Or are you lobbying for a fire breathing dragon park in your neighborhood like I am?Since Winkie is just a baby I've been slapped with 4 law suits because all he wants to do is play with the dogs he doesn't mean to scorch them.
Test you hamster hearing, Whistle a real high pitch whistle, but not loud, at first Start soft.. then get a little louder You hamster should respond to a Medium low whistle, medium is ok. Watch you hamsters ears. They should respond by moving. If you hamster doesn't respond to the medium - high or higher, take him to a vet to check.
Most High pressure compressed gas tanks are of seamless construction (forged from one piece of metal), of high quality materials, produced under carefully controlled conditions and fully tested. Most common pipe has a welded seam, and if you screwed on the caps, that would mean you are using threaded pipe and cutting the threads reduces the strength. High quality seamless pipe with suitable welded fittings could potentially have a working pressure in the thousands of PSI, but that is different than what you seem to be asking about.
if you notice cylinders are round. Completely, on the top and bottom. It is by using this cylindrical shape and also the density of the steel that makes it capable of withstanding such pressure.