[TheForge] scrap plate steel

[Peter Fels And Phoebe Palmer]

Another possible approach , given the minimal  dishing, is to stretch 
the edges a little....perhaps a sledge and a big anvil, working with the 
bulge up...hammer a tapered pattern from the bulge towards the 
edge..widening the pattern of blows  as you proceed 
outwards....alternate sides...noisy work....PF

debmiller at fuse.net wrote:

>Fire and water is the answer.
>
>I have watched trained guys straighten beams, plates, etc using a rosebud toch and a bucket of water. Kind of like a REALLY, REALLY large shrinking hammer.
>
>I am sure there are probably some process description on the internet.
>
>In basic terms it was a matter of heating the opposite side and then cooling with water and shrinking the "dimple".
>
>Ray
>Cincinnati
>
>  
>
>>From: "Gladish Family" <gladish at cnw.com>
>>Date: 2004/10/15 Fri AM 09:56:35 EDT
>>To: "Sponsored by ABANA" <theforge at mailman.qth.net>
>>Subject: [TheForge] scrap plate steel
>>
>>Is there a way to straighten steel plate?
>>
>>I need to extend a welding table, so went to the local supplier and priced a
>>new 4x5, 1/2". For new steel it's ninety-some cents a pound, about $350...
>>But wait! There's a four by five chunk of 1/2" out back! About $100.
>>Unfortunately it must have had something sitting on it, because it's dished,
>>oh, maybe 3/8. Not that much, but the point is to have a dead flat surface
>>to do layout.
>>If it weren't so thick, I'd just build the frame and plug weld it, force it
>>to be straight, but 1/2" seems too burly.
>>Thanks for any suggestions,
>>Andy g.
>>
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