteg &raquo;</TD></TR><TR><TD CLASS="quote">
You can actually get more since the flux burns hotter than the typical C25 gas.
</TD></TR></TABLE>

Yeah, I did not feel like going into detail but that comment was wrong that the guy used. Flux is fine for small jobs, such as tacking pieces together.
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Old Feb 24, 2007 | 02:18 PM
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Flux cored wires have much better penetration than gas welding. To clarify some Flux wires are a dual sheilded wire that means they need gas as well as the flux.

Too answer your question which is better than you need to figure out what is better for your application.

For gas wires in the short circuit process(meaning the process that sounds like bacon frying) it is best to use under 3/8 inch plate. If used with 3/8 plate than you need some beveling to ensure penetration.

Flux is designed for heavy plate and has very high penetration and depostion rates. You can use it for sheet metal but it is most likely going to rust unless you get all that flux out of there(that is for a body panel not for frames or painted parts).

Most companies send this with their new welders because you can start welding right when you get it. It is very inexpensive, considering you don't have to buy gas.
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Old Feb 24, 2007 | 02:24 PM
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Default Re: (arcboy)

Using gas seems a little easier to get a good weld. (for me)
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Old Feb 24, 2007 | 03:51 PM
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Default Re: (arcboy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by arcboy &raquo;</TD></TR><TR><TD CLASS="quote">Flux cored wires have much better penetration than gas welding. To clarify some Flux wires are a dual sheilded wire that means they need gas as well as the flux.

Too answer your question which is better than you need to figure out what is better for your application.

For gas wires in the short circuit process(meaning the process that sounds like bacon frying) it is best to use under 3/8 inch plate. If used with 3/8 plate than you need some beveling to ensure penetration.

Flux is designed for heavy plate and has very high penetration and depostion rates. You can use it for sheet metal but it is most likely going to rust unless you get all that flux out of there(that is for a body panel not for frames or painted parts).

Most companies send this with their new welders because you can start welding right when you get it. It is very inexpensive, considering you don't have to buy gas.</TD></TR></TABLE>

thanx well im not really welding any thing big that 1/4 so i think ill go witht the gas but what type of gas. are some gases better than other (argon,c25) sorry for all the question im new to this
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Old Feb 24, 2007 | 04:06 PM
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Yeah 75 argon/25 co2 is best.
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Old Feb 24, 2007 | 06:08 PM
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You'll be fine with flux core to start. Get a machine that is capable of accepting a gas conversion kit because in the future you will probably want it.
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Old Feb 24, 2007 | 11:40 PM
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i have used flux and i have to say theres nothing wrong with it.... but all the gas welds ive done seem a lot nicer with less splatter.

gas FTW but it just depends on whatever one is closest to you.

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Old Feb 25, 2007 | 07:46 AM
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Default Re: (allricedout)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by allricedout &raquo;</TD></TR><TR><TD CLASS="quote"> but all the gas welds ive done seem a lot nicer with less splatter.

</TD></TR></TABLE>

Something to consider when using Flux cored wires is that it is very similar to stick welding. Your techniques are similar. Instead of pushing the weld like mig you should pull/drag the weld. You can push the flux cored wire but it will cause a lot of spatter. Try dragging the weld next time you use it. Buy dragging you will increase penetration, reduce spatter, and the weld should flatten out a little better.
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Old Feb 25, 2007 | 04:25 PM
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Default Re: (arcboy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by arcboy &raquo;</TD></TR><TR><TD CLASS="quote">

Something to consider when using Flux cored wires is that it is very similar to stick welding. Your techniques are similar. Instead of pushing the weld like mig you should pull/drag the weld. You can push the flux cored wire but it will cause a lot of spatter. Try dragging the weld next time you use it. Buy dragging you will increase penetration, reduce spatter, and the weld should flatten out a little better.</TD></TR></TABLE>


Werd.
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