49 C.F.R. § 192.115 Temperature derating factor (T ) for steel pipe.
Title 49 - Transportation
The temperature derating factor to be used in the design formula in §192.105 is determined as follows: For intermediate gas temperatures, the derating factor is determined by interpolation. [35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192–85, 63 FR 37502, July 13, 1998]
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart C—Pipe Design
§ 192.115 Temperature derating factor (
------------------------------------------------------------------------ Temperature Gas temperature in degrees Fahrenheit (Celsius) derating factor (T)------------------------------------------------------------------------250 °F (121 °C) or less............................ 1.000300 °F (149 °C).................................... 0.967350 °F (177 °C).................................... 0.933400 °F (204 °C).................................... 0.900450 °F (232 °C).................................... 0.867------------------------------------------------------------------------
