Subject: Re: tube bending questions
From: John De Armond
Date: Thu, 23 Sep 93 05:11:09 GMT
email@example.com (Geoffrey Merryweather) writes:
>> Don't the springs go in the tube to keep it from kinking? Has anyone treid
>> filling them with sand?
> Abetter bet than sand to pack the inside of the tube is salt. You can then
>just pour hot water down the tube to get out any salt left inside after the
>bend is finished.
Not with chrome-moly or stainless unless you'd like a handful of
chloride-induced stress cracking in a bit. Chlorides and
chrome bearing steels are a no-no. Besides sand washes out just as
well as salt would.