[TheForge] Fwd: bog iron/pig iron to wrought iron

[Daniel Kretchmar]

I'll try this today!  Thanks all!

Dan
I'll post a picture if it turns out!

> I have never done this, so can only make a suggestion
> from what I have read.  I'd suggest you make your
> knife by folding a sheet lengthwise so the fold will
> become the back of the knife.  This metal can be a
> good deal thicker than the final knife, as you will be
> able to forge it to shape after the welding operation.
>  Make the fold, but before welding, slip in a piece of
> steel about the same thickness as the wrought iron.
> Remember to scarf to avoid cold shuts. Then weld it up
> with the steel sandwiched between the wrought iron.
> Draw out to shape, and sharpen by grinding from both
> sides.
>
> Hope this helps.
>
> Bruce
>
>
> --- Andrew Vida <osan at netlabs.net> wrote:
>
> >
> >
> > Daniel Kretchmar wrote:
> > > Andy and Bruce,
> > >
> > > Both were very helpful! Thank you!
> >
> >       You are most welcome.  I'm glad you found things
> > useful.
> > >
> > > Now another few questions:  I would like to make a
> > knife for my wife.
> > > My wife is in the SCA (like me) and protrays the
> > part of a woman
> > > living in Viking Dublin (890 AD).  I know she
> > should be carrying a
> > > wrought iron knife.   I know how to make steel
> > knives and carving
> > > tools and have made a few in medium and high
> > carbon steel as well as
> > > with pattern welding, but I have never made one
> > from wrought
> > > iron....How do you harden and temper it?
> >
> >       You don't.  Wrought iron has virtually no carbon in
> > it.  Therefore you
> > have to carburize it, which will produce blister
> > steel.  Placing your
> > billet into a sealed retort with carbonaceous
> > materials is one of the
> > traditional methods and works well.  I do not recall
> > offhand how long,
> > though.  I am sure there are others here who will be
> > able to say.  I
> > remember that Kase-n-ite would penetrate to about
> > 1/16 inch per hour.
> > It has been a LONG time since I have carburized
> > anything, so check for
> > good information sources before starting.
> >
> >  > Does normalizing work on
> > > wrought iron in the same way as steel?
> >
> >       I doubt it, though I don't know for certain.  I've
> > never thought about
> > it, actually - interesting question.
> >
> >  > Should I quench in water or
> > > oil? or wax?  Should I do a full straight down
> > quench (like I do for
> > > my pattern welded blades) or do an edge quench
> > like I do for my
> > > carving tools..
> >
> >       If you carburize the wrought, you will then have
> > steel.  I would HT the
> > way you do any knife.
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