On Feb 4, 2008, at 12:02 PM, M. Engineer wrote:
> TP intended for such use as boiler, superheater,
> heat exchanger, or condenser tubes.
I think that'll be 3 different answers. Fair to note in this case
that the TP designation doesn't occur with carbon or low alloy steel
tubes.
BTW I think I know the answer and I also think that it's of
absolutely no help to anyone, but let's see how many others think so,
too.
Also--when the subject is piping design, material specifications are correctly expressed SA-312 gr TPxxxx, not A312. Doing it the right way may keep you from getting the wrong amterial from a supplier.
Christopher Wright P.E. |"They couldn't hit an elephant at chrisw@skypoint.com | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania1864)
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