The longitudinal joint factor to be used in the design formula in Sec. 192.105 is determined in accordance with the following table: ------------------------------------------------------------------------
Longitudinal
Specification Pipe class joint factor (E)------------------------------------------------------------------------ASTM A 53/A53M................. Seamless............ 1.00
Electric resistance 1.00
welded.
Furnace butt welded. .60ASTM A 106..................... Seamless............ 1.00ASTM A 333/A 333M.............. Seamless............ 1.00
Electric resistance 1.00
welded.ASTM A 381..................... Double submerged arc 1.00
welded.ASTM A 671..................... Electric-fusion- 1.00
welded.ASTM A 672..................... Electric-fusion- 1.00
welded.ASTM A 691..................... Electric-fusion- 1.00
welded.API Spec 5L.................... Seamless............ 1.00
Electric resistance 1.00
welded.
Electric flash 1.00
welded.
Submerged arc welded 1.00
Furnace butt welded. .60Other.......................... Pipe over 4 inches .80
(102 millimeters).Other.......................... Pipe 4 inches (102 .60
millimeters) or
less.------------------------------------------------------------------------ If the type of longitudinal joint cannot be determined, the joint factor to be used must not exceed that designated for ``Other.'' [Amdt. 192-37, 46 FR 10159, Feb. 2, 1981, as amended by Amdt. 192-51, 51 FR 15335, Apr. 23, 1986; Amdt. 192-62, 54 FR 5627, Feb. 6, 1989; 58 FR 14521, Mar. 18, 1993; Amdt. 192-85, 63 FR 37502, July 13, 1998; Amdt. 192-94, 69 FR 32894, June 14, 2004; Amdt. 192-119, 80 FR 180, Jan. 5, 2015]