[TheForge] Re: Burning Metal

Wed Nov 5 07:10:07 2003

Ralph,

If you're going to try some of this, let the rest of us know, so those of us
to the south can tell if it's the Aurora Borealis... or Bear Hill!

Kevin

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Ralph Sproul
Sent: Tuesday, 04 November, 2003 4:54 PM
To: [email protected]
Subject: Re: [TheForge] Re: Burning Metal

Hi Pete, That's an interesting idea - I've never tried that, but would like
to.  Do you use something light like 1/4" or does it take 1/2 to keep the
oxidizing stream going?

Ralph

----- Original Message -----
From: "Peter Fels And Phoebe Palmer" <[email protected]>
To: <[email protected]>
Sent: Monday, November 03, 2003 9:13 PM
Subject: Re: [TheForge] Re: Burning Metal

> One can use a sacrifice piece of steel to sustain a torch cut  in cast
> iron..carbon isn't the critical factor..plain iron seems to be...PF
>
> Andy Gladish wrote:
>
> >>I think if the carbon content was the accelerating factor, cast
> >>iron should
> >>cut easily.
> >>The  best I can do on cast iron with an O/A torch is a very sloppy cut.
> >>My plasma torch however cuts it easily.
> >>chuck-
> >>
> >>
> >
> >I think that what is happening when I use an O/A torch to cut cast iron
is
> >that the preheat is melting the metal and the oxygen jet is blowing it
> >aside. Way different from the sharp, clean cut (burn) I get with steel
when
> >things are set up correctly.
> >So, a torch will 'cut' things that it can't 'burn'.
> >Andy G.
> >
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