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First, why is it going to rust? Dry air dose not rust tanks to any degree you need to concern yourself with. Don't try to fix a problem by making 10 more. Use dry air, no problems. Paul Komrowski -----Original Message----- From: Donald S. Shoemaker [mailto:shoeclan@gt*.ne*] Sent: Saturday, June 02, 2001 4:01 PM To: Techdiver@Aquanaut.Com Subject: Re: Steel cylinder internal rust Perhaps someone could clear up a rumor/myth I've heard. Is it true that the inside of a steel tank can be swabbed or coated with oxygen compatible grease to prevent rust? Thanks, Don ----- Original Message ----- From: "Matthias Voss" <mat.voss@t-*.de*> To: "Jim Cobb" <cobber@ci*.co*> Cc: "Mantis Diving" <dive@ma*.co*.au*>; "Techdiver@Aquanaut.Com" <techdiver@aquanaut.com> Sent: Saturday, June 02, 2001 9:46 AM Subject: Re: Steel cylinder internal rust > Depends on the nature of the rust. Has it been on the surface only, or > bitten deeply into the structure ? > The nature of corrosion depends a bit on the steel alloy and process of > manufacturing. > > A clean surface after the acid cleaning should not have weakened > crossections. > This can be inspected optically, in doubt by ultrasonic. May be more > costly than a new bottle. > Matthias -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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