[TheForge] why doesn't cast iron oxidize and burn in the same way?(was: oil/wax finish, blackened steel)

[James Binnion]

On Nov 2, 2010, at 5:34 PM, Jerry Frost wrote:

> Dad used to talk about torches they used during WWII that you could  
> shut off
> the acet once the steel began cutting and the burning steel did all  
> the
> work. I've never heard of it anywhere else so can't say how true it  
> is. Dad
> was never a fabricator, iron worker, etc. Machinist and metal  
> spinner all
> the way so there's no telling what he saw or thought he saw, heard,  
> etc.

Could be he was talking about an oxygen lance. That cuts with oxygen  
only once you get it going with a cutting torch.

James Binnion
jbin at well.com