[TheForge] Shrinking Stainless Sheet metal

[Peter Fels And Phoebe Palmer]

Thanks James;
Shouldn't those same properties make it easier to heat 
shrink?...pete f

James Binnion wrote:
> Stainless has a 25% higher thermal expansion rate than mild steel. This 
> is why it is such a pita to work when you are welding  it in thinner 
> sections it will warp at the drop of a hat it is also a poor thermal 
> conductor, much worse than mild so the heating is localized more than 
> with the mild and the thermal expansion is acting on a smaller area 
> resulting in greater warping.  If possible keep beads short and move to 
> a different area to do next bead and keep working different areas around 
> whole perimeter till the complete weld is done to keep from getting too 
> much heat in one area. This will help but it is still likely to warp.
> 
> Jim
> 
> On Jan 17, 2007, at 1:38 PM, Ries Niemi wrote:
> 
>>
>> Theoretically, it should move much like mild steel, but its so damn 
>> hard to get to move, ever, that it seems to be harder to heat shrink.
>>
>> ries
> 
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