[TheForge] -Hay rake tines

[dan tull]

please




> My procedure for using this steel for tools is to forge to my desired 
> shape.
>
> Then normalize them.  To normalize we heat the tool steel to just above
> critical temperature.   In this case just to the point that the steel
> becomes non-magnetic, and then let them air cool.
>
> Depending on their cross section they may be quite hard at this point.
> (Knife makers by the way often do this normalization 3 times to give very
> fine grain structure, but I think for most items once is enough.
> Normalization gives a big improvement in grain size -- too much
> normalization and you loose depth of hardness.)
>
> Then heat treat the item.  Slow heat to critical - just becomes
> non-magnetic -- don't over heat and then quench.  For this steel I like
> brine.
>
> Then oven temper.  For most tools with edges I use 325 to 400 F depending 
> on
>
> the trade off between hardness and toughness.  For strikers I have even
> suggest 212 F (boiling water) for a temper.  I use this 1095, W1  to make
> woodworking tools, such as chisels or carving tools.
>
> Hope this helps some.
>
> By the way, hay rake tines are a very good source of low cost W1, 1095
> steel.
>
> Dave
>
> --------------------------------------------------
> From: "lee robbins" <naturadoc1 at yahoo.com>
> Sent: Wednesday, March 25, 2009 5:46 PM
> To: <theforge at mailman.qth.net>
> Subject: Re: [TheForge] TheForge Digest, Vol 62, Issue 55-Hay rake tines
>
>>
>>>>I know we covered this before, but what was the
>>>>consensus of opinion , to temper or use as quenched?
>>>>From hay rake tines to files, seems they would be too
>>>>brittle and hard to shave sparks in "as quenched". I
>>>>expect it will be a "resultant" issue , as in, do two
>>>>and see which showers best.
>>>>
>>>>
>>>> dan tull
>>>> Georgia
>>
>> I got some hay rake tines to use for spring weeders. would they best be
>> normalized in the oven after quench when formed or better be bent and
>> formed cold?. how do you retain toughness with maximum springiness?
>>
>> thanks for all the interesting perspectives on sparks
>> Lee
>>
>>
>>
>> ______________________________________________________________
>> TheForge mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/theforge
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:TheForge at mailman.qth.net
>>
>> TheForge mail list group photo site is
>> http://www.photoaccess.com
>> Login: blacksmithblacksmith at hotmail.com
>> Password: anvil
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
> ______________________________________________________________
> TheForge mailing list
> Home: http://mailman.qth.net/mailman/listinfo/theforge
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:TheForge at mailman.qth.net
>
> TheForge mail list group photo site is
> http://www.photoaccess.com
> Login: blacksmithblacksmith at hotmail.com
> Password: anvil
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
>
>
>
> ****************************************************************************
> ********
> This footnote confirms that this email message has been scanned by
> PineApp Mail-SeCure for the presence of malicious code, vandals & computer
> viruses.
> ****************************************************************************
> ********
>
>
>
>
>
>
>
>
>
> ************************************************************************************
> This footnote confirms that this email message has been scanned by
> PineApp Mail-SeCure for the presence of malicious code, vandals & computer 
> viruses.
> ************************************************************************************
>
>
>
> ______________________________________________________________
> TheForge mailing list
> Home: http://mailman.qth.net/mailman/listinfo/theforge
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:TheForge at mailman.qth.net
>
> TheForge mail list group photo site is
> http://www.photoaccess.com
> Login: blacksmithblacksmith at hotmail.com
> Password: anvil
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>