Re: A big ol' chunk of delrin

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Sujet : Re: A big ol' chunk of delrin
De : muratlanne (at) *nospam* gmail.com (Jim Wilkins)
Groupes : rec.crafts.metalworking
Date : 04. May 2025, 18:00:00
Autres entêtes
Organisation : A noiseless patient Spider
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"Mike Spencer"  wrote in message news:87zffvzsf6.fsf@enoch.nodomain.nowhere...
I once made a (finger) ring from pattern-welded mild steel and a piece
of VW Beetle front suspension torsion spring.  File glided off of it
as if it were glass.  Put it in the coal of the wood range and left it
overnight as the fire died.  Next day, it filed nicely.
Those yard-long VW spring leaves can be clamped in the vise and bent
180 and will violently spring back.  Heated to red in the forge and
cooled in air on the bench, can easily be snapped of by hand with a
very few degrees of bend.  Glassy-hard.  Air-hardening alloy.
So, good lo-tech annealing trick.  Dunno about rock drill pipe, though.
--
Mike Spencer                  Nova Scotia, Canada
-------------------
This piece snapped without any evident deformation. A hacksaw cut it easily enough that I risked finishing with the bandsaw on the lowest speed. A search suggested it might be in the High Strength Low Alloy family. I mentioned it as a source of machineable higher strength steel at hobbyist size and price. I also have a used snow plow cutting edge to try.
jsw
Date Sujet#  Auteur
19 Apr 25 * A big ol' chunk of delrin26Snag
19 Apr 25 `* Re: A big ol' chunk of delrin25Bob La Londe
20 Apr 25  `* Re: A big ol' chunk of delrin24Snag
21 Apr 25   +* Re: A big ol' chunk of delrin22Jim Wilkins
21 Apr 25   i+* Re: A big ol' chunk of delrin15Snag
21 Apr 25   ii+- Re: A big ol' chunk of delrin1Jim Wilkins
21 Apr 25   ii`* Re: A big ol' chunk of delrin13Clare Snyder
21 Apr 25   ii +* Re: A big ol' chunk of delrin11Snag
21 Apr 25   ii i+* Re: A big ol' chunk of delrin8Joe Gwinn
21 Apr 25   ii ii+* Re: A big ol' chunk of delrin3Jim Wilkins
21 Apr 25   ii iii`* Re: A big ol' chunk of delrin2Joe Gwinn
21 Apr 25   ii iii `- Re: A big ol' chunk of delrin1Jim Wilkins
21 Apr 25   ii ii`* Re: A big ol' chunk of delrin4Snag
22 Apr 25   ii ii +- Re: A big ol' chunk of delrin1Jim Wilkins
22 Apr 25   ii ii `* Re: A big ol' chunk of delrin2Joe Gwinn
22 Apr 25   ii ii  `- Re: A big ol' chunk of delrin1Snag
21 Apr 25   ii i`* Re: A big ol' chunk of delrin2Jim Wilkins
21 Apr 25   ii i `- Re: A big ol' chunk of delrin1Snag
23 Apr 25   ii `- Re: A big ol' chunk of delrin1Snag
28 Apr 25   i`* Re: A big ol' chunk of delrin6Jim Wilkins
2 May 25   i `* Re: A big ol' chunk of delrin5Mike Spencer
2 May 25   i  +* Re: A big ol' chunk of delrin3Snag
2 May 25   i  i`* Re: A big ol' chunk of delrin2Jim Wilkins
2 May 25   i  i `- Re: A big ol' chunk of delrin1Jim Wilkins
4 May 25   i  `- Re: A big ol' chunk of delrin1Jim Wilkins
21 Apr 25   `- Re: A big ol' chunk of delrin1Bob La Londe

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