On Wed, 12 Feb 2014 15:49:00 -0800 (PST), wrote:

I have a yellow WWII aluminum tank like you describe. My pop used it from 1940's until he passed away in 2001. I inherited it and used it since. I just bought a new Porter Cable compressor that pumps up to 150 psi. That is about 25 psi higher than dad or I either one ever used before so I was logging in to see if the rating 200 psi or so.

Dad later used a hot water tank for years and that was a real big improvement for volume. I too agree recycling is fine and do not believe that there is any issue as long as one uses equipment within design perimeters.

I far prefer a USA made WWII aluminum tank to an new steel one from China any day of the week. Let's see how many Chinese tanks made from old car bumpers are still around in 70 years like my WWII Oxygen tank. So the fellow below alarmed at this thought can take his new Chinese tank and I'll use my USA WWII bomber tank and we will both be happy.

Just be sure to install a pressure relief valve as someone stated below (always do that on any tank) so if there is a fire, the tank does not explode. The relief valve must be connected such that there is never a valve between the tank and the relief valve.

Best of luck.
I use a 30 pund propane tank as the primary reiever for my G-D 2CFM
compressoor. I removed the original valve and used the 3/4" NPT
opening as inlet, outlet and drain by mouting the tank upside down. It
cost me $3 for the compressor, 50 cents for the 1/2 HP motor and $70
for the safety valve, pressure switch and check valve. I have a
filter/pressure regulator fed, inverted 20 pound tank for regulated
source use and several 20 pound tanks for extra storage capacity/air
pigs.
Have I metioned how good it is to have compressed air available for
brad nailer, impact wrench,die grinder, spot sand blaster, needle
scaler, blow gun, etc.,etc.,etc.?

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Gerry :-)}
London,Canada