How much pressure can copper pipes hold?

Copper tubing has various wall thicknesses K, L , M, TP
= So it would depend on which type of "copper" lines your talking about same as comparing a Subaru Loyal to a WRX = Are you also asking cold water working pressure or hot water? = When in doubt contact the CDA charts and what type of filler metal soft solder or brazing (see AWS) or compression or flair or double flair soft or hard copper. Drawn or Annealed. The piping diameter also has to be known, very important factor.
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== You can ANSI B31 to do it mathematically once you decide which copper piping your talking about =
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