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Posted by bigegg on October 8, 2009, 12:23 pm
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Ecnerwal wrote:
>
>> Hi Guys,
>>
>> I'm going to try and use rebar (crap, low alloy steel... usually...
>> maybe), for sword cores.
>>
>> I intend to mix this with some spring steel, then forge weld a spring
>> cutting edge.
>>
>> It may or may not work, but the rebar was free so it's worth a try.
>>
>>
>> Regards Charles
>
> The problem (as I understand it) with rebar is that it can be anything,
> so long as it meets the minimum tensile strength. Some will be low
> alloy, some will be high carbon, and there's no telling which - depends
> what they dumped in the pot that day. You can be a little more sure that
> it's not high carbon/alloy if it's marked as "weldable", I think. Good
> luck with it!
>
seems like a good excuse to practice spark testing, or just try to
harden a piece and see what happens?
I got a piece of re-bar a few years ago and made a complete set of
repousse chisels from it. I tried to use a second piece to make some
wood lathe chisels, and couldn't get it to harden - and that was
(supposedly) from the same batch/bundle. ho-hum
--
bigegg
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