Neil, all...doesn't welding of the tube end make the question of hardening
the tube by chop saw cutting, moot? Seems to me it would.. Both gas welding
and TIG welding put far more heat into the metal than the chop saw which is
localized. So what diference does it make whatyou cut 4130 with?
mayf
----- Original Message -----
From: "Albaugh, Neil" <albaugh_neil@ti.com>
To: "'Waldron, James'" <James.Waldron@CWUSA.COM>;
<land-speed@autox.team.net>
Sent: Friday, March 21, 2003 7:46 AM
Subject: RE: Re: Plasma Cutter or band saw or ?
> Jim;
>
> A chop saw (abrasive cut-off wheel) isn't recommended for cutting 4130
steel
> tubing. The heat of friction leaves the alloy in poor condition for about
> 1/8" from the cut. I read this somewhere but I can't tell you that
source--
> I simply can't remember where I saw it.
>
> Regards, Neil Tucson, AZ
>
>
> -----Original Message-----
> From: Waldron, James [mailto:James.Waldron@CWUSA.COM]
> Sent: Thursday, March 20, 2003 8:06 PM
> To: land-speed@autox.team.net
> Subject: RE: Re: Plasma Cutter or band saw or ?
>
>
> Thanks to all on the list who contributed their experience. It
> really made a big difference and is going to save me a lot of
> money.
>
> After Elon made the plasma torch sould a lot like a light saber I'm
leaning
> towards a chop saw or a portable band saw. About a factor of 10 less
> expensive. I'll just use the old cutting torch for plate and visit my
> grinder.
>
> Thanks!
> Jim W.
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