aisi tubes and nominal pressure

[robertobacci]

I do not find tables that relate the diameter and thickness of the pipe and the pn . in the specific a tube aisi 304 dn100 sp 2 mm can be considered pn16 ? the use and for conductures of industrial water with maximum pressure of 10 bar
greetings
roberto kisses

 

[meccanicamg]

hi robertobacci, it would be good to give you catalogs from your suppliers and possibly check on some manual. the indications of the pipes can be found on the site of the opposite. then counters with the various types. Moreover the pn from the dn have different characteristics on materials and resistances. advice for the same application the use of suitable mechanical characteristics.

 

[numero1]

aisi 304 is the American name, but practically international, which indicates the material, or rather the chemical composition of the artifact in question see:
http://it.wikipedia.org/wiki/acciaio_inossidabileIt is obvious that at the same material a tube with a thickness of 10 mm will resist a + high pressure of one with 2 mm.
the game is precisely this stay in the best range between safety and costs.
the pn is important indeed fundamental for valve seals and especially flanges.
for a tube is very + important the so-called schedula.

and then 10 bar is the operating or project pressure?
the latter is always + high to always oversize the plant or the material, for safety reasons.

Hi.