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  1. #1
    Elite Member /pine's Avatar
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    Default Just an observation (realization)

    With the cost of steel these days I'm sure I am not the only one that uses what they have and salvages what they can...

    For those relatively new to welding...don't judge your advancing skills by the look of your welds when you are using really rusted and pitted material...

    because of the mobility I have most recently been using a 110V 140A 'Hobart Handler' and even though the welds are less than satisfactory looking...(using heavily rusted and pitted steel) the welds have performed very well under hard work loads...BUT...

    I recently started a fabrication using new steel (same welder, same settings for the gauge of material) and the "looks" of the welds are like night and day from using salvaged material...

    So my point is...don't judge your welding ability solely on looks when using rusted/pitted material...
    Slash Pine
    blunt and succinct but sincere...in the immortal words of Popeye..."I yam what I yam"

  2. #2
    Veteran Member dstig1's Avatar
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    Default Re: Just an observation (realization)

    Rust is a contamination, so if it is not removed you can expect problems in many processes. Now maybe 6011 would be fine, but it is best practice to clean to shiny metal before welding...
    -Dave

    "Being a pessimist is great. You can't lose. Either you end up being right...or you are pleasantly surprised."

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  3. #3
    Platinum Member Reyer Farms's Avatar
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    Mahindra 5010

    Default

    Quote Originally Posted by dstig1 View Post
    Rust is a contamination, so if it is not removed you can expect problems in many processes. Now maybe 6011 would be fine, but it is best practice to clean to shiny metal before welding...
    Yep. A lot of folks start before their ready, and quit before their through. As far as rust goes, cutting torch will do better with rust. Hard to rust, rusted steel.

  4. #4
    Elite Member /pine's Avatar
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    Default Re: Just an observation (realization)

    Quote Originally Posted by dstig1 View Post
    Rust is a contamination, so if it is not removed you can expect problems in many processes. Now maybe 6011 would be fine, but it is best practice to clean to shiny metal before welding...
    The poor (looking) results I experienced with rusted/pitted steel were ground and brushed prior to welding...perhaps some of the difference is the older steel is harder than the new stuff ?
    Slash Pine
    blunt and succinct but sincere...in the immortal words of Popeye..."I yam what I yam"

  5. #5
    Platinum Member Reyer Farms's Avatar
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    Quote Originally Posted by /pine View Post

    The poor (looking) results I experienced with rusted/pitted steel were ground and brushed prior to welding...perhaps some of the difference is the older steel is harder than the new stuff ?
    Well steel is porous and moisture gets in it, so I reason rust could be in there too. If you mig, there is no cleaning action from a flux, and that trash doesn't float out like flux core or stick. I bet a little preheat will fix it.
    Disclaimer: I don't wire weld a lot.

  6. #6
    Platinum Member
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    Default Re: Just an observation (realization)

    I try real hard never to throw away any steel pieces, I have a pail, for scrap, yesterday, I replaced the gasket on the furnace, The adjuster would not cover the slack. I found the lever worn, welded that up still not tight, the hook was worn I put a 3/8 x2 piece of 1/4 inch bar on and welded it up. I found it on the ledge of my cut off saw. It worked great, I thought afterwords, what do people do without the knowledge on how to weld and the equipment to do it.
    Just a thought!

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