Steel vs Aluminum - Pensacola Fishing Forum

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Old 01-14-2012, 07:15 PM   #1
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Default Steel vs Aluminum

I have 2 aluminum 100 cf that are great but found some steel tanks for sale also. Are there any great advantages to steel vs aluminum other than not having to carry weight in my bc.
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Old 01-14-2012, 07:40 PM   #2
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You still have to carry weight just not so much. The main difference is when gas in the tank is being used the steel buoyancy doesn't change as much as the Aluminum tanks. However it does get lighter when emptying. It come down to what you get use to. With either one you still have to adjust your buoyancy for whatever conditions are changing.
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Old 01-14-2012, 07:56 PM   #3
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I have the catalina 100 they dont near as positive buonyancy than other 80cf aluminum tanks do. I would love to have one more to complete a set to cover a day of diving. If anyone has any large capacity tanks for sale let me know in pm.

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Old 01-14-2012, 08:34 PM   #4
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I dive low pressure steel 95's with an aluminum backplate .....2 pc 3mil or single 5 mil .....no weights , even with a 7 mil hood! .....only need an 18lb wing to boot. Only time I have to hassle with weights is when I go dry.
Steel 95's are the way to go....just make sure you get the low pressure tanks...that way they are full at 2400psi, instead of having to get them up to 3500. You will consistently get better fills and its lower stress on your gear as well. .....many shops will fill them to near 3k .....you will not find many shops that will give you a + fill on the hp tanks.
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Old 01-14-2012, 09:36 PM   #5
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I'm a bigger guy and it takes about 20 lbs to sink me... I would still have to wear weights even with steel tanks. MBT does a great job of getting close to 3300psi on those AL100's
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Old 01-15-2012, 05:52 AM   #6
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Been using LP steel 85s for many years fill them myself to 3200 usually cool to 3100 that puts about 100 cu ft never had a problem with steel tanks love them more expensive than AL but worth it to me anyway..
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Old 01-15-2012, 10:07 PM   #7
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I'll never own another aluminum.

HP steel mixed sizes; 120 for me 80 for wife and 60 for the kid
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