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Old 04-06-2010, 03:39 PM   #1
Mose
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Default Aluminum v Steel Co2 tank?

One of the guys with the local brew club let me in on a deal which landed me a couple Sanke taps, a Perlick faucet, reg and 20# CO2 tank. I could choose between steel tank or aluminum. I took the steel, but didn't look real close at the aluminium one.

Just a thought but is there any difference or benefit to one over the other? I don't think it's really a big deal but thought I would ask.

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Old 04-06-2010, 03:41 PM   #2
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Weight is the biggest thing I can think of.

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Old 04-06-2010, 03:43 PM   #3
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the aluminum one was probably lighter. if memory serves the steel one is stronger.

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Old 04-06-2010, 03:45 PM   #4
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The advantage to the Aluminum tank is it's light weight and it won't rust. Being in a moist environment left a rust ring on the bottom of my Kegerator. If your tank is on the outside and not getting moisture on it, then it shouldn't matter much. Also, having worked in the SCUBA world for awhile, an aluminum tank doesn't rust on the inside like a steel tank can.

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Old 04-06-2010, 03:57 PM   #5
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Never thought about the internal rust issue. I've done some Scuba and it seemed people always liked the steel tanks, but I think that was mostly for bouancy control.

He doesn't need either one so I could probably switch it out without a problem. Thanks for the input.

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Old 04-07-2010, 01:15 AM   #6
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The aluminum cylinder is worth a bit more but i am a fan of steel cylinders. If i was to store my cylinder inside the refrigerator...I would definately pick the AL one. The only reason I like steel is because I once saw someone who had a steel one with its first test date being 1930 something!

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Old 04-07-2010, 02:51 AM   #7
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It will likely go in the fridge at least for awhile. All tings being pretty equal, I sent my buddy an email to see if I could grab the aluminum tank. The plus is the AL is still in Hydro for another year. 20# will go a long way.

Thanks

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Old 04-07-2010, 07:24 AM   #8
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My bottles (54 total) 150 cu/ft Nitrogen for stouts as well most of the rest in 250 Helium, 215 Oxygen, 260 Argon and 260 C-25 for Mig are all stamped 3AA dated 30's and 40's by the Linde Gas Bottle Company. These all came from Germany during the Hitler era with the Swastika restamped into a full square to be "PC". (screwed up their history markings JMO). These history bottles being all 3AA stamped still pass hydro allowing +10% overcharges. Thicker steel than newer bottles plus their history hence refills only no exchanges. One 300 cu/ft bottle has 1927 date a 3AA still takes +10% fills. On Co2 in 20#'s and 50# steel only. I can deal with free bottles with extra weight vs aluminum, they sit outside the keezer. My 1951 72 dive bottle still passes hydros starting on the 4th row of stampings a hand me down from dad, priceless to me. I agree by the above reply on aluminum with diving, sucked with the boyancy I traded a free 8 month from new 100 bottle for older steel twin 50's that became singles. Just don't let a steel C02 go empty and sit hot and cold sucking in moisture creating carbonic acid eating away the steel inside, this is a slow normal process why speed it up? Old and steel here.

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Last edited by BrewBeemer; 04-07-2010 at 07:28 AM.
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